Simulating the effects of long-term discontinuous and continuous fertilization with straw return on crop yields and soil organic carbon dynamics using the DNDC model
文献类型： 外文期刊
作者： Zhang, Jing 1 ; Hu, Kelin 1 ; Li, Kejiang 2 ; Zheng, Chunlian 2 ; Li, Baoguo 1 ;
作者机构： 1.China Agr Univ, Coll Resources & Environm Sci, Key Lab Arable Land Conservat North China, Minist Agr, Beijing 100193, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Dry Land Farming Inst, Hengshui City 053000, Hebei Province, Peoples R China
关键词： DNDC model;Long-term fertilization;Straw return;Crop yield;Soil organic carbon
期刊名称：SOIL & TILLAGE RESEARCH （ 影响因子：5.374； 五年影响因子：6.368 ）
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收录情况： SCI
摘要： The objectives of this study were to investigate the applicability of the DNDC model under long-term discontinuous fertilization (three years of fertilization followed by three years of no fertilization) in the winter wheat-summer maize rotation cropping system, and to analyze the effects of long-term fertilization and straw return on soil organic carbon (SOC) and crop yields and to optimize the ratio of straw incorporation to fertilization rate. A 30-year (1981-2011) long-term experiment was conducted at the Hengshui
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