-
1
-
-
0027103334
-
Heterogeneity of soil mineral nitrogen in pasture grazed by cattle
-
Afzal, M. & Adams, W.A. 1992. Heterogeneity of soil mineral nitrogen in pasture grazed by cattle. Soil Science Sociery of America Journal, 56, 1160-1166.
-
(1992)
Soil Science Sociery of America Journal
, vol.56
, pp. 1160-1166
-
-
Afzal, M.1
Adams, W.A.2
-
3
-
-
84870913135
-
-
Anonymous. Commission Regulation (EC) No 889/2008 of 5 September 2008 laying down detailed rules for the implementation of Council Regulation (EC) No 834/2007 on organic production and labeling of organic products with regard to organic production, labeling and control, Article 14(2).
-
Anonymous. 2008a. Commission Regulation (EC) No 889/2008 of 5 September 2008 laying down detailed rules for the implementation of Council Regulation (EC) No 834/2007 on organic production and labeling of organic products with regard to organic production, labeling and control, Article 14(2).
-
(2008)
-
-
-
4
-
-
84870873827
-
-
Anonymous. ICROFS International Centre for Research in Organic Food Systems, Tjele, Denmark. Summary available at:; accessed 1/12/2011.
-
Anonymous. 2008b. Development, growth, and integrity in the Danish organic sector. A knowledge synthesis on the opportunities and barriers for a continued development and market-based growth in production, processing, and sale of organic products. ICROFS International Centre for Research in Organic Food Systems, Tjele, Denmark. Summary available at: http://www.icrofs.org/pages/publications/knowledge_syntheses.html; accessed 1/12/2011.
-
(2008)
Development, growth, and integrity in the Danish organic sector. A knowledge synthesis on the opportunities and barriers for a continued development and market-based growth in production, processing, and sale of organic products
-
-
-
5
-
-
84870938107
-
-
Anonymous. Ministeriet for Fødevarer, Landbrug og Fiskeri, Plantedirektoratet(In Danish).
-
Anonymous. 2010. Vejledning om økologisk jordbrugsproduktion. Ministeriet for Fødevarer, Landbrug og Fiskeri, Plantedirektoratet(In Danish).
-
(2010)
Vejledning om økologisk jordbrugsproduktion
-
-
-
6
-
-
84870953732
-
Water-balance and nitrogen-balance by optimal plant-production. 3. Models and results. (In Danish with English summary)
-
Bennetzen, F. 1978. Water-balance and nitrogen-balance by optimal plant-production. 3. Models and results. (In Danish with English summary). Tidsskrift for Planteavl, 82, 191-220.
-
(1978)
Tidsskrift for Planteavl
, vol.82
, pp. 191-220
-
-
Bennetzen, F.1
-
7
-
-
0000891059
-
An automated method for determining nitrate-nitrogen in soil extracts
-
Best, E.K. 1976. An automated method for determining nitrate-nitrogen in soil extracts. Queensland Journal of Agriculture and Animal Science, 33, 161-166.
-
(1976)
Queensland Journal of Agriculture and Animal Science
, vol.33
, pp. 161-166
-
-
Best, E.K.1
-
8
-
-
79955951986
-
Sensors for detecting and logging spatial distribution of urine patches of grazing female sheep and cattle
-
Betteridge, K., Hoogendoorn, C., Costall, D., Carter, M. & Griffiths, W. 2010. Sensors for detecting and logging spatial distribution of urine patches of grazing female sheep and cattle. Computers and Electronics in Agriculture, 73, 66-73.
-
(2010)
Computers and Electronics in Agriculture
, vol.73
, pp. 66-73
-
-
Betteridge, K.1
Hoogendoorn, C.2
Costall, D.3
Carter, M.4
Griffiths, W.5
-
9
-
-
0036822710
-
Root biomass and shoot to root ratios of perennial forage crops in eastern Canada
-
Bolinder, M.A., Angers, D.A., Bélanger, G., Michaud, R. & Laverdière, M.R. 2002. Root biomass and shoot to root ratios of perennial forage crops in eastern Canada. Canadian Journal of Plant Science, 82, 731-737.
