论文部分内容阅读
[目的]研究全生物降解膜的田间应用效果,为其在南方马铃薯种植上大面积推广提供数据支持。[方法]通过田间小区试验,研究了地膜的降解失重率以及使用全生物降解膜对马铃薯产量及农艺性状的影响。[结果]马铃薯种植使用全生物降解地膜、普通黑膜的出苗率分别比露地种植高出9.71和9.27个百分点;产量分别增加30.84%和36.81%,增产效果明显。同时,在马铃薯收获期,全生物降解地膜已基本破碎,降解失重率达到58.62%,在田间一段时间后可完全降解,不影响下茬作物的生长。[结论]全生物降解地膜增产效果显著,降解失重率高,综合效益好,具有广泛的应用前景。
[Objective] The research aimed to study the field application effect of biodegradable film and provide data support for the large-scale popularization of potato in southern China. [Method] The degradation rate of mulching film and the effect of using biodegradable film on the yield and agronomic traits of potato were studied in field plot experiment. [Result] The germination rate of all-biodegradable mulching film and common black film were 9.71% and 9.27% higher than that of open-field mulching. The yield increased by 30.84% and 36.81% respectively, and the yield was obviously increased. At the same time, during the harvest period of potato, the biodegradable plastic film has been basically broken, the rate of weight loss and degradation is 58.62%, and can be completely degraded after a period of field without affecting the growth of the next crop. [Conclusion] All biodegradable mulching film had a significant yield increasing effect, high rate of weight loss and degradation, good comprehensive benefit and broad application prospect.