不同降雨年型黑膜垄作对土壤水肥环境及马铃薯产量和效益的影响

杨封科,何宝林,董博,王立明

Effects of Black Film Mulched Ridge-Furrow Tillage on Soil Water- Fertilizer Environment and Potato Yield and Benefit Under Different Rainfall Year in Semiarid Region

YANG FengKe,HE BaoLin,DONG Bo,WANG LiMing

图5 马铃薯生育时期0—200 cm土层土壤平均含水量 SW：播种期;SD：出苗期; BD：现蕾期;FL：开花期;TB：结薯期;MT成熟期。同列不同字母表示差异显著（P<0.05）。下同

Fig. 5 Average soil water content in 0-200 cm soil profile at the key growth stages of potato during 2016-2018 SW: Sowing; SD:Seedling; BD: Budding; FL: Flowering; TB: Tuberization; MT: Maturing. Different letters in the same column mean significant difference at 0.05 level. The same as below