Ask an Agronomist

Get Your Agronomic Questions Answered

Farm Journal Agronomists — Thu, 18 Feb 2010 11:40:00 GMT

Farm Journal agronomists are ready to help you take yields to the next level

How to Check Your Down Pressure

Farm Journal Agronomists — Mon, 05 Apr 2010 15:43:00 GMT

Farmers need to know that not using the correct amount of pressure has its setbacks.

Can an N inhibitor replace a sidedressing application?

Farm Journal Agronomists — Thu, 25 Feb 2010 09:33:00 GMT

An Indiana farmer is worried about the tight time frame to sidedress.

How Should We Handle Stalks this Year?

Farm Journal Agronomists — Fri, 07 May 2010 16:49:00 GMT

With last year's late harvest and the good traits of corn hybrids, what are we to do with the stalks?

Rolling Soybeans after Emergence

Farm Journal Agronomists — Mon, 07 Jun 2010 11:14:00 GMT

The pros and cons of rolling soybeans following emergence are briefly addressed, along with the best time-of-day to implement this practice.

Manure Versus Commercial Fertilizers

Farm Journal Agronomists — Sat, 15 May 2010 09:36:00 GMT

Cow manure helps boost crop yields on this farmer's fields. He asks. "How do I achieve similar results with commercial fertilizers?"

Liquid Versus Dry Fertilizer Use

Farm Journal Agronomists — Mon, 17 May 2010 19:12:00 GMT

This farmer questions whether using one type over the other can impact yield outcome.

Agronomists Shed Light on Compaction from Central-fill Planters

Farm Journal Agronomists — Wed, 26 May 2010 17:26:00 GMT

One farmer is considering a switch to central-fill planters, but is worried about the heavy weight machine causing compaction.

Evaluate Soil pH and Buffer pH To Determine Lime Needs

Farm Journal Agronomists — Thu, 20 May 2010 17:54:00 GMT

Water pH and buffer pH levels can indicate whether you have residual acidity that needs to be neutralized.

Could the N in manure be lower quality?

Farm Journal Agronomists — Tue, 23 Feb 2010 16:36:00 GMT

A dairy farmer from Wisconsin asks why when he applies manure to corn stalks in corn-on-corn, the next spring the corn still looks yellow and sickly.

How Do I Know If I Have Nematodes?

Farm Journal Agronomists — Mon, 28 Jun 2010 22:36:00 GMT

The nematode problem is getting bigger across the Corn Belt, and it's important to know the nematode populations out in your fields.

Corn Rootworms Like Hot, Dry Weather

Farm Journal Agronomists — Mon, 21 Jun 2010 15:46:00 GMT

With the wet weather much of the Midwest has experienced this spring, a reader asks whether he should be concerned about corn rootworm problems.

This Farmer Asks How To Prevent White Mold In Soybeans

Farm Journal Agronomists — Fri, 09 Jul 2010 16:38:00 GMT

White mold caused significant soybean yield losses for some farmers in 2009, and many are asking how to address the disease this season before it has the opportunity to impact yields.

Striping in corn may indicate a nutrient deficiency

Farm Journal Agronomists — Fri, 18 Jun 2010 09:41:00 GMT

Nutrient deficiencies can be confused with herbicide injury and are yield limiting.

Speed Up The Scouting Process For Soybean Aphids

Farm Journal Agronomists — Thu, 22 Jul 2010 18:06:00 GMT

Soybean aphid management is a scout and treat issue.

High Winds Snap Susceptible Corn Stalks

Farm Journal Agronomists — Sun, 01 Aug 2010 10:37:00 GMT

Corn that is rapidly growing is most at risk.

Will Replanted Corn Make it to Maturity?

Farm Journal Agronomists — Tue, 10 Aug 2010 09:29:00 GMT

Should I Chop Flooded Corn Stalks?

Farm Journal Agronomists — Fri, 13 Aug 2010 12:55:00 GMT

This readers worries whether flooded corn will contain harmful nitrates.

Sudden Death Syndrome Affects 2010 Soybean Crop

Farm Journal Agronomists — Wed, 18 Aug 2010 08:06:00 GMT

This grower asks what Sudden Death Syndrome is and what can be done to correct it this season.

What Causes Corn Ear Tip Back?

Farm Journal Agronomists — Fri, 20 Aug 2010 19:50:00 GMT

This year, many farmers are seeing corn with ear tips that have not completed kernel fill.

What Is Corn Ear Tip Back?

Farm Journal Agronomists — Fri, 20 Aug 2010 19:52:00 GMT

Many farmers this year are seeing corn ears with tips that have not completed kernel fill.

How do I address pinch-row compaction in my fields?

Farm Journal Agronomists — Thu, 26 Aug 2010 10:44:00 GMT

A wet spring along with the increased use of heavy equipment are resulting in more compaction in farmers' fields. Implement a tillage plan to address this problem after harvest.

How Well Do Seed Firmers Work?

Farm Journal Agronomists — Tue, 31 Aug 2010 08:33:00 GMT

Seed firmers help ensure good seed-to-soil contact at planting. They also can help farmers achieve uniform planting depth.

Curved Ears Indicate Insufficient Nitrogen

Farm Journal Agronomists — Thu, 02 Sep 2010 07:43:00 GMT

This season, farmers are finding curved ears, also called banana ears, in their fields.

How Do I Select A Tire That Won't Contribute To Compaction?

Farm Journal Agronomists — Tue, 07 Sep 2010 13:27:00 GMT

Tires can improve compaction issues or contribute to them.

Know How Your Corn Hybrid Utilizes Nitrogen

Farm Journal Agronomists — Fri, 10 Sep 2010 13:22:00 GMT

Know how your corn hybrid uses nitrogen for good performance.

