不同膜上遮挡措施对旱地玉米土壤理化性状及产量的影响

王奇, 扶亚芳, 司雷勇, 金岩, 夏镇卿, 路海东

Effects of different cooling methods on maize soil physical and chemical properties and yield in dryland

WANG Qi, FU Ya-Fang, SI Lei-Yong, JIN Yan, XIA Zhen-Qing, LU Hai-Dong

表1 不同覆盖方式下0~25 cm土层平均温度

Table 1 Average soil temperature of 0-25 cm depths under different mulching patterns (℃)

年份 Year 处理 Treatment 生育时期 Growth stage V6 V12 VT R3 R4 R6 2018 A 27.1 b 25.1 b 22.8 b 23.1 b 19.3 b 16.5 b B 26.0 c 24.7 b 23.0 b 22.7 b 19.5 b 16.7 b C 29.5 a 26.6 a 24.3 a 24.5 a 22.0 a 19.2 a 2019 A 26.3 b 22.7 b 20.3 b 22.5 b 19.1 b 16.2 b B 25.9 b 22.3 b 19.9 b 22.7 b 18.6 c 16.0 b C 28.5 a 25.4 a 21.1 a 24.0 a 20.8 a 18.7 a