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

表3 黑膜垄作对马铃薯产量、水分利用效率、耗水量、效益和产投比的影响

Table 3 Effects of black film mulched ridge-furrow tillage on the yield, water use efficiency (WUE), water consumption (ET), economic benefits and input/output ratio of potato

年份 Year 处理 Treatments 产量 Yield (kg·hm-2) 水分利用效率 WUE (kg·hm-2·mm-1) 耗水量 ET (mm) 效益 Economic benefits (yuan) 产投比 Input-output ratio 2016 BHRF 31021±1517ab 90.8±4.5ab 341.0±0.0a 20924±1668ab 2.6±0.1b BMRF 32953±1611a 97.5±4.8a 338.0±0.1b 23349±1772a 2.8±0.1a BLRF 33147±1621a 98.7±4.9a 335.7±0.2b 23562±1783a 2.8±0.1a WRF 29335±906b 86.1±3.5b 340.7±o.1a 19368±996b 2.5±0.08b 2017 BHRF 39408±1832a 102.3±4.6a 385.2±0.6a 30149±2015a 3.3±0.2ab BMRF 40279±1872a 105.1±4.7a 383.6±0.6b 31407±2060a 3.4±0.2a BLRF 40376±1877a 105.3±4.7a 383.6±0.6b 31514±2065a 3.4±0.2a WRF 35170±1139b 95.2±4.3b 383.3±0.8b 26887±1253b 3.1±0.1b 2018 BHRF 64544±2304a 144.9±6.3a 445.4±3.5b 57799±2535a 5.4±0.2a BMRF 64159±2290a 144.8±6.3a 443.2±3.5b 57675±2519a 5.5±0.2a BLRF 63774±2277a 144.9±6.3a 440.2±3.6c 57252±2504a 5.4±0.2a WRF 48288±1724b 107.8±4.4b 450.5±2.2a 40217±1896b 4.1±0.2b 平均 Average BHRF 44991±823a 112.7±2.4a 390.5±1.4b 36290±905a 3.7±0.1b BMRF 45797±840a 115.8±2.5a 388.3±1.4b 37477±924a 3.9±0.1a BLRF 45766±838a 116.3±2.5a 386.5±1.5c 37442±922a 3.9±0.1a WRF 38486±653b 97.6±2.1b 390.8±2.1a 29435±718b 3.3±0.1c