Farmers See Abnormal Corn Ear Development This Year

Farm Journal Agronomists — Tue, 14 Sep 2010 16:17:00 GMT

Farmers saw bent, twisted and unfilled corn ears this year due to a variety of problems.

How Much Potash Is Needed To Replenish An Alfalfa Stand?

Farm Journal Agronomists — Fri, 17 Sep 2010 15:30:00 GMT

This posting addresses the amount of potash to replenish an alfalfa stand.

What Is The Best Moisture Level For Harvesting Corn?

Farm Journal Agronomists — Mon, 20 Sep 2010 11:35:00 GMT

Don't let the two past years dictate when you harvest corn this season.

Consider Corn Moisture Levels

Farm Journal Agronomists — Wed, 22 Sep 2010 09:02:00 GMT

Penn State crop specialist provides input on corn moisture levels.

You Can Address Marestail Control This Fall

Farm Journal Agronomists — Fri, 24 Sep 2010 08:31:00 GMT

Marestail can be effectively controlled in the fall.

Factors That Impact Alfalfa Reseeding Success

Farm Journal Agronomists — Tue, 28 Sep 2010 08:14:00 GMT

Autotoxicity impacts alfalfa reseeding.

What Benefit Does Sizing Residue Provide?

Farm Journal Agronomists — Fri, 01 Oct 2010 15:21:00 GMT

Sizing residue is valuable to help manage corn residue effectively.

How Do I Address Foliar Diseases In Corn?

Farm Journal Agronomists — Tue, 05 Oct 2010 13:18:00 GMT

Foliar diseases can be addressed through hybrid selection.

How Soon Can I Plant After Applying NH3?

Farm Journal Agronomists — Fri, 08 Oct 2010 06:52:00 GMT

Planting into no-till after applying NH3.

How Can I Address Ruts This Fall

Farm Journal Agronomists — Mon, 11 Oct 2010 09:33:00 GMT

This column deals with how to address ruts created during tillage and spray applications.

Is It OK To Move Forward With Fall Nitrogen Applications?

Farm Journal Agronomists — Mon, 18 Oct 2010 07:10:00 GMT

Wait until soil temperatures are no higher than 50 to apply N.

Selecting Corn Hybrids For Optimum Performance

Farm Journal Agronomists — Mon, 25 Oct 2010 08:43:00 GMT

Six steps to effectively pick corn hybrids for your farm.

How Do I Distinguish Between Nutrient Deficiencies?

Farm Journal Agronomists — Thu, 28 Oct 2010 14:56:00 GMT

Nitrogen and Potassium deficiencies look similar. Don't mistake one for the other.

Check Your Stored Grain For Quality Control

Farm Journal Agronomists — Mon, 01 Nov 2010 16:14:00 GMT

Check your stored corn and soybeans to make sure the quality remains high.

Should I Use A Corn Fungicide?

Farm Journal Agronomists — Mon, 08 Nov 2010 12:24:00 GMT

Corn fungicides are getting used more frequently by farmers. This column addresses when to use them.

Use More Than One Chemistry For Weed Control

Farm Journal Agronomists — Fri, 12 Nov 2010 10:09:00 GMT

Use more than one chemistry for optimum weed control.

What Causes Uneven Spacings In Corn?

Farm Journal Agronomists — Mon, 15 Nov 2010 08:32:00 GMT

What Exactly Is The Value Of Potassium?

Farm Journal Agronomists — Fri, 19 Nov 2010 10:37:00 GMT

This column addresses the importance of adequate potassium to your corn crop.

Check Out This Wheat Head Scab Prediction Tool

Farm Journal Agronomists — Mon, 22 Nov 2010 10:34:00 GMT

A new on-line diagnostic tool is available to help farmers determine whether their wheat crop is infected by head scab.

How Much N Is In The Soil To Support My Corn Crop?

Farm Journal Agronomists — Mon, 29 Nov 2010 08:21:00 GMT

Between 30 percent and 70 percent of the nitrogen you need to grow a good corn crop is available in your soils.

What Kind Of Tillage Tool Will Break-Up Compaction The Best?

Farm Journal Agronomists — Fri, 03 Dec 2010 16:34:00 GMT

What kind of tillage tool breaks up compaction the best?

What Nutrients Do Soybeans Need To Produce Optimum Yields?

Farm Journal Agronomists — Tue, 07 Dec 2010 20:48:00 GMT

Proper soil pH between 6.5 and 6.8 is the foundation of a successful soybean crop. Phosphorus (P) and Potassium (K) levels will vary based on lab procedures and extraction methods.

Check Out These Planter Prep Tips

Farm Journal Agronomists — Fri, 10 Dec 2010 12:49:00 GMT

One of the things we encourage farmers to evaluate every year is the condition of their planter. Now is a good time to get it ready to run at peak performance, so you’re ready to roll once planting commences.

How Deep Does Manure Need To Be Incorporated?

Farm Journal Agronomists — Tue, 14 Dec 2010 14:15:00 GMT

The value of manure for nitrogen in soils.

How Can I Decide Whether A Soybean Seed Treatment Pays Off?

Farm Journal Agronomists — Fri, 17 Dec 2010 12:34:00 GMT

How do you determine whether a soybean seed treatment will pay for itself.

How Can I Address Sudden Death Syndrome In Soybeans?

Farm Journal Agronomists — Mon, 20 Dec 2010 13:47:00 GMT

Sudden death syndrome (SDS) was fairly widespread this past year, but losses varied depending on the severity within fields. Some states, like Illinois, had fairly limited outbreaks while others, such as Ohio, had quite a bit of it throughout the state. SDS tended to strike in fields that were wet and stayed wet and in fields planted earlier than normal.

