密度和施肥对旱地马铃薯干物质积累、产量和水肥利用的影响

柳燕兰, 郭贤仕, 张绪成, 马明生, 王宏康

Effects of planting density and fertilization on dry matter accumulation, yield and water-fertilizer utilization of dryland potato

LIU Yan-Lan, GUO Xian-Shi, ZHANG Xu-Cheng, MA Ming-Sheng, WANG Hong-Kang

表1 不同栽培模式的种植密度和肥料用量

Table 1 Plant density and fertilizer application under different cultivation and management patterns

栽培模式 Cultivation pattern 缩写 Abbreviations 覆盖方式 Coverage style 密度 Density (plant hm-2) 肥料种类及用量 Fertilizer type and dosage (kg hm-2) N P2O5 K2O 羊粪 Sheep manure 农户栽培 Farmer mode cultivation CK 露地平作 Flat planting without plastic mulching 45,000 120 75 0 0 高产高效栽培 High yield and efficiency cultivation YE 全膜覆盖垄沟种植 Ridge-furrow planting with plastic mulching 60,000 150 90 120 45,000 超高产栽培 Higher yield cultivation HY 全膜覆盖垄沟种植 Ridge-furrow planting with plastic mulching 67,500 210 120 150 45,000