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Stored Soil Moisture Best Guide to Nitrogen Needed

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ndfr_19670501_v24_iss11_015.pdf
Title: Stored Soil Moisture Best Guide to Nitrogen Needed
Author: Bauer, A.; Vasey, E. H.; Young, R. A.; Ozbun, J. L.
Description: The study to develop a test for nitrogen was conducted in 1958, 1959 and 1960 and consisted of 66 rate-of-nitrogen trials on farm fields throughout North Dakota. These provided data for yield response to nitrogen and soil samples. These soil samples were used to evaluate the suitability of five laboratory methods to assess soil nitrogen content and were utilized in other states and Canadian provinces to predict fertilizer nitrogen needs. As the amount of stored available soil moisture at seeding increases, less growing season rainfall was needed to produce a yield response to fertilizer nitrogen.
Date: 1967
Subject:
Permalink: http://hdl.handle.net/10365/23780

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