Can Narrow Rows Yield More Corn?

Farm Journal Agronomists — Mon, 27 Dec 2010 08:41:00 GMT

Narrow rows can be a good agronomic decision under the right situation.

How Much Nitrogen Availability Is There From Manure

Farm Journal Agronomists — Fri, 31 Dec 2010 07:57:00 GMT

How much nitrogen is available from manure?

Do Soybeans Need Potash As Much As Corn?

Farm Journal Agronomists — Mon, 03 Jan 2011 07:44:00 GMT

Soybeans do need a significant amount of potash to perform well.

Is There Any Benefit To Applying Fungicide To V5 Corn?

Farm Journal Agronomists — Sat, 08 Jan 2011 10:15:00 GMT

Are there any positive responses from fungicide when applied to V5 corn?

Will My Upgraded Planter Improve Yield Results?

Farm Journal Agronomists — Tue, 18 Jan 2011 15:33:00 GMT

I am looking to upgrade my planter. My average corn yield is 175 bu/A. How much yield gain can I expect from better seed placement?

How Do I Access Available Phosphorus

Farm Journal Agronomists — Fri, 21 Jan 2011 15:28:00 GMT

This column discusses the use of bray 1 and bray 2 tests.

How Much Sulfur Should I Apply To Corn-on-Corn?

Farm Journal Agronomists — Tue, 25 Jan 2011 17:50:00 GMT

Sulfur needs in a corn-on-corn rotation.

Are There Differences In Nitrogen Inhibitors?

Farm Journal Agronomists — Mon, 31 Jan 2011 10:47:00 GMT

This column discusses the three different types of nitrogen inhibitors.

Why Should I Care About Lime Quality?

Farm Journal Agronomists — Mon, 07 Feb 2011 19:02:00 GMT

Lime quality does make a difference in what you apply on your fields. Costs can differ, too.

How Much Boron Should I Use?

Farm Journal Agronomists — Fri, 11 Feb 2011 13:03:00 GMT

Topic addresses boron use on corn and cotton ground in rotation.

Where Can I Locate Agrostis Vulgaris Grass Seed?

Farm Journal Agronomists — Mon, 14 Feb 2011 09:07:00 GMT

This Massachusetts farmer wants to use this seed for rotational purposes.

What Control Options Are There For Corn Rootworms?

Farm Journal Agronomists — Fri, 18 Feb 2011 08:01:00 GMT

Soil-applied insecticides are still a control option.

Can I Improve My Soil Organic Matter?

Farm Journal Agronomists — Wed, 23 Feb 2011 07:13:00 GMT

Steps to improve soil organic matter.

What Advice Can You Offer On Growing Wheat?

Farm Journal Agronomists — Fri, 25 Feb 2011 15:38:00 GMT

There are some fairly simple things growers can do to improve the success of their wheat crop.

What Can I Expect From Green Seeker For Variable-Rate Nitrogen?

Farm Journal Agronomists — Tue, 01 Mar 2011 12:21:00 GMT

variable rate nitrogen with green seeker.

How Do I Get The Most From My Potash Application?

Farm Journal Agronomists — Fri, 04 Mar 2011 16:16:00 GMT

Potash application

Do You Recommend Applying Fungicides On Wheat At Green-Up?

Farm Journal Agronomists — Mon, 14 Mar 2011 08:02:00 GMT

Blog addresses when to apply fungicides for disease prevention and control.

What Can You Tell Me About APSA 80?

Farm Journal Agronomists — Thu, 17 Mar 2011 12:04:00 GMT

What Can You Tell Me About APSA 80?

How Can We Make Cornstalks Break Down?

Farm Journal Agronomists — Mon, 21 Mar 2011 15:31:00 GMT

Agronomic practices can help improve farmers' ability to get corn stalks to break down.

How Can I Prevent Wheat From Lodging?

Farm Journal Agronomists — Thu, 24 Mar 2011 08:27:00 GMT

Steps to prevent lodging in wheat.

How Do I Know The Nitrogen Cycle Is Working In My Fields?

Farm Journal Agronomists — Fri, 01 Apr 2011 08:13:00 GMT

Corn fields can benefit from the nitrogen cycle.

What Kind Of Yield Response Can I Expect From Corn Fungicides?

Farm Journal Agronomists — Tue, 05 Apr 2011 16:39:00 GMT

Yield response varies by hybrid and time of application.

How Can I Prep My Planter For Planting Season?

Farm Journal Agronomists — Fri, 08 Apr 2011 17:31:00 GMT

There are specific steps you can take to prep your corn planter for spring planting.

Would You Recommend Starter Fertilizer This Year?

Farm Journal Agronomists — Tue, 12 Apr 2011 13:56:00 GMT

Starter fertilizer test plots indicate farmers will see a 7 bu. to 10 bu. per acre average response in corn.

What Advice Do You Have For Late Soybean Planting?

Farm Journal Agronomists — Fri, 15 Apr 2011 13:51:00 GMT

Agronomists encourage farmers to boost plant popultions in soybeans when planting late.

How Can I Eliminate "Doubles" When I Plant Corn?

Farm Journal Agronomists — Mon, 18 Apr 2011 08:27:00 GMT

Dan Anderson provides some recommendations to minimize the potential for double seed placement.

How I pick the correct closing wheels?

Farm Journal Agronomists — Fri, 22 Apr 2011 11:04:00 GMT

The closing assembly’s job is to make sure every seed has uniform contact with the soil and to firm the soil enough to keep the seed environment from drying out and the plants emerge uniformly.

