银川市废旧农膜回收利用现状及对策
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摘要
近年来,银川市始终按照着力转变农业资源利用方式来加快现代农业发展,2018年银川市废旧农膜回收利用率达到了80.91%,较大程度上解决了"白色污染"的问题,对推进"生态立市"战略起到了较好的作用。文章根据银川市废旧农膜回收现状,分析了废旧农膜回收存在成本高、难度大、加工企业规模小、资源化利用水平低等亟待解决的问题,提出了更为直接有效的措施,以保障废旧农膜回收和资源化利用,进一步推动现代农业绿色、可持续发展。
In recent years, Yinchuan has always adapted the use of agricultural resources to accelerate the development of green agriculture. Some successful experiences in agricultural film recycling have been formed. The recovery rate of agricultural film has reached 80.91%, which has solved the problem of agricultural film pollution. The improvement of the ecological environment has played a good role in promoting, and its practices and experiences have demonstrated the value of demonstration and promotion. However, there are still high cost and difficulty in recycling of used agricultural film, small scale of processing enterprises, and low utilization level of resources. In order to solve the problems, more direct and effective measures are needed to ensure the recovery and resource utilization of agricultural film, so as to promote the sustainable development of agriculture.
In recent years, Yinchuan has always adapted the use of agricultural resources to accelerate the development of green agriculture. Some successful experiences in agricultural film recycling have been formed. The recovery rate of agricultural film has reached 80.91%, which has solved the problem of agricultural film pollution. The improvement of the ecological environment has played a good role in promoting, and its practices and experiences have demonstrated the value of demonstration and promotion. However, there are still high cost and difficulty in recycling of used agricultural film, small scale of processing enterprises, and low utilization level of resources. In order to solve the problems, more direct and effective measures are needed to ensure the recovery and resource utilization of agricultural film, so as to promote the sustainable development of agriculture.
引文
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[2]KO NG S F,JI Y Q,LIU L L,et al.Diversities of phthalate esters in suburban agricultural soils and wasteland soil appeared with urbanization in China[J].Environmental Pollution,2012,170:161-168
[3]马婷婷.典型设施农业区土壤中酞酸酯污染、风险及生物修复研究[D].北京:中国科学院,2012.
[4]LI J,ZIVANO VIC S,DAVIDSO N P M,Kitb K.Production and characterization of thick,thin and ultra-thin chitosan/PEO films[J].Carbohydrate Polymers,2011,83(2):375-382.
[5]周文春.环保型麻纤维纸地膜的研究开发分析[J].中国麻业,2002,24(2):22-25.
[6]张海莲,常蕊芹,张莲晓,等.腐植酸多功能可降解液态地膜在棉田中的应用研究[J].腐植酸,2007(1):40-46.
[7]张鸿超.秸秆纤维地膜覆盖栽培对土壤环境和作物生长发育的影响[D].哈尔滨:东北农业大学,2017.