耕作方式与灌水次数对砂姜黑土冬小麦水分利用及 籽粒产量的影响

王永华,刘焕,辛明华,黄源,王壮壮,王金凤,段剑钊,冯伟,康国章,郭天财

Effects of Tillage Practices and Irrigation Times on Water Use Efficiency and Grain Yield of Winter Wheat in Lime Concretion Black Soil

WANG YongHua,LIU Huan,XIN MingHua,HUANG Yuan,WANG ZhuangZhuang,WANG JinFeng,DUAN JianZhao,FENG Wei,KANG GuoZhang,GUO TianCai

表2 两年度试验点不同土层田间持水量

Table 2 Field water-holding capacity in different soil layers of two-year experimental field

年份 Year 处理 Treatment 田间持水量 Field water-holding capacity (%) 0-20 cm 20-40 cm 40-60 cm 60-80 cm 80-100 cm 2015-2016 SS 34.26 33.35 32.29 31.36 28.27 RT 34.02 33.17 31.86 29.66 26.91 2016-2017 SS 34.19 34.03 32.26 29.71 27.57 RT 33.50 33.43 31.39 29.23 28.42