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1 秸秆还田对玉米叶面积指数和地上部干物质积累的影响
Table 1 Effects of straw returning on leaf area index and dry matter accumulation of maize
年份
Year
处理
Treatment
叶面积指数Leaf area index 地上部干物质(g/株) Above ground dry matter (g/plant)
苗期
Seedling stage
拔节期
Jointing stage
抽雄期
Tasseling stage
灌浆期
Filling
stage
成熟期
Mature
stage
苗期
Seedling stage
拔节期
Jointing stage
抽雄期
Tasseling stage
灌浆期
Filling
stage
成熟期
Mature stage
2017 CK 0.41a 1.69c 2.86d 3.63d 2.60c 3.51a 54.59d 302.81c 592.57d 622.20d
SF1 0.34c 1.77bc 3.46c 3.87c 3.21b 3.52a 61.25c 334.89b 606.01c 636.31c
SF2 0.37b 2.02a 3.71a 4.08a 3.45a 3.55a 83.69a 346.22a 655.95a 688.75a
SF3 0.36b 1.93b 3.55b 3.93b 3.30ab 3.54a 75.66b 330.28b 633.30b 664.96b
2018 CK 0.51a 1.88c 2.86d 3.72d 2.90d 3.28c 55.70d 308.99c 604.66d 634.89d
SF1 0.44c 1.95b 3.46c 3.91c 3.21c 3.45b 62.50c 331.32b 618.38c 649.29c
SF2 0.47b 2.22a 3.71a 4.21a 3.80a 3.56a 85.40a 353.29a 669.34a 702.80a
SF3 0.46b 1.93b 3.55b 4.03b 3.50b 3.28c 77.20b 337.02b 646.22b 678.53b