How Do I Minimize Tie-Up of Nitrogen In Corn-On-Corn?

Farm Journal Agronomists — Mon, 25 Apr 2011 08:26:00 GMT

Depending on what part of the country you are located in the issue of residue breakdown may vary. In general, growing corn on corn from the mid-U.S. to the north. residue break down is slower due to cool temperatures.

What Are Your Thoughts On Spiked Closing Wheels?

Farm Journal Agronomists — Thu, 28 Apr 2011 10:15:00 GMT

Farmers are having difficulty managing stalks in corn-on-corn, and this farmer asks whether spiked closing wheels can help.

How Can I Effectively Dual-Apply Anhydrous Ammonia Preplant?

Farm Journal Agronomists — Mon, 02 May 2011 09:59:00 GMT

This blog addresses the use of N-serve to help maintain the viability of anhydrous ammonia applications.

Will Corn Totally Under Water Survive?

Farm Journal Agronomists — Wed, 04 May 2011 10:49:00 GMT

This blog addresses the impact of corn that has been submerged under water--how its growth is impacted.

How To Set Down Pressure in a Wet Spring

Farm Journal Agronomists — Fri, 06 May 2011 11:48:00 GMT

Setting down pressure correctly often demands walking a fine line and making on-the-go decisions.

What Is Your Opinion On Vertical Tillage?

Farm Journal Agronomists — Fri, 13 May 2011 06:47:00 GMT

This blog addresses a question a farmer asks about whether vertical tillage create density layers.

How Much Of My Nitrogen Is Still Available For Use?

Farm Journal Agronomists — Mon, 16 May 2011 15:26:00 GMT

Farmers are facing nitrogen loss this spring because of the extended rainfall.

Should I Include Sulfur For Soybeans Or Only For Corn?

Farm Journal Agronomists — Fri, 20 May 2011 21:01:00 GMT

The question deals with is sulfur good to include in a rotation on years that soybeans are planted; or, should it be used only in years when corn is planted.

Would Placing Fertilizer In The Row Be Good For Soybeans?

Farm Journal Agronomists — Tue, 24 May 2011 08:00:00 GMT

This farmer asks whether there is a benefit to placing starter fertilizer in the row when planting soybeeans.

Have You Tested This Foliar Fertilizer Tool?

Farm Journal Agronomists — Tue, 31 May 2011 09:15:00 GMT

This blog deals with a foliar fertilizer tool that a farmer is interested in using

How Do I Address Sulfur Needs In Corn?

Farm Journal Agronomists — Fri, 03 Jun 2011 15:23:00 GMT

This farmer is concerned about the various conflicting information he reads about sulfur needs in corn.

How Can I Tell If I Have Down Pressure Issues With My Planter?

Farm Journal Agronomists — Tue, 07 Jun 2011 16:36:00 GMT

This blog addresses how farmers can evaluate their corn crop early in the season to determine how well they planted it and whether down pressure was a problem.

Is It Too Late To Replant Corn?

Farm Journal Agronomists — Sun, 12 Jun 2011 18:02:00 GMT

There are three considerations that Bob Nielsen, Purdue University corn specialist, shares for farmers' consideration before replanting this late.

What Causes Poor Corn Spacing?

Farm Journal Agronomists — Fri, 17 Jun 2011 08:00:00 GMT

After the corn emerges, there are simple ways to determine the causes of problematic plant spacings. For instance, a double occurs when the planter meter picks up two seeds and drops two at the same time. In the field, you can tell whether this is what occurred when it looks like you have good uniform spacing on either side of the two plants that are too close together. However, a misplaced seed looks different from a double.

What Can I Do To Prevent Frogeye Leaf Spot?

Farm Journal Agronomists — Mon, 20 Jun 2011 18:50:00 GMT

Cool, wet conditions and early planting can set the stage for seedling diseases and for frogeye leaf spot. Fortunately, it’s becoming less of a threat in the Midwest as growers adopt resistant varieties.

Isn't It Too Early For Soybean Aphids?

Farm Journal Agronomists — Fri, 24 Jun 2011 08:58:00 GMT

Farmers are seeing and reporting soybean aphid populations earlier than usual this season.

What Impact Will Excess Moisture Have On My Corn Yields?

Farm Journal Agronomists — Tue, 28 Jun 2011 14:14:00 GMT

Just how much yield a farmer can expect to lose is hard to say without seeing the crop in the field. When corn is in the 4-5 leaf stage with this kind of water, experience shows that its survival and quality of survival will depend on the farmers' current air-soil temperatures.

What Are Growing Degree Days?

Farm Journal Agronomists — Thu, 30 Jun 2011 08:50:00 GMT

Growing degree day information can help farmers project the development and maturity of their corn hybrids.

What Can I Do To Improve My Seed Corn Germination?

Farm Journal Agronomists — Tue, 05 Jul 2011 20:26:00 GMT

There are four different germination tests that farmers can utilize.

Which Is Better: Flat or Round Seed Corn?

Farm Journal Agronomists — Thu, 07 Jul 2011 12:20:00 GMT

This post addresses the fact that high-yielding genetics are high-yielding genetics, regardless of the seed shape.

How Can I Estimate Corn Yield Potential?

Farm Journal Agronomists — Tue, 12 Jul 2011 20:07:00 GMT

There is a simple formula that farmers can use to estimate their corn yield potential.

When weather turns dry, do corn roots stop trying to find moisture?

Farm Journal Agronomists — Mon, 18 Jul 2011 15:42:00 GMT

If there’s no obstruction to the corn roots – no compaction and no horizontal layer – corn roots will grow and move down until they reach the water table. The roots will continue to grow as long as they have access to water and oxygen.

