空心菜对入星云湖河水的净化及其生物产出分析.pdf
2015,34(2):370-376农业环境科学学报2015年2月Journal of Agro-environment Science空心菜对入星云湖河水的净化及其生物产出分析杨绍聪,吕艳玲,沐婵,张艳军,钱荣青,李晓亮,李泉清(云南省玉溪市农业科学院,云南玉溪653100摘要:为充分开发利用人星云湖河水的N、P等营养资源,降低其富营养化水平,改善和保护星云湖生态系统,于2010-2013年采用微区试验与大区试验相结合、静态试验与动态试验相结合的方法,研究了漂浮空心菜( Ipomoea aquatica)对入星云湖河水净化及其生物产出的规律。结果表明:漂浮空心菜对入湖河水具有较好的水质净化效应,静态条件下空心菜对入湖河水全N、水溶性P的去除率高达90%以上,动态条件下则达50%左右,空心菜吸收入溯河水N、P、K的量分别平均为348.4、50.9、530.4kghmr2a2,日.其绝大部分被空心菜的素叶吸收(占930%,为864.5kg?hm2a-)。空心菜对入渤河水的净化量,以水溶性N计平均为27321mhm2a,以水溶性P计平均为67569m3hm2a;空心菜的生长主要依赖入湖河水中N、P等营养物质(两者呈正相关),通过蒸大量吸收并同化入湖河水中的N、P等养分后,空心菜获得了较高的茎叶生物产出量(占909%,鲜重量平均为112032.0kghma-)。利用人星云溯河水漂浮种植空心菜,产生了明显的生态效希和经济效益。关键词:室心菜;浮床;星云湖;入湖河水;浄化效果;生物产出中图分类号:X173文献标志码:A文章编号:1672-2043(2015)02-0370-07cdoi:10.1654/jae.2015.02.022Water Purification and Productivity of Ipomoea aquatica Grown on River Water Flowing to Xingyun Lake inYunnan ProvinceYANG Shao-cong, LU Yan-ling, MU Chan, ZILANG Yan-jun, QIAN Rong-ing, LI Xiao-liang, LI Quan-qing(Yuxi Academy of Agricultural Sciences, Yunnan Province, Yuxi 653100. ChinaAbstract: Purilicalion of eul rophic waler by aquatic planis is an ecological praclice widely used in reeenl years. To make use of N and P resources in river waler flowing Lo Xingyun Lake in Yunnan Province, lo reduce the lake eutrophication and Lo prolect the lake ecosystem, miero-plol Trials, muacro-plol Trials, slalie trials and dynamic Trials were carried oul Irom 2010 Lo 2013. The purification effectiveness and productivity of pomoea ag uatic grown in floating-beds on river water were stuied. Results showed that Ipomoea aquatica had a high purifica-tion effectiveness. Under static conditions. removal rates of total N and water-soluble P by Ipomoea aquatica from river water were greaterthan 90%, while the rales were aboul 50% under dynamic conditions. Average amount of N. P, and K absorption by Ipomoea aquatica inriver waler was 3484 kg.a,50.9 kg. and 530.4 kghm.a, respectivcly. Most o Ihese mulrienls(930%)were cumula-ed in the stems and leaves of Ipomoea aquatica. Average amount of river water purified by ooen aquetica caleulated by water-solunhle Nand water-soluble P was 27 321 m. 2 a and 67569 m. a respectively. The owth of pomoea c was positively corelated with N and P concentrations in the river water, and average fresh weight of stems and leaves was up to 112032.0 kghm.a. Thereforeil is obvious Ihal growing pomoea uuid in loaling-bed on river waler nol only improves waler quality in Xingyun I ake, bul also providessiornificaant economic benefitsKeywords: pomoea ag uatic: floating-bed ingyun Lake; river water flowing to lake; purification effectiveness; productivity星云湖为云南九大高原湖泊之一,位于云南省江m,平均水深7m,容水量1.84亿m星云湖水质的川县城东北,东经10245,北纬2417,海拔1722変劣主要是源于人类多方面的活动心扰,其中个重要的人为干扰当数20世纪80年代中后期迅速发展收稿日期:2014-07-14的溯岸鱼塘及溯中网箱养鱼业。由于鱼饲料中丰富基金项目:玉溪市农业科学院重大科技项日(2011wnk01)作者简介:杨绍聪(1952-)男,研究员、要从事植物营养、施肥与农的N、P等营养以及在养殖过程中大量的粪便残佴等业环境研究。F-mail:1.38877507600163.com废物直接进入养殖水域,増加了水中有机物的含量以
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2015,34(2):370-376
农业环境科学学报
2015年2月
Journal of Agro-environment Science
空心菜对入星云湖河水的净化及其生物产出分析
杨绍聪,吕艳玲,沐婵,张艳军,钱荣青,李晓亮,李泉清
(云南省玉溪市农业科学院,云南玉溪653100
摘要:为充分开发利用人星云湖河水的N、P等营养资源,降低其富营养化水平,改善和保护星云湖生态系统,于2010-2013年
采用微区试验与大区试验相结合、静态试验与动态试验相结合的方法,研究了漂浮空心菜( Ipomoea aquatica)对入星云湖河水净化
及其生物产出的规律。结果表明:漂浮空心菜对入湖河水具有较好的水质净化效应,静态条件下空心菜对入湖河水全N、水溶性P
的去除率高达90%以上,动态条件下则达50%左右,空心菜吸收入溯河水N、P、K的量分别平均为348.4、50.9、530.4kg·hmr2a2,日.
