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More Weed Seed Control Tips

July 27, 2013
By: Nate Birt, Top Producer Deputy Managing Editor google + 
 
 

The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article "Make Your Weeds Queasy." You can find the article in Farm Journal's 2013 Seed Guide issue.

 

In addition to tillage and herbicides, other basic practices can help farmers manage weed seeds. They include:

Identify the weeds in your field and know their weaknesses. Are they dioecious (as with waterhemp, whose male plants make pollen and female plants make seeds) or monoescious (as with giant ragweed, whose plants contain both male and female flowers)? What growing conditions allow them to thrive? Pigweeds require a lot of light to germinate, for example, so maintaining a good stand of corn or beans can limit the sun’s ability to penetrate the canopy. In general, bigger weed seeds remain viable in the soil longer than smaller seeds.

Explore the edges of your fields and identify ways to keep weed seeds from moving in from the outside.

Consider how weather conditions can help or hurt your weed seedbanks. For example, fields left unattended during the drought of 2012 allowed weeds to flourish. Routine field management can limit the seed population in your soil so it doesn’t get out of control.

Choose chemicals wisely. Translocated herbicides can be a good choice during post-harvest applications because they move through the weed and attack the root system, where the plant stores much of the food it makes through photosynthesis.

Avoid spreading manure collected from livestock that have consumed feed grains that have not been cleaned. Consider composting animal manure and carefully sourcing feed. Resistance problems, particularly with Palmer amaranth, can be expedited with careless spreading, creating the risk that crop acreage will be put out of production.

 

resistant weed chart

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FEATURED IN: Farm Journal - Seed Guide 2013
RELATED TOPICS: Crops, Management, Inputs, Weeds, Herbicide

 
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