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1 黑膜垄作马铃薯0—30 cm 土层土壤养分含量（2018）

Table 1 Soil nutrients content in 0-30 cm soil profile under black film mulched ridge-furrow tillage in 2018

处理 Treatments SOC (g·kg-1) TN (g·kg-1) TP (g·kg-1) TK (g·kg-1) AN (mg·kg-1) AP (mg·kg-1) AK (mg·kg-1) BHRF 9.5±0.1a 0.94±0.02a 0.84±0.02a 23.5±0.5a 119.5±4.5a 33.5±1.2a 266.7±10.1a BMRF 9.5±0.1a 0.94±0.01a 0.84±0.01a 23.3±0.2a 120.3±5.9a 32.6±1.7a 256.7±9.9a BLRF 9.4±0.1a 0.93±0.03a 0.83±0.03a 23.0±0.2ab 110.1±2.7b 31.6±2.6a 253.0±8.7a WRF 9.4±0.1a 0.89±0.01b 0.81±0.01a 22.2±0.6b 101.6±2.9c 27.4±0.8b 235.3±6.8b