Quick soil test aims to determine nitrogen need

Read the full story in Corn & Soybean Digest.

The lack of a rapid, cost-effective test for soil nitrogen is clearly a problem. Soil scientists at The Ohio State University and Cornell University think they have found a solution. They have shown that a test originally developed for extracting a particular protein in soil is actually a good test for a variety of proteins. Proteins are by far the largest pool of available organic nitrogen in soil. A good, quick test for protein in the soil could also be used as a test for available nitrogen.

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