The change of soil phosphorous content during Mollisols' parent material maturation

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Phosphorus(P)is a limiting factor in agriculture production.The application of P fertilizer has long been taken to increase crop yield and soil P fertility as well.Clarification the evolution of soil
Continuous inputs of nitrogen(N)through atmospheric deposition or N fertilizers,the important global change drivers,are likely to change soil phosphorus(P)availability,and thus affect long-term forest
There are some metal ions in the Low or middle-grade phosphate rock,especially when the Mg2+is excess,which is still exist in the phosphoric acid by wet process and that will bring a series of complex
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