Phosphorus in Missouri soils
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"In Missouri, soils generally contain from 800 to 2,000 pounds of total phosphorus per acre. Most of this phosphorus is fixed, that is, not available for use by plants. When added to soils, phosphorus fertilizer enters into several different reactions, including adsorption (adhesion) on soil particles and precipitation into various compounds. The speed and kind of reactions involved depend upon pH, soil moisture, form of fertilizer, and many soil chemical properties. Despite the reaction, though, the net result is the retention of phosphorus, followed by its reversion to relatively insoluble and unavailable forms. The degree to which this happens depends in part on how much phosphorus is already in the soil. So phosphorus recommendations usually exceed crop removal because the soil renders some of the phosphorus unavailable."--First page.
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Archive version. For the most recent information see extension.missouri.edu.
OpenAccess.
OpenAccess.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.
Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.