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为防止地面水分蒸发,保持土壤湿度和降低空气相对湿度,降低病害发生率,减少棚膜底面水滴形成而提高棚膜透光性,过去冬暖式大棚内地面处理多采取全膜覆盖的办法。这里所说的草可以是田间杂草,也可以是秸秆柴草。经过试验对比,“全草覆盖”比“全膜覆盖”有以下五方面的好处。1.降低投资由于农村杂草、秸秆柴草原料广泛,甚至有的地方再利用困难,已成为“农业
In order to prevent evaporation of ground water, maintain soil moisture and reduce the relative humidity of air, reduce the incidence of diseases and reduce the formation of droplets on the bottom of greenhouse film and improve the translucency of greenhouse film. Grass here can be field weeds, straw can also be straw. After the test comparison, ”whole grass cover “ than ”full film cover “ has the following five benefits. 1. Reduce investment due to rural weeds, straw straw raw materials are widely available, and even some local difficulties in re-use, has become ”agriculture