周年秸秆还田与土壤耕作对水稻产量、品质及稻季温室气体排放的影响

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试验于2008~2009年在江苏省常熟市辛庄镇苏州市现代农业水稻示范区进行,裂区设计,以秸秆还田方式为主区,设秸秆还田和秸秆不还田2种方式,以土壤耕作方式为裂区,设麦季旋耕-稻季旋耕、麦季旋耕-稻季翻耕、麦季翻耕-稻季旋耕、麦季翻耕-稻季翻耕4种方式,组成8个处理。以早熟晚粳杂交组合常优1号为材料,研究周年秸秆还田与土壤耕作对水稻产量、品质及稻季温室气体排放的影响。主要研究结果如下:1、周年秸秆还田与土壤耕作对水稻产量及产量构成因素的影响:(1)周年秸秆还田处理比不还田处理平均增产2.6
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