ISU Extension and Outreach

Understanding the relationship between nitrogen and crop rotation is very important when making N management decisions.

Making continuous corn work means knowing what you are up against.

The project aligns nutrient application timing to a crop’s nutrient needs to improve efficiency and reduce nutrient loss.

The most profound effect can be the excess release of nitrate, which may not be used by crops due to the lack of moisture available for the plant to uptake nutrients.

Fall application success, relative to spring or sidedress timing, can be enhanced by following several long-standing suggestions.

Those certified as of Dec. 31, 2019, can retain their status through the end of December 2020.

Very variable weather this season will result in variable corn and soybean yield within and between fields, writes […]

Waterhemp’s rise to the Cornbelt’s worst weed is one of the Cornbelt’s more fascinating weed-related events over the […]