Wang Feng-xin, Kang Yuehu, Liu Shiping
Abstract
田间对照试验研究薄膜覆盖对滴灌土壤水分分布与消散过程及滴灌和沟灌马铃薯生长的影响结果表明,马铃薯生长前期覆膜能明显减少表层土壤蒸发,并使表层土壤维持较高的含水量.马铃薯生长中后期蒸腾作用占主导地位,覆膜对减少表层土壤蒸发作用较小.气温较高时覆膜对马铃薯生长产生明显抑制作用.
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田间对照试验研究薄膜覆盖对滴灌土壤水分分布与消散过程及滴灌和沟灌马铃薯生长的影响结果表明,马铃薯生长前期覆膜能明显减少表层土壤蒸发,并使表层土壤维持较高的含水量.马铃薯生长中后期蒸腾作用占主导地位,覆膜对减少表层土壤蒸发作用较小.气温较高时覆膜对马铃薯生长产生明显抑制作用.
Key concepts: Drip irrigation, Surface irrigation, Mulch, Plastic mulch, Irrigation, Agronomy, Environmental science, Low-flow irrigation systems