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通过对普通地膜及三种不同降解期光降解膜的效应试验表明 ,用降解期为 70、90d的光降解地膜覆盖花生 ,既可达到普通地膜的保温、保湿、增产效果 ,又能减轻田间残膜的污染
The experiments on the effects of common film and three kinds of photodegradation films at different degradation stages showed that using light-degrading film with 70 and 90 days degradation time could not only achieve the heat preservation, moisturization and yield enhancement of ordinary film, but also reduce the residual Membrane contamination