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Cornstalk Testing to Evaluate Nitrogen Management

By A. M. Blackmer and A. P. Mallarino

Abstract

Recent studies have shown that the nitrogen (N) status of a corn crop can be assessed by measuring nitrate concentrations in the lower portion of cornstalks at the end of the growing season. This finding Jed to the development of a new tissue test that can be used to evaluate N management practices used in any field in any year. The test is called the end-of-season cornstalk test . This pamphlet describes the test and how it should be used

Topics: Agriculture, Agronomy and Crop Sciences
Publisher: Iowa State University Digital Repository
Year: 2000
OAI identifier: oai:lib.dr.iastate.edu:icm-1719

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