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 ...

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 ...

Your corn requires plenty of nitrogen for optimal yield, and split applied, sidedressed fertilizer might be a good fit. Before application, it’s important to perform soil testing to figure out when to ...

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 ...

Healthy soil contributes to healthy crops. Farmers know this, so they do what they can to ensure their soil is in good shape. They send samples of their soil for lab testing to find out if it is low ...

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 ...

Precision is key to innovations in the plastics and polymers space. The quality and consistency of polymers directly impact the functionality of these materials, whether this is in everyday items like ...

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 ...