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 ...

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

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

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

Another technique is to use the sharp tool to go up from the bottom of the root ball, about two-thirds the distance between the bottom and top roots. Rotate the root ball 90 degrees and cut up again.

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 ...

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 ...