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4 不同处理下地下水补给量

Table 4 Groundwater recharge under different treatments

年份 Year 处理 Treatment 总地下水补给水量 Total groundwater replenishment (kg·hm-2) 播种-拔节地下水补给水量 Sowing-jointing groundwater replenishment (kg·hm-2) 拔节-开花地下水补给水量 Jointing-anthesis groundwater replenishment (kg·hm-2) 开花-成熟地下水补给水量 Anthesis-maturity groundwater replenishment (kg·hm-2) 2015-2016 旋耕RT W0 27.15 71.85 36.3 -81 W1 27 67.95 36.75 -77.7 W2 27.15 67.95 36.9 -77.85 深松SS W0 27 55.65 30.15 -58.8 W1 27 49.2 32.7 -54.9 W2 27.15 52.8 31.35 -57 2016-2017 旋耕RT W0 146.4 76.65 131.25 -61.5 W1 152.85 82.95 104.1 -34.2 W2 153.15 82.95 40.5 29.7 深松SS W0 182.25 107.25 183 -108 W1 185.85 106.8 277.95 -198.9 W2 189.45 110.7 160.5 -81.75