AMES, Iowa – The soil fertility tests farmers have used for decades to measure nitrogen levels don’t account for the vast majority of the nitrogen in soils, so Iowa State University scientists helped ...

Add Yahoo as a preferred source to see more of our stories on Google. Organic nitrogen is important for plant growth, but too much of it can cause a range of problems. Over-fertilization, improper ...

Nitrogen is the main nutrient added to cereal crops like corn, which makes them grow faster and stronger. But too much of a good thing can sometimes have negative outcomes. Too much nitrogen can run ...

Nitrogen is often the most limiting nutrient in growing plants. When deficient, plant yields and quality are reduced. However, excessive nitrogen applications could cause concerns in water quality and ...

It’s never too early to prepare for a strong growing season. You don’t have to wait until spring to test your soil quality. Fall soil fertility testing to determine residual nutrients and soil ...

One of the essential nutrients for vigorous crop production is nitrogen. Yet most routine tests done in commercial soil testing labs do not measure available nitrogen in the soil. Soil scientists ...

Nitrogen levels in 2022, a year that had both wet and dry weather, were more typical, in contrast to 2021, when it was extremely dry, an Agvise Laboratories Inc. staff member says. John Breker, soil ...

MADISON, WI, May 4, 2009--Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that ...

MIDDLEBURG — The Snyder County Conservation District is offering an on-site testing service for farmers to determine whether sidedress nitrogen is needed. There is a one-time fee of $10. This testing ...