宁南旱区沟垄集雨结合覆盖对土壤水热肥与马铃薯产量的影响
吴春花, 普雪可, 周永瑾, 勉有明, 苗芳芳, 李荣

Effects of ridge-and-furrow rainwater harvesting with mulching on soil water- heat-fertility and potato yield in arid areas of southern Ningxia
WU Chun-Hua, PU Xue-Ke, ZHOU Yong-Jin, MIAN You-Ming, MIAO Fang-Fang, LI Rong
表1 不同处理下马铃薯产量与土壤性状相关性分析
Table 1 Correlation analysis of potato yield and soil properties under different treatments
指标Index X1 X2 X3 X4 X5 X6 X7 X8
X2 -0.231
X3 0.748** -0.554*
X4 0.813** -0.246 0.750**
X5 0.742** -0.414 0.845** 0.687**
X6 0.808** -0.451 0.913** 0.774** 0.852**
X7 0.834** -0.490 0.802** 0.859** 0.859** 0.851**
X8 -0.370 0.340 -0.793** -0.413 -0.487 -0.630 -0.291
Y 0.856** -0.241 0.589* 0.645* 0.545* 0.588* 0.604* -0.334