其绝大部分被空心菜的素叶吸收(占930%,为864.5kg?hm2a-)。空心菜对入渤河水的净化量,以水溶性N计平均为27321m
hm2a,以水溶性P计平均为67569m3hm2a;空心菜的生长主要依赖入湖河水中N、P等营养物质(两者呈正相关),通过蒸
大量吸收并同化入湖河水中的N、P等养分后,空心菜获得了较高的茎叶生物产出量(占909%,鲜重量平均为112032.0kg·hm
a-)。利用人星云溯河水漂浮种植空心菜,产生了明显的生态效希和经济效益。
关键词:室心菜;浮床;星云湖;入湖河水;浄化效果;生物产出
中图分类号:X173文献标志码:A文章编号:1672-2043(2015)02-0370-07cdoi:10.1654/jae.2015.02.022
Water Purification and Productivity of Ipomoea aquatica Grown on River Water Flowing to Xingyun Lake in
Yunnan Province
YANG Shao-cong, LU Yan-ling, MU Chan, ZILANG Yan-jun, QIAN Rong-ing, LI Xiao-liang, LI Quan-qing
(Yuxi Academy of Agricultural Sciences, Yunnan Province, Yuxi 653100. China
Abstract: Purilicalion of eul rophic waler by aquatic planis is an ecological praclice widely used in reeenl years. To make use of N and P re
sources in river waler flowing Lo Xingyun Lake in Yunnan Province, lo reduce the lake eutrophication and Lo prolect the lake ecosystem, mi
ero-plol Trials, muacro-plol Trials, slalie trials and dynamic Trials were carried oul Irom 2010 Lo 2013. The purification effectiveness and pro
ductivity of pomoea ag uatic grown in floating-beds on river water were stuied. Results showed that Ipomoea aquatica had a high purifica-
tion effectiveness. Under static conditions. removal rates of total N and water-soluble P by Ipomoea aquatica from river water were greater
than 90%, while the rales were aboul 50% under dynamic conditions. Average amount of N. P, and K absorption by Ipomoea aquatica in
river waler was 3484 kg.a,50.9 kg.. and 530.4 kghm.a, respectivcly. Most o Ihese mulrienls(930%)were cumula-
ed in the stems and leaves of Ipomoea aquatica. Average amount of river water purified by ooen aquetica caleulated by water-solunhle N
and water-soluble P was 27 321 m. 2 a and 67569 m. a respectively. The owth of pomoea c was positively corelat
ed with N and P concentrations in the river water, and average fresh weight of stems and leaves was up to 112032.0 kghm.a. Therefore
il is obvious Ihal growing pomoea uuid in loaling-bed on river waler nol only improves waler quality in Xingyun I ake, bul also provides
siornificaant economic benefits
Keywords: pomoea ag uatic: floating-bed ingyun Lake; river water flowing to lake; purification effectiveness; productivity
星云湖为云南九大高原湖泊之一,位于云南省江m,平均水深7m,容水量1.84亿m』星云湖水质的
川县城东北,东经10245',北纬24°17,海拔1722変劣主要是源于人类多方面的活动心扰,其中ー个重
要的人为干扰当数20世纪80年代中后期迅速发展
收稿日期:2014-07-14
的溯岸鱼塘及溯中网箱养鱼业。由于鱼饲料中丰富
基金项目:玉溪市农业科学院重大科技项日(2011wnk01)
作者简介:杨绍聪(1952-)男,研究员、キ要从事植物营养、施肥与农的N、P等营养以及在养殖过程中大量的粪便残佴等
业环境研究。F-mail:1.38877507600163.com
废物直接进入养殖水域,増加了水中有机物的含量以
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