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 ...

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 ...

Taking representative soil samples, choosing the right depths, and analyzing key nutrients can improve fertilizer planning ...

Before applying fertilizer or any other soil amendment, it's a good idea to see what the soil already contains. That way you ...

There are a few items in post-harvest test results that look foreign to those viewing them for the first time. These are the ...

When it comes to your plants, you can't cheat. If you cut a corner, the results are gonna be felt in your garden: stressed plants that are susceptible to disease, produce less fruit, and fruit that ...

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 ...

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 ...