陇中半干旱区不同覆盖种植方式对土壤水热效应和玉米产量的影响

邓浩亮,张恒嘉,肖让,张永玲,田建良,李福强,王玉才,周宏,李煊

Effects of Different Covering Planting Patterns on Soil Moisture, Temperature Characteristics and Maize Yield in Semi-Arid Region of the Loess Plateau

HaoLiang DENG,HengJia ZHANG,Rang XIAO,YongLing ZHANG,JianLiang TIAN,FuQiang LI,YuCai WANG,Hong ZHOU,Xuan LI

表2 不同覆盖种植方式对春玉米田0-25cm土壤平均温度的影响

Table 2 Effect of different covering planting patterns on soil average temperature in 0-25 cm layer (℃)

年份 Year 处理 Treatment 苗期 Seedling 拔节期 Jointing 吐丝期 Silking 灌浆期 Grain filling 成熟期 Maturity 平均 Mean 2015 WM 22.50b 26.07ab 21.37ab 20.06ab 15.07ab 21.01ab HM 21.53b 25.17b 20.76bc 19.62bc 14.45b 20.31bc MRM 24.43a 27.29a 22.18a 20.79a 15.52a 22.04a WRF 22.02b 25.52b 21.33ab 20.53a 15.29a 20.94b SM 18.18c 23.09c 19.39d 18.48c 13.29c 18.48d CK 19.08c 23.74c 19.80cd 18.72c 13.50c 18.97cd 平均 Mean 21.29 25.15 20.80 19.70 14.52 2016 WM 25.40b 25.61ab 22.94bc 19.22ab 14.83ab 21.60b HM 24.11b 24.61b 21.90c 18.44bc 13.97bc 20.61c MRM 27.31a 26.45a 24.19a 20.11a 15.72a 22.76a WRF 24.05b 25.35ab 22.97bc 19.58a 15.53a 21.50b SM 19.52c 22.47c 20.24d 17.88c 13.07c 18.64d CK 19.82c 22.57c 20.46d 17.93c 13.57c 18.87d 平均 Mean 23.37 24.51 22.12 18.86 14.45 2年平均 Average numerical values of 2 years WM 23.95b 25.84ab 22.16b 19.64ab 14.95ab 21.31b HM 22.82b 24.89b 21.33b 19.03bc 14.21bc 20.46c MRM 25.87a 26.87a 23.18a 20.45a 15.62a 22.40a WRF 23.03b 25.44b 22.15b 20.06a 15.41a 21.22b SM 18.85c 22.78c 19.81c 18.18c 13.18d 18.56d CK 19.45c 23.16c 20.13c 18.33c 13.54cd 18.92d 平均 Mean 22.33 24.83 21.46 19.28 14.49