plastic membrane mulching

The yield of water-permeability plastic membrane mulching increase 32.66%. soil water efficiency increase 41.9%,water-permeability plastic membrane is the best way which increase yield and water use efficiency on the semi-arid region of western Liaoning province.
结果表明,不同覆盖处理均可以不同程度的增加玉米产量和水分利用效率,其中渗水地膜覆盖能使玉米产量增加32.66%,土壤水分利用效率提高41.9%,说明渗水地膜覆盖是辽西风沙半干旱区提高玉米产量和水分利用效率的最佳方式。