秸秆还田与化肥配施对汉中盆地稻麦轮作农田土壤固碳及经济效益的影响

吴玉红,郝兴顺,田霄鸿,陈浩,张春辉,崔月贞,秦宇航

Effect of straw returning combined with NPK fertilization on soil carbon sequestration and economic benefits under rice-wheat rotation in Hanzhong basin

Yu-Hong WU,Xing-Shun HAO,Xiao-Hong TIAN,Hao CHEN,Chun-Hui ZHANG,Yue-Zhen CUI,Yu-Hang QIN

表1 小麦、水稻秸秆还田方式及田间操作

Table 1 Returning method of straw and field operation

秸秆类型 Straw type 还田方式 Returning method 田间操作 Field operation 小麦秸秆 Wheat straw 不还田 No straw returning (SN) 小麦秸秆不还田 Wheat straws removed 常规还田 Straw returning (S) 小麦秸秆全量旋耕还田 All wheat straws returned with rotary tillage 促腐还田 Decayed straw returning (SD) 小麦秸秆添加腐熟剂全量旋耕还田 All wheat straws returned and applied straw compositing agents with rotary tillage 水稻秸秆 Rice straw 不还田 No straw returning (SN) 水稻秸秆不还田 Ricet straws removed 常规还田 Straw returning (S) 水稻秸秆全量旋耕还田 All rice straws returned with rotary tillage 促腐还田 Decayed straw returning (SD) 水稻秸秆添加腐熟剂全量旋耕还田 All rice straws returned and applied straw compositing agents with rotary tillage