Barley and Durum Response to Phosphorus at Buckey, Maricopa, and Yuma, 1997
Soil tests were developed in the 1930's as a guideline for phosphorus fertilizer application. The phosphorus soil test for the calcareous soils in the Western U.S. is based on bicarbonate extraction and is often called the Olsen P method. Phosphorus fertilizer recommendations for small grains b...
| Main Authors: | , , |
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| Language: | en_US |
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College of Agriculture, University of Arizona (Tucson, AZ)
1997
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| Online Access: | http://hdl.handle.net/10150/202474 |