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利用一熟棉田冬闲阶段的时、空、光、热资源种植冬牧７０黑麦，不但能充分提高土地生产力，还能很快地提高土壤有机质，并能取得很高的经济效益。
The use of air, light and heat resources to grow winter grasses 70 rye can not only fully improve land productivity, but also improve soil organic matter quickly and achieve high economic benefits.