Browse Dept. of Natural Resources and Environmental Sciences by Contributor "Arai, Yuji"
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Effects of extraction time and phosphorus speciation on soil test phosphorus (STP) in Illinois agricultural soils (2017-03-28)Phosphorus (P) loss from agricultural soils is the leading cause of accelerated eutrophication of surface waters. As an essential plant nutrient, however, adequate soil P is required for plant growth. Soil test phosphorus ...