种养结合模式对池塘养殖尾水的循环利用效果

doi:10.14088/j.cnki.issn0439-8114.2019.03.009

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (3): 34-37.doi: 10.14088/j.cnki.issn0439-8114.2019.03.009

种养结合模式对池塘养殖尾水的循环利用效果

陶玲, 李晓莉, 宋超峰, 彭亮, 代梨梨, 李谷

中国水产科学研究院长江水产研究所,武汉 430223

收稿日期:2019-07-30 出版日期:2019-02-10 发布日期:2019-11-29
通讯作者: 李谷,男,湖北公安人,研究员,主要从事池塘生态工程研究,（电子信箱）ligu667@aliyun.com。
作者简介:陶玲（1981-）,女,四川什邡人,助理研究员,主要从事池塘生态养殖研究,（电话）18602730656（电子信箱）taolingcjs@yfi.ac.cn
基金资助:
“十二五”国家科技支撑计划项目（2015BAD13B03）; 现代农业产业技术体系建设专项（CARS-45-22）

Recycling Efficiency of Aquaculture Wastewater under Agriculture-Aquacultue Integrated Model

TAO Ling, LI Xiao-li, SONG Chao-feng, PENG Liang, DAI Li-li, LI Gu

Yangtze River Fisheries Research Institute,Chinese Academy of Fishery Sciences,Wuhan 430223,China

Received:2019-07-30 Online:2019-02-10 Published:2019-11-29

摘要/Abstract

摘要： 采用小试测坑试验研究了池塘养殖尾水中氮、磷营养物质在莲藕（Nelumbo nucifera Gaertn）和茭白（Zizania aquatica L.）两种水生经济植物种植中的消减和循环利用效果。结果显示,表面流运行方式下,两种植物种植测坑出水中溶解氧均显著升高且水温显著降低;两种植物种植测坑对养殖尾水中NO₂^--N、NH₄⁺-N、总氮、总磷及高锰酸盐指数（COD_Mn）去除率分别达到11.30%~26.27%、8.30%~26.60%、1.87%~20.60%、10.79%~19.70% 和23.00%~30.65%,且随着水力负荷增加,莲藕和茭白种植测坑对总氮的去除效果均显著降低。利用莲藕和茭白对池塘养殖尾水进行循环利用,使池塘养殖尾水中的养分和水分得到双重循环利用,是降低水产养殖污染排放和改善池塘养殖环境的有效方法和途径。

关键词: 池塘养殖, 水生植物, 物质循环利用, 种养结合

Abstract: The nutrient recycling effects of two economic aquatic plant lotus（Nelumbo nucifera Gaertn） and water bamboo （Zizania aquatica L.） on nitrogen and phosphorus nutrient of aquaculture wastewater were studied based on the testing-hole experiment. The results showed that under surface flow operation, the dissolved oxygen in the outflow of both water bamboo planted testing-hole and lotus planted testing-hole significantly increased, meanwhile the water temperature in the outflow significantly decreased. The removal rate of the planted testing-hole for NO₂^--N,NH₄⁺-N,TN（total nitrogen）,TP（total phosphorus） and COD_Mn reached by 11.30%~26.27%,8.30%~26.60%,1.87%~20.60%,10.79%~19.70% and 23.00%~30.65% respectively. The removal efficiency of lotus and water bamboo cultivated testing-hole for TN significantly decreased with the increasing hydraulic loading rate. Ex-situ treatment of aquaculture wastewater by lotus and water bamboo plantation is an effective way for improving the pond environment and reducing wastewater discharge by recycling water and nutrients in the aquaculture wastewater.

Key words: pond aquaculture, aquatic plants, nutrient recycle, agriculture-aquacultue integration

中图分类号:

陶玲, 李晓莉, 宋超峰, 彭亮, 代梨梨, 李谷. 种养结合模式对池塘养殖尾水的循环利用效果[J]. 湖北农业科学, 2019, 58(3): 34-37.

TAO Ling, LI Xiao-li, SONG Chao-feng, PENG Liang, DAI Li-li, LI Gu. Recycling Efficiency of Aquaculture Wastewater under Agriculture-Aquacultue Integrated Model[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(3): 34-37.

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种养结合模式对池塘养殖尾水的循环利用效果

Recycling Efficiency of Aquaculture Wastewater under Agriculture-Aquacultue Integrated Model

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