-
(2002)
Canadian Journal of Plant Science
, vol.82
, pp. 731-737
-
-
Bolinder, M.A.1
Angers, D.A.2
Bélanger, G.3
Michaud, R.4
Laverdière, M.R.5
-
10
-
-
84870944855
-
-
Vejret i Danmark - 2007. DMI. Available at: accessed 1/12/2011 (In Danish).
-
Cappelen, J. 2008. Vejret i Danmark - 2007. DMI. Available at: http://www.dmi.dk/dmi/vejret_i_danmark_-_aaret_2007.htm; accessed 1/12/2011 (In Danish).
-
(2008)
-
-
Cappelen, J.1
-
11
-
-
78751701982
-
Cost effectiveness of nitrate leaching mitigation measures for grassland livestock systems at locations in England and Wales
-
Cardenas, L.M., Cuttle, S.P., Crabtree, B., Hopkins, A., Shepherd, A., Scholefield, D. & del Prado, A. 2011. Cost effectiveness of nitrate leaching mitigation measures for grassland livestock systems at locations in England and Wales. Science of the Total Environment, 409, 1104-1115.
-
(2011)
Science of the Total Environment
, vol.409
, pp. 1104-1115
-
-
Cardenas, L.M.1
Cuttle, S.P.2
Crabtree, B.3
Hopkins, A.4
Shepherd, A.5
Scholefield, D.6
del Prado, A.7
-
12
-
-
0029416313
-
Management options to limit nitrate leaching from grassland
-
Cuttle, S.P. & Scholefield, D. 1995. Management options to limit nitrate leaching from grassland. Journal of Contaminant Hydrology, 20, 299-312.
-
(1995)
Journal of Contaminant Hydrology
, vol.20
, pp. 299-312
-
-
Cuttle, S.P.1
Scholefield, D.2
-
13
-
-
0033873857
-
Calculation nitrogen leaching losses and critical nitrogen application rates in dairy pasture systems using a semi-empirical model
-
Di, H.J. & Cameron, K.C. 2000. Calculation nitrogen leaching losses and critical nitrogen application rates in dairy pasture systems using a semi-empirical model. New Zealand Journal of Agricultural Research, 43, 139-147.
-
(2000)
New Zealand Journal of Agricultural Research
, vol.43
, pp. 139-147
-
-
Di, H.J.1
Cameron, K.C.2
-
14
-
-
0036935931
-
Nitrate leaching in temperate agroecosystems: sources, factors and mitigating strategies
-
Di, H.J. & Cameron, K.C. 2002. Nitrate leaching in temperate agroecosystems: sources, factors and mitigating strategies. Nutrient Cycling in Agroecosystems, 46, 237-256.
-
(2002)
Nutrient Cycling in Agroecosystems
, vol.46
, pp. 237-256
-
-
Di, H.J.1
Cameron, K.C.2
-
15
-
-
70450207493
-
A lysimeter study of nitrate leaching from grazed grassland as affected by a nitrification inhibitor, dicyandiamide, and relationships with ammonia oxidizing bacteria and archaes
-
Di, H.J., Cameron, K.C., Shen, J.P., He, J.Z. & Winefield, C.S. 2009. A lysimeter study of nitrate leaching from grazed grassland as affected by a nitrification inhibitor, dicyandiamide, and relationships with ammonia oxidizing bacteria and archaes. Soil Use and Management, 25, 454-461.
-
(2009)
Soil Use and Management
, vol.25
, pp. 454-461
-
-
Di, H.J.1
Cameron, K.C.2
Shen, J.P.3
He, J.Z.4
Winefield, C.S.5
-
16
-
-
0029535329
-
Comparison of ceramic suction cups and KCl extraction for the determination of nitrate in soil
-
Djurhuus, J. & Jacobsen, O.H. 1995. Comparison of ceramic suction cups and KCl extraction for the determination of nitrate in soil. European Journal of Soil Science, 46, 387-395.
-
(1995)
European Journal of Soil Science
, vol.46
, pp. 387-395
-
-
Djurhuus, J.1
Jacobsen, O.H.2
-
18
-
-
84870891687
-
Environmental impacts of grazed pastures
-
ISBN:978-3-86944-021-7.
