Effect of a long-term organic fertilization on wheat yield and soil fertility on Loess Plateau
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Abstract
A long-term experiment on Loess Plateau shows that the long term application of organic manure,the content of soil organic matter and total and available nutrients can be raised and the also be improved.Finally,the regulate capability of moisture,fertilizer,air,hot are raised. The increased yield effect of a long-term application of straw is the best.
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