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选择优种 覆盖地膜能够提高土壤温度,增强保墒能力,提高肥料利用率。花生根系发达,对养分的吸收利用率高,所以花生增产较为显著。为提高种植效益,地膜覆盖栽培应选择增产潜力较大、产量较高、抗病性强 ...
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