What Is the Correct Phosphorus-Zinc Ratio?

Farm Journal Agronomists — Thu, 21 Jul 2011 11:07:00 GMT

The correct phosphorus - zinc ratio is commonly a ratio of 20 to 1.

How Much Attention Should I Pay To Micronutrients?

Farm Journal Agronomists — Mon, 25 Jul 2011 15:50:00 GMT

As farmers work to boost corn yields in the years ahead, they will need to pay more attention to the micronutrients their soils need.

What Is the Value of Staging Soybean Growth?

Farm Journal Agronomists — Mon, 01 Aug 2011 16:50:00 GMT

Staging soybeans provides farmers with an idea of what to expect from soybean yields at harvest and also how to evaluate their ability to handle stress.

What Caused My Corn Ear Tips To Not Completely Fill?

Farm Journal Agronomists — Fri, 05 Aug 2011 08:35:00 GMT

High temperatures and also nutrient deficiencies can contribute to poor kernel fill.

What Is Goss's Wilt?

Farm Journal Agronomists — Mon, 08 Aug 2011 18:24:00 GMT

Goss's Wilt is a bacterial disease in corn. Once infected, the symptoms move rapidly. Large tan to gray lesions that run lengthwise on the leaves with dark flecks or freckles are typical. Lesions may appear shiny in sunlight due to bacteria oozing on the leaf surface. Plant wilt can also be a symptom because the bacteria infect and effectively clog the xylem in the plant. On wilted plants, splitting the stalk may show dark streaking of the vascular tissue.

How Useful Is Test Plot Information?

Farm Journal Agronomists — Thu, 11 Aug 2011 12:44:00 GMT

Show plot results may be meaningless. Actual test plots are another matter, and they do deserve your consideration. These are plots that are able to help guide your seed choices for the next year.

What Can We Do To Control Japanese Beetles?

Farm Journal Agronomists — Mon, 15 Aug 2011 16:22:00 GMT

Japanese beetles are a problem in corn and soybeans this year. Farmers need information on control measures in both crops.

Where Can I Learn To Calibrate A Yield Monitor?

Farm Journal Agronomists — Fri, 19 Aug 2011 19:27:00 GMT

A calibrated yield monitor is unbeatable. It’s one of the most valuable tools for a farmer. In 2010, farmers were reporting 100 bu. swings through the field, and we can’t have that when we’re calibrating. The following article was written by Robert Nielsen, Extension corn specialist at Purdue University, and provides a detailed overview of the value of yield monitors and how to calibrate one.

Do You Have Soybean Aphids?

Farm Journal Agronomists — Tue, 23 Aug 2011 16:14:00 GMT

Late-planted soybeans may be under siege from soybean aphids this August.

What Causes Corn Leaves To Turn Purple?

Farm Journal Agronomists — Tue, 30 Aug 2011 10:36:00 GMT

Soil pH is key to phosphorus availability because if soil pH is too high or too low, the nutrient will not be available to the plant.

Why Do I Need More Sulfur?

Farm Journal Agronomists — Tue, 06 Sep 2011 07:47:00 GMT

Higher yields we’re seeing today require more sulfur, and there’s not as much available. Reasons: the old single superphosphate your grandpa used contained 12% sulfur, plus today’s pesticides contain less sulfur. We also don’t burn crop residue anymore, which released sulfur into the atmosphere.

Purpling in Corn Caused by Pigment

Farm Journal Agronomists — Mon, 12 Sep 2011 09:21:00 GMT

Dr. John Pesek, Iowa State University emeritus professor of agronomy, shares his thoughts on the issue of corn leaves turning purple.

We've Had a Frost -- Now What?

Farm Journal Agronomists — Fri, 16 Sep 2011 09:55:00 GMT

Corn is killed when temperatures are near 32 F for a few hours, and when temperatures are near 28 F for a few minutes. A damaging frost can occur when temperatures are slightly above 32 F and conditions are optimum for rapid heat loss from the leaves to the atmosphere, such as clear skies, low humidity, no wind.

What Can I Do to Control Marestail?

Farm Journal Agronomists — Mon, 19 Sep 2011 11:30:00 GMT

It is best to control marestail in the late fall or early spring.

What Do You Consider When Selecting Wheat Varieties?

Farm Journal Agronomists — Thu, 22 Sep 2011 09:31:00 GMT

There is no substitute for evaluating varieties on your own farm. Review local and state wheat variety performance data and compare the results with your own experience to select three high-yielding varieties with the characteristics which suit your soils, climate and management style. In addition, I strongly encourage all producers to plant at least three recently released high-yield potential.

How Late Can I Leave Corn in the Field to Dry Down?

Farm Journal Agronomists — Tue, 27 Sep 2011 10:20:00 GMT

Farmers should think twice before expecting Mother Nature to pay the cost of drying corn by leaving it in the field longer this harvest.

What Can I Use This Fall to Control Winter Annuals?

Farm Journal Agronomists — Wed, 05 Oct 2011 09:08:00 GMT

Spray all winter annuals (broadleaves and grasses) in the fall. Waiting until spring frequently means the weeds have gotten too big and will have already reduced the yield.

How Does Tillage Help Water Be More Useful to Plants?

Farm Journal Agronomists — Fri, 07 Oct 2011 13:25:00 GMT

Tillage helps you manage water. For successful crop production, water must move up and down through the soil in a vertical format

Does Farm Tile Affect Nitrate Loss in Soils?

Farm Journal Agronomists — Tue, 11 Oct 2011 11:47:00 GMT

Tiling does impact nitrate movement. Where water goes, nitrate goes. You can look at the tile line, and there will be nitrate. The more water you move out of the field, the more nitrate you move.