-
Eriksen, J., Ledgard, S., Lou, J., Schils, R. & Rasmussen, J. 2010. Environmental impacts of grazed pastures. Grassland Science in Europe, 15, 880-890, ISBN:978-3-86944-021-7.
-
(2010)
Grassland Science in Europe
, vol.15
, pp. 880-890
-
-
Eriksen, J.1
Ledgard, S.2
Lou, J.3
Schils, R.4
Rasmussen, J.5
-
19
-
-
0001357863
-
Soil types at the Danish State Experimental Stations
-
In Danish with English summary).
-
Hansen, L. 1976. Soil types at the Danish State Experimental Stations. Tidsskrift for Planteavl, 80, 742-758, (In Danish with English summary).
-
(1976)
Tidsskrift for Planteavl
, vol.80
, pp. 742-758
-
-
Hansen, L.1
-
20
-
-
0000941459
-
Determination of nitrogen as elementary N, as alternative to Kjeldahl
-
Hansen, B. 1989. Determination of nitrogen as elementary N, as alternative to Kjeldahl. Acta Agriculturae Scandinavica, 39, 113-118.
-
(1989)
Acta Agriculturae Scandinavica
, vol.39
, pp. 113-118
-
-
Hansen, B.1
-
21
-
-
0030617072
-
Nitrate leaching as influenced by soil tillage and catch crop
-
Hansen, E.M. & Djurhuus, J. 1997. Nitrate leaching as influenced by soil tillage and catch crop. Soil and Tillage Research, 41, 203-219.
-
(1997)
Soil and Tillage Research
, vol.41
, pp. 203-219
-
-
Hansen, E.M.1
Djurhuus, J.2
-
22
-
-
77956831621
-
Nutrient cycling and soil fertility in grazed pasture ecosystems
-
Haynes, R.J. & Williams, P.H. 1993. Nutrient cycling and soil fertility in grazed pasture ecosystems. Advances in Agronomy, 49, 119-199.
-
(1993)
Advances in Agronomy
, vol.49
, pp. 119-199
-
-
Haynes, R.J.1
Williams, P.H.2
-
23
-
-
78649605304
-
Nitrogen concentration in the urine of cattle, sheep and deer grazing a common ryegrass/cocksfoot/white clover pasture
-
Hoogendoorn, C.J., Betteridge, K., Costall, D.A. & Ledgard, S.F. 2010. Nitrogen concentration in the urine of cattle, sheep and deer grazing a common ryegrass/cocksfoot/white clover pasture. New Zealand Journal of Agricultural Research, 53, 235-243.
-
(2010)
New Zealand Journal of Agricultural Research
, vol.53
, pp. 235-243
-
-
Hoogendoorn, C.J.1
Betteridge, K.2
Costall, D.A.3
Ledgard, S.F.4
-
24
-
-
2142678119
-
Performance and environmental effects of forage production on sandy soils. III. Energy efficiency in forage production from grassland and maize for silage
-
Kelm, M., Wachendorf, M., Trott, H., Volkers, K. & Taube, F. 2004. Performance and environmental effects of forage production on sandy soils. III. Energy efficiency in forage production from grassland and maize for silage. Grass and Forage Science, 59, 69-79.
-
(2004)
Grass and Forage Science
, vol.59
, pp. 69-79
-
-
Kelm, M.1
Wachendorf, M.2
Trott, H.3
Volkers, K.4
Taube, F.5
-
25
-
-
84857995728
-
Computer-based evaluation of methods to sample nitrate leached from frazed pasture
-
Lilburne, L., Carrick, S., Webb, T. & Moir, J. 2012. Computer-based evaluation of methods to sample nitrate leached from frazed pasture. Soil Use and Management, 28, 19-26.
-
(2012)
Soil Use and Management
, vol.28
, pp. 19-26
-
-
Lilburne, L.1
Carrick, S.2
Webb, T.3
Moir, J.4
-
26
-
-
0027871004
-
Developments in the use of porous ceramic cups for measuring nitrate leaching
-
Lord, E.I. & Shepherd, M.A. 1993. Developments in the use of porous ceramic cups for measuring nitrate leaching. Journal of Soil Science, 44, 435-449.
