密度和施肥对旱地马铃薯干物质积累、产量和水肥利用的影响
柳燕兰1(), 郭贤仕1,*(), 张绪成1,*(), 马明生1, 王宏康2
Effects of planting density and fertilization on dry matter accumulation, yield and water-fertilizer utilization of dryland potato
LIU Yan-Lan1(), GUO Xian-Shi1,*(), ZHANG Xu-Cheng1,*(), MA Ming-Sheng1, WANG Hong-Kang2

图4. 不同栽培模式下马铃薯产量、耗水量和水分利用效率
处理同表1。不同小写字母表示同一年份不同处理间差异显著(P < 0.05)。

Fig. 4. Yield level, evapotranspiration, and water use efficiency of potato under different cultivation models
Treatments are the same as those given in Table 1. Different small letters in the same year mean significant difference among different treatments at the 0.05 probability level.