Now that you have created a
Nutrient Management Plan (Plan) for your farm let's take a quick look at some Best Management Practices (BMP's) for applying Nitrogen (N) an Phosphorous (P).
Nitrogen Application
Timing
Applying N when the crop needs it provides yield, economical, and environmental benefits, so in-season application timing is important. The yield benefit is realized by having the right amount of N available for the crop at critical growth stages.
Credit - Iowa State University Extension
The economic benefit is realized with proper timing as the potential for N loss is reduced. This will prevent having to apply N again, thus increasing input costs without any added benefits from the double application. You can also realize a reduction in the environmental impact of N application with proper timing. For example, applying N with a weather forecast of heavy rains soon following increases the potential of N leaching out of the soil.
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