DuPont Pioneer experts provide fall management tips
Strong genetic potential and proven crop management practices are vital to making the most out of every acre. According to DuPont Pioneer agronomy experts, focusing on management practices this fall will help maximize potential in your fields next season.
“Advances in management help maximize the gains in productivity that improved genetics make possible,” says Brent Wilson, DuPont Pioneer technical services manager in Iowa. “As growers plan for the next season, it’s a good time to evaluate key management decisions — such as fertility programs — that help set the stage for success in 2014.”
Fertilizers are significant variable costs in production and it pays to assess crop nutrients in fields. Soil testing is a relatively inexpensive but powerful management tool that determines nutrient levels in fields. With knowledge gained from soil tests, you can make more informed crop input decisions to minimize risk and maximize profitability.
DuPont Pioneer agronomists recommend sampling soils at the same time every year on a two- to four-year rotation for a given field. Sampling three to six months prior to the next crop allows enough time for any pH or nutrient adjustments. For many crops, the optimum time to take a soil sample is in late fall during post-harvest. For assistance with proper soil sampling and selection of a soil-testing laboratory, contact your local DuPont Pioneer agronomist or extension office.
Fall nitrogen application
Nitrogen (N) is typically the most yield-limiting nutrient, and it’s one of the largest input costs for corn production. Fall-applied N is at highest risk for loss through leaching or denitrification.
“This fall, consider the benefit of improved utilization efficiency gained by applying N closer to the time the crop uses it,” Wilson suggests. “Take the time to rethink the number of acres covered and your N application rate.”
For example, this past spring several fields with fall-applied N had leaching problems following excess spring moisture. Growers may not have lost as much of their investment if they had waited until spring to apply.
“Fall applications are largely driven by logistics and an effort to spread out the workload. If you have the equipment and manpower, it’s better to wait to apply nitrogen in the spring,” says Neal Hoss, DuPont Pioneer technical services manager in Illinois and Indiana. “If you don’t have the capacity for spring applications, target fields with the least amount of risk and use nitrogen inhibitors to minimize the potential loss of your nitrogen investment.”
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