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首页> 外文期刊>Journal of Applied Polymer Science >Fluid biomulching based on poly(vinyl alcohol) and fillers from renewable resources
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Fluid biomulching based on poly(vinyl alcohol) and fillers from renewable resources

机译：基于聚乙烯醇和可再生资源填料的液体生物覆盖

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This article reports on the results obtained in an investigation on the application of biodegradable polymeric materials in the agricultural practice of mulching. Particular attention has been devoted to the effect of biobased mulching films generated in situ by low-pressure spraying of polymeric water dispersions on the various cultivars. In a field trial, the effectiveness of the hydromulching (hquid-mulching) technique was assessed by the monitoring of the growth and yield of lettuce and corn, which were used as reference plants. Conventional plastic films and straw mulching (SM) were compared with liquid-mulching treatments based on poly(vinyl alcohol) and natural fillers derived from agroindustrial wastes (sugar cane bagasse, wheat flour, saw dust, and wheat straw). An improvement of the biomass yield of the two selected plants with respect to conventional polyethylene mulching was attained in various liquid-mulching formulations with positive effects on the maintenance of soil structure. Alternative fluid-mulching treatments based on biodegradable components were effective in preserving soil aggregates and improving some crop growth parameters. (c) 2007 Wiley Periodicals, Inc.
机译：本文报告了在可生物降解的聚合物材料在农用覆盖实践中的应用研究中获得的结果。特别注意的是通过在各种栽培品种上低压喷涂聚合物水分散体就地产生的生物基覆盖膜的效果。在田间试验中，通过监测用作参考植物的生菜和玉米的生长和产量来评估加水覆盖（水覆盖）技术的有效性。将传统的塑料薄膜和秸秆覆盖（SM）与基于聚乙烯醇和农业工业废料（甘蔗渣，小麦粉，锯末和小麦秸秆）衍生的天然填料的液体覆盖处理进行了比较。在各种液体覆盖配方中，相对于传统的聚乙烯覆盖，两种植物的生物量产量均有所提高，对维持土壤结构具有积极作用。基于可生物降解成分的替代性地膜覆盖处理有效地保存了土壤团聚体并改善了一些作物生长参数。 （c）2007年Wiley Periodicals，Inc.

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