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

图4 不同处理对马铃薯关键生育期水分垂直分布的影响 处理代号见图2。PWC: 永久凋萎系数; FWHC: 田间饱和持水量。误差线表示平均值的标准误(n = 3)。

Fig. 4 Soil water content (%) in 0-2 m depth in key potato growth period as affected by different treatments Treatments are as these described in Fig. 2. PWC: permanent wilting coefficient; FWHC: field water holding capacity. Error bars indicate the standard error for each date point (n = 3).