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目前,许多农户正忙于购买地膜,却苦于掌握不好数量,下面这个计算公式可供参考。地膜用量=地膜比重×覆盖田面积×地膜厚度×覆盖度该式中,地膜用量单位为公斤;当前市场上供应的主要是聚乙烯膜,比重为0.91;覆盖田面积要折算成平方米:地膜厚度,高
At present, many farmers are busy buying the film, but suffer from a bad quantity, the following formula is for reference. The amount of plastic film = the proportion of plastic film × covered by the field × the thickness of the plastic film × coverage In this type, the amount of film in kilograms; the current market supply is mainly polyethylene film, the proportion of 0.91; covered field area to be converted into square meters: Thickness, high