不同覆盖材料对河西灌区土壤环境及玉米产量的影响

王祎, 任永福, 张正鹏, 丁德芳, 张靖, 刘祎鸿, 孙多鑫, 陈光荣

The Effects of Different Covering Materials on Soil Environment and Maize Yield in Hexi Irrigation Area

Wang Yi, Ren Yongfu, Zhang Zhengpeng, Ding Defang, Zhang Jing, Liu Yihong, Sun Duoxin, Chen Guangrong

表2 不同覆盖材料对不同土层深度土壤温度的影响

Table 2 The effects of different covering materials on soil temperature at different soil depths ℃

处理 Treatment 时间 Time 出苗期Emergence period 拔节期Jointing stage 抽雄期Tasseling stage 成熟期Maturation stage 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm T1 8:00 16.4 16.2 15.8 15.6 18.6 18.4 18.2 18.0 18.8 18.6 18.3 18.1 16.8 16.6 16.2 15.6 14:00 18.0 17.8 17.6 17.2 21.8 21.6 21.4 21.0 22.5 22.2 21.7 21.5 18.4 18.2 17.9 17.5 18:00 17.4 17.2 16.9 16.5 20.4 20.2 19.9 19.8 21.2 21.1 20.8 20.6 18.0 17.8 17.6 17.5 T2 8:00 16.2 16.0 15.8 15.5 18.2 17.9 17.6 17.4 18.6 18.4 18.2 17.9 16.6 16.3 15.8 15.6 14:00 17.5 17.3 17.0 16.8 21.0 20.8 20.5 20.1 21.6 21.4 21.2 21.1 17.7 17.5 17.4 16.8 18:00 17.2 17.1 16.8 16.5 19.2 19.0 18.7 18.4 20.2 19.9 19.8 19.6 17.2 16.9 16.7 16.5 T3 8:00 16.0 15.7 15.4 15.2 17.4 17.2 17.1 16.9 18.4 18.2 18.1 17.6 16.4 16.2 16.0 15.8 14:00 17.2 17.0 16.8 16.4 20.2 19.9 19.7 19.4 20.7 20.4 20.3 20.1 17.4 17.2 16.9 16.5 18:00 16.8 16.6 16.5 16.3 18.9 18.6 18.5 18.2 19.1 19.0 18.8 18.5 16.9 16.7 16.4 16.3 CK 8:00 15.4 15.2 15.1 14.6 16.8 16.4 16.0 15.8 18.1 17.8 17.6 17.4 15.8 15.5 15.3 16.8 14:00 17.0 16.8 16.7 16.1 18.2 18.0 17.5 17.1 19.0 18.7 18.5 18.2 17.3 16.9 16.8 16.5 18:00 16.5 16.2 16.0 15.4 17.8 17.5 17.0 16.8 17.2 17.1 17.0 16.9 16.8 16.5 16.3 16.1