-
(1993)
Journal of Soil Science
, vol.44
, pp. 435-449
-
-
Lord, E.I.1
Shepherd, M.A.2
-
27
-
-
0033370787
-
Nitrate sensitive areas: a study of large scale control of nitrate loss in England
-
Lord, E.I., Johnson, P.A. & Archer, J.R. 1999. Nitrate sensitive areas: a study of large scale control of nitrate loss in England. Soil Use and Management, 15, 201-207.
-
(1999)
Soil Use and Management
, vol.15
, pp. 201-207
-
-
Lord, E.I.1
Johnson, P.A.2
Archer, J.R.3
-
28
-
-
2442554002
-
Modelling environmental impacts of deposition of excreted nitrogen by grazing dairy cows
-
McGechan, M.B. & Topp, C.F.E. 2004. Modelling environmental impacts of deposition of excreted nitrogen by grazing dairy cows. Agriculture, Ecosystems and Environment, 103, 149-164.
-
(2004)
Agriculture, Ecosystems and Environment
, vol.103
, pp. 149-164
-
-
McGechan, M.B.1
Topp, C.F.E.2
-
29
-
-
79960186379
-
The spatial coverage of dairy cattle urine patches in an intensively grazed pasture system
-
Moir, J.L., Cameron, K.C., Di, H.J. & Fertsak, U. 2011. The spatial coverage of dairy cattle urine patches in an intensively grazed pasture system. Journal of Agricultural Science, 149, 473-485.
-
(2011)
Journal of Agricultural Science
, vol.149
, pp. 473-485
-
-
Moir, J.L.1
Cameron, K.C.2
Di, H.J.3
Fertsak, U.4
-
30
-
-
34547192188
-
Nutrient management in New Zealand pastures - recent developments and future issues
-
Monaghan, R.M., Hedley, M.J., Di, H.J., McDowell, R.W., Cameron, K.C. & Ledgard, S.F. 2007. Nutrient management in New Zealand pastures - recent developments and future issues. New Zealand Journal of Agricultural Research, 50, 181-201.
-
(2007)
New Zealand Journal of Agricultural Research
, vol.50
, pp. 181-201
-
-
Monaghan, R.M.1
Hedley, M.J.2
Di, H.J.3
McDowell, R.W.4
Cameron, K.C.5
Ledgard, S.F.6
-
31
-
-
0035665362
-
Mixed grazing and climatic determinants of white clover (Trifolium repens L.) content in a permanent pasture
-
Nolan, T., Connolly, J. & Wachendorf, M. 2001. Mixed grazing and climatic determinants of white clover (Trifolium repens L.) content in a permanent pasture. Annals of Botany, 88, 713-724.
-
(2001)
Annals of Botany
, vol.88
, pp. 713-724
-
-
Nolan, T.1
Connolly, J.2
Wachendorf, M.3
-
32
-
-
84870869798
-
-
EVACROP. A programme for calculating daily actual evapotranspiration and runoff from the root zone. Version 1.00. Research Note, Research Centre Foulum, 65 pp (In Danish with English summary).
-
Olesen, J.E. & Heidmann, T. 1990. EVACROP. A programme for calculating daily actual evapotranspiration and runoff from the root zone. Version 1.00. Research Note, Research Centre Foulum, 65 pp (In Danish with English summary).
-
(1990)
-
-
Olesen, J.E.1
Heidmann, T.2
-
33
-
-
18244381307
-
Leaching losses of N under grazed irrigated and non-irrigated pastures
-
Pakrou, N. & Dillon, P.J. 2004. Leaching losses of N under grazed irrigated and non-irrigated pastures. Journal of Agricultural Science, 142, 503-516.
-
(2004)
Journal of Agricultural Science
, vol.142
, pp. 503-516
-
-
Pakrou, N.1
Dillon, P.J.2
-
34
-
-
0032005338
-
Ammonia losses from urine and dung of grazing cattle: effect of N intake
-
Petersen, S.O., Sommer, S.G., Aaes, O. & Søegaard, K. 1998. Ammonia losses from urine and dung of grazing cattle: effect of N intake. Atmospheric Environment, 32, 295-300.
