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2 不同覆盖方式下各生育期土壤平均紧实度

Table 2 Effect of different mulching methods on soil compactness at different growth stages (kPa)

年份 Year 处理 Treatment 生育时期 Growth stage V6 V12 VT R3 R4 R6 2018 A 112.5 b 170.6 b 213.0 b 326.5 b 330.7 b 366.2 b B 109.0 b 175.4 b 206.7 b 316.9 b 333.5 b 354.3 c C 145.8 a 236.4 a 321.4 a 371.5 a 385.6 a 389.7 a 2019 A 101.8 b 132.4 b 201.3 b 319.7 b 331.2 b 354.6 c B 103.6 b 134.7 b 210.5 b 321.0 b 327.6 b 374.1 b C 136.5 a 196.7 a 312.8 a 385.7 a 394.0 a 402.8 a