水氮调控对膜下滴灌马铃薯水分动态及产量的影响

马鹏, 魏熙明, 丁芳菊, 张楷楷, 王巧丽, 邢古月, 常磊, 黄彩霞

Effects of Water and Nitrogen Regulation on Water Dynamics and Yield of Potato under Mulched Drip Irrigation

Ma Peng, Wei Ximing, Ding Fangju, Zhang Kaikai, Wang Qiaoli, Xing Guyue, Chang Lei, Huang Caixia

表1 双因素随机区组试验设计方案

Table 1 Experimental design scheme of two-factor randomied block

处理 Treatment 苗期 Seedling stage 块茎形成期 Tuber formation stage 块茎膨大期 Tuber bulking stage 淀粉积累期 Starch accumulation stage 施氮量 Nitrogen application rate (kg/hm2) W1N1 65%~75% 65%~75% 65%~75% 65%~75% 240 W1N2 65%~75% 65%~75% 65%~75% 65%~75% 180 W1N3 65%~75% 65%~75% 65%~75% 65%~75% 120 W2N1 55%~65% 55%~65% 55%~65% 55%~65% 240 W2N2 55%~65% 55%~65% 55%~65% 55%~65% 180 W2N3 55%~65% 55%~65% 55%~65% 55%~65% 120 W3N1 45%~55% 45%~55% 45%~55% 45%~55% 240 W3N2 45%~55% 45%~55% 45%~55% 45%~55% 180 W3N3 45%~55% 45%~55% 45%~55% 45%~55% 120 CK 65%~75% 65%~75% 65%~75% 65%~75% 0