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| Effed of different N, P application amounts soil pH and contents of organic matters on in paddy soil |
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| Abstract: |
| To explore the effects of N and P application amounts on soil pH and organic matters contents, the soil pH and contents of organic matters were determined applying different amounts of nitrogen and phosphorus. The result showed that the application of nitrogen and phosphorus reduced the soil pH, thus leading to soil acidification, and the degree of soil acidification was determined by soil pH.Appropriate application of nitrogen and phosphor increased the contents of soil organic matters. For the soil, with lower pH, the treatment of N2P2 coulld increase the soil organic matters contents significantly, while the N1P3 was the most significant treatment for the soil with higher pH value. |
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