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 ...

Now that summer is a distant memory and fall has settled in, it’s easy to think your garden work is done until spring. But ...

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 ...

For about $15, you can get a down-and-dirty soil analysis from your state university’s agricultural lab – including results for phosphorus, potassium, pH (acidity), and organic matter content. But you ...

Healthy soil is the heart of thriving gardens and homesteads. Knowing the complex makeup of soil and how to care for it, can ...

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 ...