Using biodegradable films are an efficient approach to reduce the white pollution by traditional plastic film which could remain in soils for hundred years.The degradation characteristics of biodegradable mulch films and its effect on the growth of maize were analyzed and tested.The results indicated that:(1) The degradation percentage of biodegradable mulch films was 1.26% within 60 days and 1.91% within 100 days respectively,and the remained film degraded greatly afterward.(2) No obvious difference has be...
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