Which Tillage Tool Breaks Up Compaction Best?

Farm Journal Agronomists — Mon, 17 Oct 2011 17:41:00 GMT

For a corn-soybean rotation, we typically are not concerned about burying a lot of residue, as we are in the case for corn-on-corn. We often use more aggressive tillage in corn-on-corn to rip up root balls and bury residue.

Can Chopping Cornstalks Reduce Toxins Before I Plant Wheat?

Farm Journal Agronomists — Thu, 20 Oct 2011 09:10:00 GMT

Toxins given off by corn residue are present as long as the residue is in the field. Once the corn stalks are decomposed, the toxins disappear.

How Do I Handle Moldy Corn?

Farm Journal Agronomists — Wed, 26 Oct 2011 09:12:00 GMT

If you’re in continuous corn, your fields have a higher risk of having mold or fungus if they’ve been infected before. If that’s your situation, you need to evaluate the susceptibility of the hybrids you plant to ear molds.

What Advantages Are There To Deep Tillage Or Vertical Tillage?

Farm Journal Agronomists — Thu, 27 Oct 2011 13:54:00 GMT

In a conventional farming set up, tillage can certainly help set the stage for a farmer's next corn crop.

What N Source Is Best For Sidedress Applications?

Farm Journal Agronomists — Mon, 31 Oct 2011 13:59:00 GMT

For sidedress application, farmers have a choice in what nitrogen product to apply. Many ask if there is an agronomic difference between 28% and anhydrous ammonia. At sidedress, as far as the plant’s uptake of the nitrogen, these products will both convert to nitrate for its uptake. The difference between these two is their timing for availability. So you’ll see a quicker response to 28%.

What Is An Acceptable Loss At Harvest

Farm Journal Agronomists — Thu, 03 Nov 2011 18:17:00 GMT

Farmers should aim to lose no more than 1 bushel per acre, as a general rule-of-thumb.

What Do I Do About These Cornstalks?

Farm Journal Agronomists — Mon, 07 Nov 2011 08:58:00 GMT

Traits designed to protect cornstalks do such a good job, they don’t break down over winter like we’d like for them to.

How Do I Place Starter Fertilizer Equipment on the Planter?

Farm Journal Agronomists — Fri, 11 Nov 2011 17:04:00 GMT

If you’re going to attach anything to the planter that will bring up moist soil in front of the depth wheels you need to keep those depth wheels clean with some type of scraper. In variable no-till conditions, that moist soil is a common issue. As you thought, your fertilizer application methods can indeed change your down pressure requirements when you’re adding any attachments to the row unit. You may want to consider purchasing some monitoring equipment.

What Do You Think About Sidedressing With Urea?

Farm Journal Agronomists — Tue, 15 Nov 2011 07:34:00 GMT

When we talk sidedressing with urea that’s typically done with a buggy or with an airplane. It’s rare to see someone knifing urea in as a sidedress application. I’m not saying it can’t be done but that it’s rare. Because you’re surface applying the urea you have to protect it from loss through volatility, meaning you need to either use a coated urea or you need to put a urease inhibitor down with the urea.

Does Gypsum Provide Any Real Benefit to Soils?

Farm Journal Agronomists — Fri, 18 Nov 2011 10:58:00 GMT

With gypsum, the soil structure becomes more sponge-like, so even tight clay soils readily absorb water and move it down through the soil profile, rather than allowing it to pond or run off, according to Ron Chamberlain, director of gypsum programs for Beneficial Reuse Management. The company sells a synthetic gypsum product, Gypsoil, for agricultural use. Synthetic gypsum is a byproduct of fossil-fueled power plants that work to remove sulfur dioxide from flue gases.

How Quickly Does Tile Pay For Itself?

Farm Journal Agronomists — Tue, 22 Nov 2011 16:35:00 GMT

Drainage tile typically pays for itself through increased yields within about five years of installation in farmland with drainage issues.

Will AMS Be There in the Spring If I Apply It Now?

Farm Journal Agronomists — Mon, 28 Nov 2011 17:07:00 GMT

In highly leachable soils, apply elemental sulfur in the fall, rather than sulfate, to prevent loss. In spring, use the sulfate form. Elemental sulfur may not become available quickly enough when applied in the spring.

How useful is manganese to soybeans?

Farm Journal Agronomists — Fri, 02 Dec 2011 17:13:00 GMT

We are seeing response vary by soil types. In sandy soils, the yield response has been smaller, and sometimes nonexistent.

Planter Prep Pays

Farm Journal Agronomists — Tue, 06 Dec 2011 10:29:00 GMT

Winter is a great time to get ready for the spring planting season, and prepping your planter adds money to your bottom line. A split-planter study by Pioneer Hi-Bred shows an average yield improvement of 4.2 bushels per acre when your planter is properly prepped for the field.

How Reliable Are Warm Germination Tests for Seed Corn?

Farm Journal Agronomists — Mon, 12 Dec 2011 20:10:00 GMT

Some seed corn can germinate and thrive in cold, wet spring soils. Some can’t. The challenge is to know, before you plant, which seed has a high enough germination rate to handle harsh weather conditions.

What Are Your Thoughts On Spiked Closing Wheels?

Farm Journal Agronomists — Sat, 17 Dec 2011 06:55:00 GMT

The spike closing wheels help the most when planting in wet conditions, reducing the amount of sidewall compaction.

How Can I Calibrate A Yield Monitor?

