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- W3143670022 abstract "【Objective】Decomposition patterns and nutrient release characteristics of rice straw were studied to provide references for the rational utilization of straw and nutrient resource management. 【Method】There were four treatments for the fresh rice straw,i.e. original straw,chopped straw,chopped straw with decomposer and chopped straw with farm manure using the nylon net-bag method under the outdoor condition,and then straw residual rate,release rate and cumulative amount of nitrogen,phosphorus and potassium in straw were determined. 【Result】On 91 d after the decomposition,there was more than 50%of decomposed straw. The order of decomposition rate was chopped straw with farm manurechopped straw with decomposer chopped straworiginal straw. The release amount of N,P and K in the straw was 52.76%-63.96%,66.16%-74.47% and73.15%-82.15%. Release rates of N,P and K in the straw were greater at the early period and lower at the later period. Release rate of nutrient in the straw nutrient was the largest in the first 10 days. Chopped straw with decomposer increased the release rates of N and P in the straw significantly and chopped straw with farm manure improved the release rate of N in the straw significantly,but both treatments decreased the release rate of K in the straw. 【Conclusion】Chopped straw with decomposer or farm manure can promote the decomposition and N, P and K release in the straw, and the chopped straw with farm manure is better." @default.
- W3143670022 created "2021-04-13" @default.
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- W3143670022 date "2014-01-01" @default.
- W3143670022 modified "2023-09-23" @default.
- W3143670022 title "Decomposition patterns and nutrient release characteristics of rice straw" @default.
- W3143670022 hasPublicationYear "2014" @default.
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