-
(1998)
Atmospheric Environment
, vol.32
, pp. 295-300
-
-
Petersen, S.O.1
Sommer, S.G.2
Aaes, O.3
Søegaard, K.4
-
36
-
-
0026299503
-
A model to predict transformations and losses of nitrogen in UK pastures grazed by beef cattle
-
Scholefield, D., Lockyer, D.R., Whitehead, D.C. & Tyson, K.C. 1991. A model to predict transformations and losses of nitrogen in UK pastures grazed by beef cattle. Plant and Soil, 132, 165-177.
-
(1991)
Plant and Soil
, vol.132
, pp. 165-177
-
-
Scholefield, D.1
Lockyer, D.R.2
Whitehead, D.C.3
Tyson, K.C.4
-
38
-
-
84870950129
-
Irrigation of grass/clover under grazing and cutting
-
Søegaard, K., Andersen, F. & Plauborg, F. 2006. Irrigation of grass/clover under grazing and cutting. Grassland Science in Europe, 11, 65-67.
-
(2006)
Grassland Science in Europe
, vol.11
, pp. 65-67
-
-
Søegaard, K.1
Andersen, F.2
Plauborg, F.3
-
39
-
-
0035707959
-
Grassland management and nitrate leaching, a model approach
-
Vellinga, T.V., Van der Putten, A.H.J. & Mooij, M. 2001. Grassland management and nitrate leaching, a model approach. Netherlands Journal of Agricultural Science, 49, 229-253.
-
(2001)
Netherlands Journal of Agricultural Science
, vol.49
, pp. 229-253
-
-
Vellinga, T.V.1
Van der Putten, A.H.J.2
Mooij, M.3
-
40
-
-
33644917413
-
Reducing nitrate leaching to groundwater in an intensive dairy farming system
-
Verloop, J., Boumans, L.J.M., van Keulen, H., Oenema, J., Hilhorst, G.J., Aarts, H.F.M. & Sebek, L.B.J. 2006. Reducing nitrate leaching to groundwater in an intensive dairy farming system. Nutrient Cycling in Agroecosystems, 74, 59-74.
-
(2006)
Nutrient Cycling in Agroecosystems
, vol.74
, pp. 59-74
-
-
Verloop, J.1
Boumans, L.J.M.2
van Keulen, H.3
Oenema, J.4
Hilhorst, G.J.5
Aarts, H.F.M.6
Sebek, L.B.J.7
-
41
-
-
2142843540
-
Performance and environmental effects of forage production on sandy soils. II. Impact of defoliation system and nitrogen input on nitrate leaching losses
-
Wachendorf, M., Büchter, M., Trott, H. & Taube, F. 2004. Performance and environmental effects of forage production on sandy soils. II. Impact of defoliation system and nitrogen input on nitrate leaching losses. Grass and Forage Science, 59, 56-68.
-
(2004)
Grass and Forage Science
, vol.59
, pp. 56-68
-
-
Wachendorf, M.1
Büchter, M.2
Trott, H.3
Taube, F.4
-
43
-
-
44949140559
-
Modeling the spatial distribution of nitrogen leaching from dairy farmland
-
Wang, F. 2008. Modeling the spatial distribution of nitrogen leaching from dairy farmland. Vadose Zone Journal, 7, 439-452.
-
(2008)
Vadose Zone Journal
, vol.7
, pp. 439-452
-
-
Wang, F.1
-
44
-
-
0001872433
-
Frequency distributions and spatially dependent variability of ammonium and nitrate concentrations in soil under grazed and ungrazed grassland
-
White, R.E., Haigh, R.A. & Macduff, J.H. 1987. Frequency distributions and spatially dependent variability of ammonium and nitrate concentrations in soil under grazed and ungrazed grassland. Fertilizer Research, 11, 193-208.
-
(1987)
Fertilizer Research
, vol.11
, pp. 193-208
-
-
White, R.E.1
Haigh, R.A.2
Macduff, J.H.3
|