宽地膜覆盖对土壤温度有明显的正效应。
Wide plastic film mulch has demonstrated obvious positive effect on soil temperature.
抢早育苗地膜覆盖，提早上市，经济效益十分显著。
Rob early seedling mulching film, early listed, and the economic benefit is remarkable.
抢早育苗地膜覆盖，提早上市，经济效益十分显著。
Rob early seedling mulching film, early listed, and the economic benefit is remarkable.
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