秸秆带状沟覆垄播对旱地马铃薯产量和水分利用效率的影响

陈玉章,田慧慧,李亚伟,柴雨葳,李瑞,程宏波,常磊,柴守玺

Effects of straw strip mulching on furrows and planting in ridges on water use efficiency and tuber yield in dryland potato

Yu-Zhang CHEN,Hui-Hui TIAN,Ya-Wei LI,Yu-Wei CHAI,Rui LI,Hong-Bo CHENG,Lei CHANG,Shou-Xi CHAI

表2 马铃薯主要农艺性状、水分利用效率与产量间的相关性

Table 2 Person’s correlation coefficients between tuber yield and the main agronomic traits and water use efficiency under different treatments

小薯率 Small tuber rate 中薯率 Medium tuber rate 大薯率 Large tuber rate 结薯数 Tuber number per plant 单株薯重 Tuber weight per plant 株高 Plant height 水分利用效率 Water use efficiency 耗水量 Water consumption 相关系数r -0.732** -0.554 0.889** 0.954** 0.999** 0.990** 0.927** -0.324