Babiker I S,Mohamed A A,et al.Assessment of Groundwater Contamination by Nitrate Leaching from Intensive Vegetable Cultivation Using Geographical Information System[J].Environment International,2004,29:1009-1017.
[2]
Almasri M H,J J Kaluarachchi.Implications of On-Ground Nitrogen Loading and Soil Transformations on Ground Water Quality Management[J].Journal of the American Water Resources Association,2004,40(1):165-185.
[3]
Nolan B T,Ruddy B C,Hitt K J,et al.Risk of Nitrate in Groundwater of the United States-A National Perspective [J].Environ-mental Science and Technology,1997,31(8):2229-2236.
[4]
Xu F X,Lu Y S.On Nitrate Contamination of Groundwater and Set-ting Water Conservation Areas in China [J].Pollution Control Technolo-gy,1999,12(1):20-23.
[5]
Spalding R F,Exner M E.Occurrence of Nitrate in Groundwater-A Review[J].Journal of Environmental Quality,1993,22:392-402.
[6]
Fan A M,C C Willhite,S A Evaluation of the Nitrate Drinking Water Standard with Reference to Infant Methemoglobinemia and Potential Reproductive Toxicity[M].Regul Toxicol Pharmacol,1987,Sect 7:135-148.
[7]
Lee Y W,Dahab M F,Bogardi I.Nitrate Risk Management Under Uncertainty[J].Journal of Water Resources Planning and Management,1991,118(2):151-165.
[8]
Wolfe A H,Patz J A.Reactive Nitrogen and Human Health:Acute and Long-Term Implications[J].Ambio,2002,31(2):120-125.
[9]
Keating B A,Bauld J,Hillier J,et al.Leaching of Nutrients and Pesticides to Queensland Groundwaters [A].In:Hunter H M,Eyles A G,Rayment G E,(Eds.).Downstream Effects of Land-use[C].Department of Natural Resources,Brisbane,1996.151-163.
[10]
Bolger P,Stevens M.(Eds.).Contamination of Australian Groundwater Systems with Nitrate[C].Land and Water Resources Research and Development Corporation Occasional Paper no.03/99,Land and Water Resources Research and Development Corporation,Canberra,1999.
[11]
Dillon P,Correll R,Schmidt L et al.Case Study 1:Pasture Mixed Agriculture and Forestry-Southeast of South Australia [C].Land and Water Resources Research and Development Corporation Occasional Paper no.03/99,Land and Water Resources Research and Development Corporation,Canberra.1999.
[12]
Zhang W L,Tian Zh X,Zhang N,et al.Investigation of Nitrate Pollution in Ground Water Due to Nitrogen Fertilization in Agriculture in North China[J].Plant Nutrition and Fertilizer Sciences,1995,1 (2):80-87.
[13]
Kraft G J,Stites W.Nitrate Iimpact on Groundwater From IrrigatedVegetable Systems in a Humid North-Central US Sand Plain[J].Agriculture,Ecosystem and Environment,2003,100:67-74.
[14]
Livingston M L,Cory D C.Agricultral Nitrate Contamination of Groundwater:An Evaluation of Environmental Policy[J].Journal of the American Water Resources Association,1998,34(6):1311-1317.
[15]
Keeney D R.Sources of Nitrate to Groundwater.In:R.F.Follett (Editor).Nitrogen Management and Groundwater Pollution[M].Amsterdam,1989:23-34.
[16]
Kraft G J,Stites W,Mechenich D J.Impacts of Irrigated Vegetable Agriculture on a Humid North-Central U.S.Sand Plain Aquifer [J].Ground Water,1999,37(4):572-580.
[17]
Zhang W L,Wu S X,et al.Estimation of Agricultural Non-Point Source Pollution in China and the Alleviating Strategies Ⅰ:Estimation of Agricultural Non-Point Source Pollution in China in Early 21 Century[J].Scientia A gricultura Sinica,2004,37(7):1008-1017.
[18]
McLay C D A,Dragten R,et al.Predicting Groundwater Nitrate Concentration in a Region of Mixed Agricultural Land Use:A Comparison of Three Approaches[J].Environ Pollut,2001,115:191-204.
[19]
Zhu Zh L.Fertilizer,Agriculture and Environment[J].Exploration of Nature,1998,17(66):25-28.
[20]
Burkart M R,Kolpin D W.Hydrologic and Land Use Factors Associated with Herbicides and Nitrates in Near-surface Aquifers[J].Journal of Environmental Quality,1993,22:646-656.
[21]
Eckhardt D A V,Stackelberg P E.Relation of Ground-water Quality to Land Use on Long Island,New York[J].Groundwater,1995,33:1019-1033.
[22]
Jin Z F,Wang F E,et al.Nitrate Pollution of Groundwater in Urban Area[J].Acta Pedologica Sinica,2004,41(2):252-257.
[23]
Leng J F,Cui L Y,et al.Study on Nitrate Pollution in Groundwater of Jinan City[J].Rural Eco-Environment,1998,14(1):55-57.