Straw Application Strategy to Optimize Nutrient Release in a Southeastern China Rice Cropland
AbstractThe management and improvement of paddy soils fertility are key factors for the future capacity of rice production. The return of rice straw to paddy soils is the best alternative to the application of industrial fertilizers for rice production sustainability. The best strategy for applying rice straw to improve soil nutritional capacity during rice growth has not yet been investigated. We compared straw decomposition in the ditches and ridges in paddy fields subjected to a typical crop management in southeastern China. Straw spread on the ridges provided lower residual straw carbon (C) concentration and mass, lower nitrogen:phosphorus ratio N:P, C:N, and C:P ratios, and lower soil salinity, as well as higher temperature, and higher N- and P-release capacity during the rice crop in comparison to the straw spread in the ditches. Therefore, applying rice straw to the ridges is better strategy than applying it to ditches to enhance rice production. View Full-Text
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Wang, W.; Sardans, J.; Wang, C.; Pan, T.; Zeng, C.; Lai, D.Y.F.; Bartrons, M.; Peñuelas, J. Straw Application Strategy to Optimize Nutrient Release in a Southeastern China Rice Cropland. Agronomy 2017, 7, 84.
Wang W, Sardans J, Wang C, Pan T, Zeng C, Lai DYF, Bartrons M, Peñuelas J. Straw Application Strategy to Optimize Nutrient Release in a Southeastern China Rice Cropland. Agronomy. 2017; 7(4):84.Chicago/Turabian Style
Wang, Weiqi; Sardans, Jordi; Wang, Chun; Pan, Ting; Zeng, Congsheng; Lai, Derrick Y.F.; Bartrons, Mireia; Peñuelas, Josep. 2017. "Straw Application Strategy to Optimize Nutrient Release in a Southeastern China Rice Cropland." Agronomy 7, no. 4: 84.