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 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 ...

Timely sidedress nitrogen guided by soil testing and applied before the V8–V9 growth stage helps ensure corn has the nutrients it needs to support optimal yield potential. Your corn requires plenty of ...

High input prices means farmers will want to be especially judicious about the amount of nitrogen fertilizer they apply on their corn crops this spring. One way that farmers who have regularly used ...

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 ...

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 ...

Applying this method to the influential IPCC Fifth Assessment Report (AR5), the researchers found a striking result. The upper and average estimates for the global nitrogen cycle, when paired with the ...

Organic nitrogen is important for plant growth, but too much of it can cause a range of problems. Over-fertilization, improper composting, or runoff from nearby agricultural areas can all contribute ...