填埋场陈垃圾对黄瓜种子发芽的影响

生态学杂志 ›› 2012, Vol. 31 ›› Issue (08): 2125-2130.

填埋场陈垃圾对黄瓜种子发芽的影响

刘斌^**,彭绪亚,吴桂菊,张千,刘国涛

（重庆大学三峡库区生态环境教育部重点实验室，重庆 400045）

出版日期:2012-08-10 发布日期:2012-08-10

Effects of aged wastes from landfill on seed germination of Cucumis sativus L.

LIU Bin, PENG Xu-ya, WU Gui-ju, ZHANG Qian, LIU Guo-tao

(Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

Online:2012-08-10 Published:2012-08-10

摘要/Abstract

摘要： 陈垃圾资源化利用是生态环保领域的一个重要问题。选择黄瓜作为试验对象，向培养基质中添加比例为20%～80%和100%的陈垃圾，与使用蒸馏水和土壤的处理进行对比，采用种子发芽的陆生生态毒理方法，研究陈垃圾对植物发芽的影响。结果表明：稳定后的陈垃圾有利于黄瓜种子发芽，而未产生毒性效应；陈垃圾在培养基质中的最佳比例为80%，与蒸馏水和土壤相比，此时发芽势分别提高了12.8%和7.6%，发芽率分别提高了11.3%和7.2%，根长芽长和芽的鲜重分别比使用蒸馏水时增加了177.6%、44.9%和143.4%，比使用土壤时增加了49.0%～28.4%和72.4%。研究结果可为陈垃圾的资源化利用提供借鉴。

关键词: 浅耕, 秸秆还田, 土壤钾素, 层化比率, 冬小麦-夏玉米轮作体系, 关中平原

Abstract: To properly utilize aged waste resources is an important issue in ecoenvironmental protection. In this study, 20%, 80%, and 100% of aged wastes from landfill were added to culture medium to investigate their ecotoxicity on the seed germination of Cucumis sativus, with distilled water and soil as the contrasts. The wastes could substantially improve the seed germination of C. sativus, and didn’t show any toxic effect. The optimal proportion of the wastes in the medium was 80%. In this case, the seed germination potential was increased by 12.8% and 7.6%, and the seed germination rate was increased by 11.3% and 7.2%, as compared with those in distilled water and soil substrate, respectively. The aged wastes could also promoted the growth of root and sprout markedly. In the medium with 80% of aged wastes, the root length, sprout length, and sprout fresh weight were increased by 177.6% and 49.0%, 44.9% and 28.4%, and 143.4% and 72.4%, as compared with those in distilled water and soil substrate, respectively. These results suggested that land application of the aged wastes from landfill could be a feasible approach for the recycling of the aged waste resources.

Key words: shallow tillage, straw returning, soil potassium, stratification ratio, winter wheat/summer maize rotation system, Guanzhong Plain.

刘斌**,彭绪亚,吴桂菊,张千,刘国涛. 填埋场陈垃圾对黄瓜种子发芽的影响[J]. 生态学杂志, 2012, 31(08): 2125-2130.

LIU Bin, PENG Xu-ya, WU Gui-ju, ZHANG Qian, LIU Guo-tao. Effects of aged wastes from landfill on seed germination of Cucumis sativus L.[J]. cje, 2012, 31(08): 2125-2130.

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