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 ...

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

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 ...

THE SUCCESS OF our plantings comes down to taking care of the soil they are rooted in. While not as enchanting as a beautiful bloom or as delicious as a bowlful of berries, healthy soil is the ...

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 ...

Soil testing methods are still largely the same as they were 100 years ago, and researchers and farmers continue to struggle to interpret the numbers. However, a soil test is a good place to start ...

Your plants need nitrogen in order to thrive. Here are some simple ways to add it to your soil. Nitrogen is a critical element for the plants growing in your garden. They need nitrogen to help them ...