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2016 | 25 | 1 |
Tytuł artykułu

Field experiments on reducing pollutants in agricultural-drained water using soil-vegetation buffer strips

Autorzy
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Agricultural drainage is one of the leading contributors to agricultural non-point source (AGNPS) pollution in China. It is difficult to treat due to its dispersed nature. In recent years, although agricultural drainage water has been reused in agricultural production, its poor quality has limited its potential utilization. To optimize its reuse, we designed and tested a treatment system for agricultural-drained water compromising a vegetation buffer, slopes (plant filter), a water collection area, and a soil-retention wall in Hengxi town, Nanjing, Jiangsu Province, China. By exploiting the soil-vegetation buffer strips, nitrogen and phosphorus in the paddy field’s surface drainage are expected to be reduced dramatically. Test results suggest that after applying basal fertilizer, the removal rates of total nitrogen by the soil-vegetation buffer strips are 90.6% and 95.2% for controlled and conventional irrigation-drainage treatments, respectively. In addition, the removal rates of dissolved nitrogen are 92% and 90.7% (controlled and conventional), the removal rates of total phosphorus are 94.2% and 92.9%, and for dissolved phosphorus, the rates are 94.4% and 95%, respectively. These data indicate that drainage water from a paddy field that has been treated through the constructed system could reach the standard of National Class II with two irrigation-drainage methods, while for control treatments water quality can only reach Class V, which is severely contaminated. With this system, the reuse of agricultural water resources could be achieved, which will undoubtedly provide a great potential for agricultural water management in southern China, as well as achieving excellent overall ecological benefits.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
25
Numer
1
Opis fizyczny
p.195-204,fig.,ref.
Twórcy
autor
  • Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Hohai University, 210098, P.R. China
  • College of Water Conservancy and Hydropower, Hohai University, Nanjing, 210098, P.R. China
  • Texas AgriLife Research Center at El Paso, Texas AandM University, 79927, USA
autor
  • Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Hohai University, 210098, P.R. China
  • College of Water Conservancy and Hydropower, Hohai University, Nanjing, 210098, P.R. China
autor
  • Texas AgriLife Research Center at El Paso, Texas AandM University, 79927, USA
Bibliografia
  • 1. CAO Z.H., LIN X.G., YANG L.Z., HU Z.Y., DONG Y.H., YIN R. Ecological Function of "Paddy Field Ring" to Urban and Rural Environment II. Characteristics of Nitrogen Accumulation, Movement in Paddy Field Ecosystem and Its Relation to Environmental Protection. Acta Pedologica Sinica. 43 (2), 256, 2006.
  • 2. CAI L.Y., LI Y., ZHENG Z.H. Temporal and Spatial Distribution of Nitrogen and Phosphorous of Lake Systems in China and Their Impact on Eutrophication. Earth and Environment. 38 (2), 235, 2010.
  • 3. SHARPLEY A.N., MCDOWELL R.W., KLEINMAN P.J.A. Phosphorus Loss from Land to Water: Integrating Agricultural and Environmental Management. Plant Soil, 237, 287, 2001.
  • 4. XIE Y.X., XIONG Z.Q., ZHAO X., XING G.X., GUO T.C. Contribution of Nitrogen and Phosphorous on Eutrophied Irrigation Water in a Paddy Soil: a Case Study in Taihu Lake Region. Acta Ecologica Sinica. 28 (8), 3618, 2008.
  • 5. POE G.L., SCHULZE W.D. Final Report: An Experimental Economics Examinations of Incentive Mechanisms for reducing Ambient Water pollution Levels from agricultural Non-point Source Pollution. http://cfpub.epa.gov/ ncerabstracts/index.cfm/fuseaction/display.abstractDetail/ abstract/6237/report/F, 2009.
  • 6. WU M.S., HONG L. Design of Virtual Experiment Based on Agricultural Drainage and Nitrate loss. Journal of Wuhan University. 45 (3), 305, 2012.
  • 7. ZHU X.D. Study on River Pollution and Restoration Countermeasure in Taihu Basin. Environmental Protection. 1, 43-44, 2006.
  • 8. ZHU Z.L., SUN B. Study on Current Situation, Reasons and Control Measures of Non-point Pollution in China. Chinese Agricultural Science Bulletin. 24 (supplement), 1, 2008.
  • 9. CHEN H.S., SONG X.F., ZOU G.Y. Integrated Management of the Water Environment and Ecological Restoration in Taihu Basin. Water Conservancy and Hydropower Science and Technology Progress. 28 (3), 76 2008.
  • 10. WANG S.L. Advancement of Study on Farmland Drainage Technology and Based on Water Environment Protection. Journal of Hydraulic Engineering. 41 (6), 697, 2010.
