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- For plastic mulch film fanwei extrcting protrudent polyoxypropylene bi-directional films (BOPP), polyvinyl chloride (PVC)--BOPP's preferences. 用于覆膜的薄膜主要有双向抽伸丙烯薄膜（BOPP）、聚氯乙烯（PVC）等，其中以BOPP薄膜的应用最为广泛。
- agricultural plastics mulching film 地膜
- In the use of plastic mulch for BOPP film at prbroin gelatinize. 在使用拉伸聚丙烯薄膜覆膜时，必须在膜上涂胶。
- plastic mulching film 地膜
- Plant Black plastic mulch can help keep them warm. 黑色塑料护盖物能帮助保暖。
- agricultural plastics mulching films 农用薄膜
- Black plastic mulch can help keep them warm. 用黑塑料护根能帮助它们保持温暖。
- Black mouch plastic mulch can help keep them warm. 黑色塑料盖膜能够起到保暖作用。
- Black pasticmoch plastic mulch can help keep them warm, better . 黑色的塑料根篱能帮助它们保持温暖。
- This paper selects four mulching film including of violet,white,blue thin film and blue thick film to compare their effect of cover cultivate. 选用紫色、白色、蓝色薄膜及蓝色厚膜 4种地膜对两葡萄品种里扎马特、凯然诺尔进行覆盖栽培。
- Effects of plastic mulch on early and total yields of watermelon and muskmelon are presented （Table 2）. 表1阐明了塑料薄膜覆盖对西瓜和甜瓜的早期产量和总产量的影响。
- This paper proposed the development and the application of degradable mulching film which is a effective way to solve the white pollution. 降低土壤渗透性、减少土壤含水量、削弱耕地抗旱能力,造成农作物减产,破坏自然景观和造成环境污染。
- Plastic mulch increases soil temperature in the bed which promotes faster crop development and earlier yields. 塑料薄膜覆盖提高苗床的土壤温度，促进作物较快发育并提早成熟。
- In any case,the use of degradable mulching film is a good way to solve the problem of "white pollution" and promises a wide market foreground. 但是可降解地膜无疑是解决"白色污染"较有效的途径,具有广阔的市场前景。
- Production systems utilizing plastic mulch involve additional input costs over traditional non-plastic systems. 应用塑料薄膜覆盖的生产体系要比传统非塑料薄膜覆盖体系多投入资金。
- Plastic mulching made the increasing action of soil microorganism to fertilizers more remarkably. 长期地膜覆盖可使土壤微生物对肥料固作用更加明显。
- The purification and the granulation of recycled PE film or packing bag and the processing condition of preparing mulch film were presented. 介绍了废旧PE薄膜或包装袋净化、造粒方法及其与新料共混生产地膜的工艺条件,所得再生PE地膜的指标符合国家标准。
- Field experiments were carried out to study the effects of drip irrigation under mulch film (DIUMF) on soil ecology environment and growth of cotton. 摘要通过田间试验研究了膜下滴灌对棉田生态环境状况及棉花生长发育及产量形成的影响。
- Effects of plastic mulch on early and total yields of watermelon and muskmelon are presented (Table 2) . 表1阐明了塑料薄膜覆盖对西瓜和甜瓜的早期产量和总产量的影响。
- The covering areas of the mulching film did not reduce,the light transmittance did not lower down,however the cost decreased and good economic benefit could obtain. 地膜在应用过程中覆盖面积没有减少,透光率未降低,成本降低,具有较好的经济效益。
