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 ...

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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 ...

Knowing how to add nitrogen to soil is one of the most important steps you can take to keep your garden healthy and thriving! It’s the edge you need to help give you high yields without using ...