Farm Journal Agronomists — Mon, 19 Dec 2011 15:27:00 GMT

A poorly calibrated monitor can under-estimate high yields just as much as it over-estimates low yields, which means you could be pretty accurate on a whole field basis. Yield monitors generate a source of geo-referenced yield data that can enable growers to document the extent of spatial yield variability within fields. That’s what we’re after—spatial variability.

How Do I Minimize Nitrogen Tie-up in Corn on Corn?

Farm Journal Agronomists — Wed, 04 Jan 2012 06:44:00 GMT

Residue breakdown varies depending on what part of the country you are located in. In general, it is slower in corn on corn from the mid-U.S. to the North, due to cool temperatures. In the South, it is less of an issue, since warm temperatures help to break down the corn-on-corn residue.

Would you recommend starter fertilizer for corn?

Farm Journal Agronomists — Sun, 08 Jan 2012 13:57:00 GMT

Starter fertilizer can definitely help you gain more bushels in the field, but the response can and does vary year-to-year. In our test plots, on average, we’re seeing a 7 bu. to 10 bu. per acre response when we use starter.

What Is the Value of Aerial Imaging?

Farm Journal Agronomists — Fri, 13 Jan 2012 13:07:00 GMT

Aerial imaging, or Normalized Difference Vegetation Index (NDVI) mapping, can give you an in-season snapshot of your crop. Knowing the level of detail provided by the map will determine how you use the tool. NDVI is a good tool to use in developing management zones. Make sure you know what you want to learn from the maps before you take the plunge.

Is There Any Benefit to Tissue Tests in Wheat?

Farm Journal Agronomists — Wed, 18 Jan 2012 10:46:00 GMT

While soil testing is an important tool to determine soil nutrient levels and nutritional requirements, I use tissue tests to refine the soil tests further and make more accurate post-applied nutrient recommendations.

Is glyphosate a good weed control option prior to planting wheat?

Farm Journal Agronomists — Mon, 23 Jan 2012 11:41:00 GMT

A single, full-rate application of glyphosate prior to planting is still a sound, cheap weed control option in hard wheat.

What do you recommend about split nitrogen applications in winter wheat?

Farm Journal Agronomists — Mon, 30 Jan 2012 18:01:00 GMT

Split applications of nitrogen boost yields.

What Would Cause Corn Ears to Split?

Farm Journal Agronomists — Thu, 09 Feb 2012 08:32:00 GMT

There are only a couple of things I can think of that may have caused the problem.

Is It OK to Spread Ground-up Mesh on Pastures?

Farm Journal Agronomists — Mon, 13 Feb 2012 13:51:00 GMT

If you have been spreading ground-up plastic mesh from hay bales on your fields, you might want to reconsider this practice.

Where Can I Get the Planter Calibration Tool?

Farm Journal Agronomists — Mon, 05 Mar 2012 16:40:00 GMT

Now is a good time to be prepping your planter—if you haven’t started the process already.

How Important Is Tillage When It Comes to Bushels in the Bin?

Farm Journal Agronomists — Fri, 09 Mar 2012 17:15:00 GMT

Fixing the seed bed starts with primary tillage tools.

How To Identify Jointing State

Farm Journal Agronomists — Wed, 21 Mar 2012 08:53:00 GMT

High-yield wheat expert Phil Needham provides a video tutorial on how to evaluate your wheat crop at jointing stage.

How important is planting speed?

Farm Journal Agronomists — Fri, 23 Mar 2012 15:18:00 GMT

MIssy Bauer, Farm Journal Associate Field Agronomist, says that planting too fast can have a negative impact on yields.

How Do I Know Whether to Replant My Corn Crop?

Farm Journal Agronomists — Wed, 11 Apr 2012 10:23:00 GMT

There is no single answer that works in every situation. Our best advice is to encourage you to work through a logical, detailed process.

Consider Soil Insecticides at Planting

Farm Journal Agronomists — Tue, 17 Apr 2012 06:53:00 GMT

Insects like mild winters, and corn growers may see more pests in the field this year.

What to Know When Dribbling Nitrogen

Farm Journal Agronomists — Fri, 27 Apr 2012 13:21:00 GMT

Question: How many gallons of 28 or 32% can I dribble on top of the ground behind the planter in the press wheel track?

Does Uniformity of Wheat Emergence Matter?

Farm Journal Agronomists — Tue, 08 May 2012 14:31:00 GMT

How to Determine Liquid Nitrogen Placement

Farm Journal Agronomists — Fri, 11 May 2012 08:41:00 GMT

I am making a liquid side dress rig to put 28% on my corn. Does it makes a difference in yield if nitrogen is applied between every row as opposed to every other?

Top 10 Tips for Scouting This Season

Farm Journal Agronomists — Thu, 14 Jun 2012 10:09:00 GMT

Everything is showing up early in the field this season, including crop diseases, weeds and pests.

What Can I Do to Prevent Frogeye Leaf Spot?

Farm Journal Agronomists — Wed, 20 Jun 2012 14:09:00 GMT

When Do Corn Roots Stop Trying to Find Moisture?

Farm Journal Agronomists — Mon, 25 Jun 2012 14:20:00 GMT

f there’s no obstruction to the corn roots, they will grow and move down until they reach the water table.

How Can I Improve My Starter Fertilizer Placement?

Farm Journal Agronomists — Mon, 09 Jul 2012 12:43:00 GMT

Fertilizer burn can wreck a picket-fence stand, preventing a high-yielding hybrid from strutting its stuff.

What Is the Optimum Wheat Seeding Rate?

Farm Journal Agronomists — Wed, 15 Aug 2012 08:05:00 GMT

The number of wheat seeds per square foot or square yard that you need to plant is very dependent on many factors.

Are You Recommending Cover Crops this Fall?

