内蒙古黄土高原秸秆还田对玉米农田土壤水热状况及产量的影响

刁生鹏,高日平,高宇,任永峰,赵沛义,袁伟,高学峰

Effects of Straw Returning on Soil Hydrothermal and Yield of Maize in Loess Plateau of Inner Mongolia

Shengpeng Diao,Riping Gao,Yu Gao,Yongfeng Ren,Peiyi Zhao,Wei Yuan,Xuefeng Gao

表2 2018年秸秆还田对0~30cm土层土壤温度的影响

Table 2 Effects of straw returning on soil temperature in 0-30cm soil layer in 2018 ℃

土层深度(cm) Soil depth 处理 Treatment 苗期 Seedling stage 拔节期 Jointing stage 抽雄期 Tasseling stage 灌浆期 Filling stage 成熟期 Mature stage 0~10 CK 21.19c 24.45a 27.08a 22.95a 19.70b SF1 23.16b 24.19a 25.50b 22.50b 20.52a SF2 23.82a 22.61c 25.05b 20.83d 20.71a SF3 23.15b 23.31b 25.25b 21.85c 20.46a 10~20 CK 19.58c 22.72a 24.59a 22.12a 18.72b SF1 20.89b 22.65a 24.83a 21.86ab 19.45a SF2 22.09a 21.95b 23.88b 20.54c 19.54a SF3 20.57b 22.12b 23.98b 21.47b 19.47a 20~30 CK 18.67c 22.05a 23.21a 21.81a 18.48a SF1 19.45b 21.57b 23.01ab 21.77a 18.84a SF2 20.89a 20.24c 22.45c 21.45a 18.88a SF3 19.24b 21.28b 22.74bc 21.58a 18.73a