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宁南山区旱地玉米 ,采取覆膜沟穴播种植 ,施肥水平为 N150 P150 ,并选用旱地宝+锌肥 +锰肥浸种可获得最高的产量和最大的水分利用效率 ;覆膜沟穴播比覆膜穴播增产7.75% ,水分利用效率提高 5.1个百分点
Nongnian mountain area of dry land maize, take the sowing ditch sowing, fertilization level N150 P150, and the selection of dry land Po + zinc fertilizer + manganese fertilizer soaking can get the highest yield and maximum water use efficiency; 7.75% increase in water use efficiency by 5.1 percentage points