  • 11. WANG Y., WANG J.G., LI W., BO L.J., YANG L.Z. Comparisons on Interception Effect of N and P of Three Kinds of Agricultural Drainage Canals. Soils. 41 (6), 902, 2009.
  • 12. YANG L.Z., ZHOU X.P., WANG J.G., WANG D. J., SHI W.M., SHI L.X. Study on Vegetative Filter Channel System of Agricultural Non-point Pollution Control and the Effect. Chinese Journal of Ecology. 24 (11), 1371, 2005.
  • 13. YU H.B., XI B.D. Effect of Rainfall Runoff on Nitrogen and Phosphorus Loss in Farming Drainage Ditch. Research of Environmental Sciences. 22 (4), 409, 2009.
  • 14. DING J.L., PENG S.Z., XU J.Z., LI D.X. Experimental Study on Evapotranspiration and Crop Coefficient of Rice under Controlled Irrigation. Journal of Hohai University (Natural Sciences), 34 (3), 239, 2006.
  • 15. PENG S.Z., XU J.Z., HUANG Q., LIU F.L. Controlled Irrigation of Paddy Rice and Environmental Multifun-ctionality. Journal of Shenyang Agricultural University, 35 (5-6), 443, 2004.
  • 16. PENG S.Z., HAO S.R., ZHU C.L., LIU Y., XU N.H. Exemplary and Application of Controlled Irrigation on Rice in Ningxia Irrigation Zone. Chinese Hydraulic Engineering Society 2000 Annual Conference Proceedings: Water Saving Irrigation, 295, 2000.
  • 17. LI Y. Y., SHAO X.H., TAN J.Y., HU X.J., ZHOU J., WANG J.L., LU S.G., XU H.L. Effects of controlled and midgathering irrigation on paddy rice height and yield. Journal of Food, Agriculture & Environment, 10 (3-4), 659, 2012.
  • 18. KOSKIAHO J., EKHOLM P., RATY M., RIIHIMAKI J., PUUSTINEN M. Retaining Agricultural Nutrients in Constructed Wetlands-Experiences under Boreal Conditions. Ecology Engineering. 20, 89, 2003.
  • 19. LIU S.Y. Construction of the Artificial Wetlands Based on the Agricultural Non-point Source Pollution: Example for the Pipa Temple Reservoir. Central South University of Forestry and Technology, 2012.
  • 20. YU Z.M., YUAN X.Y., SHI W.M. The Technology of Constructed Wetlands to Non-point Source Pollution Water Treatment. Chinese Agricultural Science Bulletin. 26 (3), 264, 2010.
  • 21. HERBERT J.B. Application of Constructed Wetlands in Recycling, Agriculture and Agroforestry: Water Management for Changing Flow Regimes. Water and Nutrient Management in Natural and Constructed Wetlands, Chapter 1, 1, 2011.
  • 22. NIKO S., HARRI V., JUKKA L. Vegetation is the Main Factor in Nutrient Retention in a Constructed Wetland Buffer. Plant and Soil, 258, 179, 2004.
  • 23. HAN L.N., LI Y.Y., SHI H., ZOU G. H., YU H.B., XIAO R.L., WU J.S. Study on Comparison of Different Aquatic Plant on Nitrogen and Phosphorus Ecological Control Measures in Drainage Ditch of Farmland in Southern China. Research of Agricultural Modernization. 33 (1), 117, 2012.
  • 24. PARESH L., BILL F. Relationships Between Aquatic Plants and Environmental Factors Along a Steep Himalayan altitudinal gradient. Aquatic Botany. 84, 3, 2006.
  • 25. SARAH J. Effects of Water Level and Phosphorus Enrichment on Seedling Emergence from Marsh Seed Banks Collected from Northern Belize. Aquatic Botany. 79, 311, 2004.
  • 26. YU H.B., XIAO R.L., YANG Z.J., ZHANG S.N., LIU F. Biomass and Effects of Five Aquatic Plants Uptake of Nitrogen and Phosphorus in Ecological Ditch. Journal of Nuclear Agricultural Sciences. 26 (5), 798, 2012.
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  • 28. LI Y.Y., SHAO X.H., HU X.J., JIN B.B., ZHU G.X. Dynamic Changes of Nitrogen Losses through Drainage with Controlled and Mid-gathering Irrigation during Typical Rainstorm Events in Southern China. Res. on Crops, 14 (4), 1238, 2013.
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  • 30. SEPA (State of Environmental Protection Association). Standards for Irrigation Water Quanlity. GB5084-92, P.R.China, 1992.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-e5b36e95-b85c-4f86-a725-ccf5ddedf69f
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