Farm Journal Agronomists — Tue, 28 Aug 2012 08:47:00 GMT

If your corn or soybean crops didn’t yield to their potential this year, you still have an opportunity to plant another crop to increase your soil’s health, minimize erosion and even provide additional forage value.

How Much Nitrogen Credit Do I Have for Next Year?

Farm Journal Agronomists — Wed, 12 Sep 2012 14:05:00 GMT

Are nitrogen (N) rate adjustments needed for the 2013 corn crop?

Can I Fall-Apply Nitrogen on Really Dry Soil?

Farm Journal Agronomists — Thu, 11 Oct 2012 17:03:00 GMT

You may want to consider holding off on fall nitrogen applications if your ground is dry.

Can I Moldboard Plow Fields To Eliminate Weeds?

Farm Journal Agronomists — Fri, 19 Oct 2012 13:18:00 GMT

That’s a pretty radical option, but it may help bury seed that’s present so it doesn’t sprout and interfere with next year’s crop.

How Can I Improve Soil Health in Soybean Fields?

Farm Journal Agronomists — Fri, 26 Oct 2012 15:51:00 GMT

I would encourage farmers there to entertain planting a cover crop such as rye.

How Does USDA Report Corn Losses from Drought?

A Good Laugh — Fri, 02 Nov 2012 16:01:00 GMT

The report contains harvestable acres, so I don’t think that loss is calculated, as you suspect.

What Causes No-Ear Corn?

Farm Journal Agronomists — Mon, 12 Nov 2012 11:37:00 GMT

This year we had spots in the (corn) field that were black and dead early with no ears on them. What would have caused these?

Can Tillage Practices Reduce Organic Matter in Wheat Ground?

Farm Journal Agronomists — Tue, 13 Nov 2012 08:58:00 GMT

A good no-till drill can create more consistent stands and reduce soil disturbance.

What Factors Help Determine Nitrogen Rates?

Farm Journal Agronomists — Wed, 21 Nov 2012 09:28:00 GMT

What is the deciding factor in varying the rate of nitrogen? Is it relative to CEC?

When Is The Best Time To Apply Phosphorus?

Farm Journal Agronomists — Tue, 27 Nov 2012 16:24:00 GMT

Here's how to differentiate between phosphorus loss from fall-applied fertilizer and loss from spring-applied fertilizer.

Is My Wheat Crop at Risk for Fusarium Head Blight?

Farm Journal Agronomists — Tue, 11 Dec 2012 09:08:00 GMT

An online tool is available to help growers assess their risk for Fusarium head blight.

What Are the Nitrogen Requirements for Corn Early in the Season?

Farm Journal Agronomists — Fri, 21 Dec 2012 11:41:00 GMT

Here's how to maintain healthy nitrogen levels, starting with emergence.

What’s the Best Way to Calibrate My Yield Monitor?

Farm Journal Agronomists — Wed, 02 Jan 2013 09:12:00 GMT

A poorly calibrated yield monitor can still match scale tickets, but it doesn’t mean it always will.

How Concerned Should I Be About Carryover?

Farm Journal Agronomists — Mon, 07 Jan 2013 12:46:00 GMT

One of the best ideas we’ve heard for checking on the potential for carryover came to us recently from Kevin Bradley, University of Missouri Extension weed scientist.

Will Last Year's Drought Impact Soybean Production in 2013?

Farm Journal Agronomists — Wed, 23 Jan 2013 09:17:00 GMT

Evaluate soil conditions before planting soybeans this spring.

How Do I Control Volunteer Corn?

Farm Journal Agronomists — Thu, 31 Jan 2013 09:15:00 GMT

Farmers have more options if they previously grew conventional corn.

Is Vertical Tillage My Best Tillage Option This Spring?

Farm Journal Agronomists — Thu, 14 Feb 2013 08:26:00 GMT

I’m thinking about going to vertical tillage this spring; is there anything I need to be thinking about before I do that?

Can My Soils Benefit from Pelleted Lime Applied through My Strip-till Unit?

Farm Journal Agronomists — Fri, 22 Feb 2013 11:23:00 GMT

To neutralize acidity, you have to put lime on like paint. Uniform coverage is key.

Will My Disk Chisel Shatter a Hard Pan Better than an Inline Ripper?

Farm Journal Agronomists — Thu, 28 Feb 2013 08:00:00 GMT

I have a piece of ground that has a hard pan at 10" to 12" deep. I am looking to move to vertical tillage. Will our old disk chisel shatter the hard pan better than an inline ripper?

What Are Some Guidelines for Going to a Strip-Till Program?

Farm Journal Agronomists — Thu, 14 Mar 2013 15:43:00 GMT

Manage Corn Planting Process to Improve Pollination

Farm Journal Agronomists — Tue, 02 Apr 2013 09:35:00 GMT

But as you prepare for spring, keep in mind that a very important aspect of the production process is the pollination period for corn.

Will Foliar Fungicide Use in Soybeans Pay Off?

Farm Journal Agronomists — Tue, 16 Apr 2013 13:05:00 GMT

Unfortunately, there isn't a one-size-fits-all answer. But, here are some expert recommendations.

When Should I Replace Field Cultivator Shovels?

Farm Journal Agronomists — Fri, 26 Apr 2013 11:36:00 GMT

Is there some kind of guideline for when to replace field cultivator shovels?

Will My Planter Set-Up Close The Seed Trench?

Farm Journal Agronomists — Fri, 03 May 2013 13:29:00 GMT

Learn if this planter combo will deliver at planting.

How do I get rid of algae in my nurse tank?

Farm Journal Agronomists — Thu, 16 May 2013 08:24:00 GMT

How to get rid of algae in a nurse tank.