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The plastic mulching irrigation is an important technique in dryland farming, which can increase temperature and conserve soil moisture.
地膜覆盖具有增温和保墒的作用，是旱作农业的一项重要技术。
The results showed that rice tillers in GCRPS were earlier and more than that of normal paddy rice, plastic mulching better than that of straw mulching.
结果表明，覆盖旱种水稻分蘖早，分蘖多，其中覆膜的效果优于覆草。
But by afforestation on the spot, the results showed that the survival rate of litter mulching and stone mulching is higher than that of plastic mulching.
但实地人工造林试验证明，石面及枯枝落叶覆盖下存活率很高，而薄膜覆盖较差。
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