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Postharvest Grain Protection Vitally Important

October 4, 2012
Corn Mold

By Tracy Turner, Ohio State University

With drought-damaged grain yields expected to be poor this year, growers need to take extra care to ensure that every bushel they're able to harvest is protected against mold, pests and other problems, says an Ohio State University Extension educator.

Drought and extreme heat have reduced topsoil moisture and lowered crop yield expectations, making it even more important for growers to make post-harvest grain protection a priority, said Curtis Young, who is also an assistant professor in the College of Food, Agricultural, and Environmental Sciences at Ohio State.

"You don't have money in the bank until you sell the grain," Young said. "The protection of the grain doesn't stop with harvest, so if you are storing the grain on your farm, you need to take care of it.

"That extra care for grain storage is especially intensified this year because yields are going to be sub-optimal, so growers need to protect every penny that they can."

The fact is, Young says, grain this year is more valuable than it has been in past years. "And with limited yields expected this year, what grains growers are able to harvest will be their income for the year, so it is imperative for them to protect that grain."

For example, growers who typically produced 180 bushels of corn per acre and sold the crop at $3.30 per bushel would generate $594 per acre in gross income.

"So with the higher prices corn is fetching this year, say $8.25 per bushel, growers who want to generate that same income would need to produce a minimum of 72 bushels per acre to break even," Young said. "But unfortunately, there are fields out there that may not generate even 72 bushels per acre this year.

"And while the higher price of grain will offset the lack of yield, that won't be the case for every field."

To protect grain quality and economic value, growers need to clean, inspect and repair all harvest and handling equipment and storage facilities prior to the beginning of the harvest season.

And with harvest coming sooner this year as a result of the heat and dry conditions, growers should start with sanitizing every piece of equipment used for harvesting, transporting and handling grain, Young said.

"Much of the preparation of the grain storage facility has to do with sanitation, basically cleaning up from previous years to make sure there isn't any contaminated grain anywhere in the facility that could contaminate the new grain coming in," he said. "Even small amounts of moldy or insect-infested grain left in equipment can contaminate a bin of new grain."

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RELATED TOPICS: Agronomy, Crops, Harvest, drought

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