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 ...

The Illinois Soil Nitrogen Test was recently studied to clarify the chemical nature of what the test measures and its relationship to microbial growth in soils, determining that the test does not ...

Following a four-year study, North Carolina researchers report that a test accurately predicts nitrogen concentrations in humid soils. Researchers hope that this test will help to reduce under- and ...

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 ...

Nitrogen test plots confirm right timing and placement of applications increase yields. To achieve high yields, you have to keep the corn plant happy. From the beginning growth stages to harvest ready ...

Revised Document Prepared by: A.L. Shober, K.L. Gartley, and J.T. Sims Department of Plant and Soil Sciences, University of Delaware Unlike other nutrients, such as potassium or phosphorus, the ...

Keeping nitrogen (N) use front and center is a good season-long management consideration for corn, notes Missy Bauer, Farm Journal Field Agronomist and owner of B&M Crop Consulting, Coldwater, Mich.

MARSTONS MILLS — Two septic tanks may be better than one, at least when the second tank can do what the first won't. The Sandy Shores neighborhood along the shore of Shubael Pond will help test for ...

MADISON, WI, May 4, 2009--Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that ...