In calcareous soil the water soluble phosphate applied was mainly transformed into Ca P,O P and Al P, which in acid soil were mainly changed into Fe P, O P and Al P.Submerg increased Fe P in both soils.

 
  • 外加磷肥在潮土中主要轉化為Ca?P,O?P和Al?P,紅壤中則主要轉化為Fe?P,Al?P和O?P。
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