【摘要】 以‘鄂棉15号’、‘西玉3号’和‘鄂豆4号’为材料,对覆膜与不覆膜2种种植方式进行了对比。通过2005～2007年3年的试验,结果表明,地膜覆盖在生育前期能提高土壤温度和保持土壤湿度,在旺盛生育期有降温效应,因而能显著提高作物产量。为进一步推广地膜覆盖栽培作物提供了农业气象依据。更多还原

【Abstract】 The experiment was conducted in two different patterns(film-covering and non film-covering) with E-15cotton,West-3 maize,E-4 soybean during 2005～2007. The result showed that film-covering could obviously increase crop yield because it can rise soil temperature in earlier growing stage,but cool down the temperature in blooming stage,and keep soil humidity. The conclusion will provide agro-meteorolgoical basis for popularizing farther crop cultivation with covering.更多还原