Phosphorus (P) is a key plant nutrient. Only nitrogen and potassium are required in higher amounts by crops. High soil test phosphorus fields are a looming environmental threat to surface water.
Tamil Nadu Rice Research Institute promotes bio-fertilizers to enhance soil health and crop productivity in Cauvery delta.
CLEVELAND, Ohio – The U.S. Environmental Protection Agency approved a plan Thursday to reduce the amount of phosphorus flowing into the Maumee River and eventually into Lake Erie, where the farm ...
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