References
- Brandi-Dohrn , F. M. , Dick , R. P. , Hess , M. , Kauffman , S. M. , Hemphill , D. D. and Selker , J. S. 1997 . Nitrate leaching under a cereal rye cover crop . Journal of Environmental Quality , 26 : 181 – 188 .
- Cambardella , C. A. , Moorman , T. B. , Jaynes , D. B. , Hatfield , J. L. , Parkin , T. B. , Simpkins , W.W. and Karlen , D. L. 1999 . Water quality in walnut creek watershed: nitrate-nitrogen in soils, subsurface drainage water, and shallow groundwater . Journal of Environmental Quality , 28 : 25 – 34 .
- Catt , J. A. 1993 . Results of Rothamsted experiments on soil tillage, erosion and leaching of nutrients and pesticides . Soil Tillage and Environment . NJF-uredning/rapport 88. Proceedings of NJF-seminar no. 228 , 6 – 29 .
- Clewer , A. G. & Scarisbrick , D. H. 2001 . Practical statistics and experimental design for plant and crop science . John Wiley and Sons, Ltd , 331 pp.
- Coufal , V. 1987 . Agroklimaticke podminky ČSSR . Počasi a vynosi. Praha , 18 – 22 . ( In Czech )
- Cuttle , S. P. , Scurlock , R. V. and Davies , B. M. S. 2001 . Comparison of fertilizer strategies for reducing nitrate leaching from grazed grassland, with particular reference to the contribution from urine patches . Journal of Agricultural Science, Cambridge , 136 : 221 – 230 .
- Ezerinskas , V. 1993 . Dependence of plant nutrients migration within the soil on its acidity and fertility. Baltic region: Agriculture in acid soils . Collection of articles , p. 105 – 109 .
- Goulding , K. W. T. , Poulton , P. R. , Webster , C. P. and Howe , M. T. 2000 . Nitrate leaching: the Broadbalk wheat experiment, Rothamsted, UK, as influenced by fertilizer and manure inputs and the weather . Soil Use and Management , 16 : 244 – 250 .
- Gyles , W. Randall & David J. Mulla 2001 . Nitrate nitrogen in surface waters as influenced by climatic conditions and agricultural practices . Journal of Environmental Quality , 60 , 337 – 344 .
- Hooda , P. S. , Moynagh , M. , Svoboda , I. F. and Anderson , H. A. 1998 . A comparative study of nitrate leaching from intensively managed monoculture grass and grass-clover pastures . Journal of Agricultural Science, Cambridge , 131 : 267 – 275 .
- Hubbard , R. K. , Leonard , R. A. and Johnson , A. W. 1991 . Nitrate transport on a sandy coastal plain soil underlain by plinthite . TRANS of ASAE , 34 : 802 – 808 .
- Ibnoussina , M. , Maslouhi , A. & Zeraouli , M. 2006 . Impact of clay amendment on the leaching of nitric nitrogen in sandy soil Electronic Journal of Environmental Agricultural and Food Chemistry, vol.5, issue 5 .
- Jakobsson , C. 1999 . Ammonium emissions – current legislation affecting the agricultural sector in Sweden. Reduction of agricultural run-off to the Baltic Sea . Proceedings of International Conference , p. 19 – 23 .
- Jarvis , S. C. , Stockdale , E. A. , Shepherd , M. A. and Powlson , D. S. 1996 . Nitrogen mineralization in temperate agricultural soils: processes and measurement . Advances in Agronomy , 57 : 187 – 235 .
- Jordan , T. E. , Correl , D. L. and Weller , D. E. 1997 . Effects of agriculture on discharges of nutrients from coastal plain watersheds of Chesapeake Bay. Blackwell Synergy . Freshwater Biology , 4 : 327 – 337 .
- Kuo , S. , Huang , B. and Bembenek , R. 2001 . Effect of winter cover crops on soil nitrogen availability, corn yield, and nitrate leaching . The Scientific World Journal , 1 ( S2 ) : 22 – 29 .
- Luo , J. & Lindsey , S. 2005 . Nitrogen leaching from animal-processing effluents applied to pastureland. Third International Nitrogen Conference . Contributed Papers , p. 50 – 55 .
- Meals , D. W. & Budd , L. F. 1998 . Lake Champlain basin non-point source phosphorus assessment , JAWRA , p. 251 – 265 .
- Nearing , M. A. , Risse , R. M. and Rogers , L. F. 1993 . Estimating daily nutrient fluxes to a large Piedmont reservoir from limited tributary data . Journal of Environmental Quality , 22 : 666 – 671 .
- Owens , L. B. 1990 . Nitrate-nitrogen concentrations in percolate from lysimeters planted in a legume-grass mixture . Journal of Environmental Quality , 19 : 131 – 135 .
- Owens , L. B. , Edwards , W. M. and van Keuren , R. W. 1999 . Nitrate leaching from lysimeters under grass treated with ammonium nitrate or slow-release nitrogen fertilizer . Journal of Environmental Quality , 28 : 1810 – 1816 .
- Rimselis , J. , Sleinys , R. and Tyla , A. 1998 . Amounts of chemical elements in ponds surrounded by intensively fertilized fields . Agriculture , 61 : 26 – 35 .
- Schepers , L. S. , Moravek , M. G. , Alberts , E. E. and Frank , K. D. 1991 . Maize production impacts on groundwater quality . Journal of Environmental Quality , 20 : 12 – 16 .
- Sileika , A. S. 1996 . Agricuture nitrogen impact on water quality Lithuanian rivers . Agricultural Science , 11 : 48 – 61 .
- Silova , E. I. 1955 . Method for getting soil solution in natural conditions . Pochvovedeniye , 11 : 48 – 61 .
- Simmelsgaard , S. E. 1998 . The effect of crop, N level, soil type and drainage on nitrate leaching from Danish soil . Soil Use and Management , 14 : 30 – 36 .
- Staver , K. W. and Brinsfield , R. B. 1990 . Patterns of soil nitrate availability in corn production systems: implications for reducing groundwater contamination . Journal of Soil and Water Conservation , 45 : 318 – 323 .
- Thomas , G. W. , Haszler , G. R. and Crutchfield , J. D. 1992 . Nitrate-nitrogen and phosphate-phosphorus in seven Kentucky streams draining small agricultural watersheds: 18 years later . Journal Environmental Quality , 21 : 147 – 150 .
- Torstensson , G. 1998 . Nitrogen availability for crop uptake and leaching: doctoral thesis . Swedish University of Agricultural Sciences , p. 68 – 74 .
- Tyla , A. 1995 . Migration of plant nutrients in the biosphere . Agricultural Sciences , 1 : 3 – 10 .
- Vaicys , M. , Armolaitis , K. & Raguotis , A. 1998 . Land use and maintenance of soil ecological sustainability . Kairiukstis , L. & Rudzikas , Z. Ecological sustainability of Regional Development in a Historical Perspective: Lithuanian Case Studies (ECOSLIT) , p. 45 – 61 .