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Fig. 1. Percentage of total P losses determined as dissolved reactive P (DRP), particulate reactive P (PRP), dissolved unreactive P (DUP), and particulate unreactive P (PUP) in leachate collected from different treatments during (a and c) nonirrigation (NIR) and (b and d) irrigation (IR) seasons (19992000, 20002001). Percentage means of P forms followed by different letters in the same bar are significantly different at P < 0.05).
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