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abonos nitrogenados

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Nitrogen leaching assessment under intensive agricultural practice

1993

Guimera, J. | Candela, L. (School of Civil Engineering, Polytechnic University of Catalonia, Barcelona (Spain))

nitrogen spain pollution de l'eau espagne nitrogen fertilizers abonos nitrogenados nitrogeno polucion del agua engrais azote nitrate/ hydrologie capa freatica nitratos/ hidrologia ...
Department for Environment, Food and Rural Affairs - United Kingdom
Nitrogen balances and leaching in four agricultural catchments in southeastern Norway

1998

Bechmann, M. | Eggestad, H.O. | Vagstad, N. (Jordforsk, Centre for Soil and Environmental Research, N-1432 As (Norway))

nitrogen soil sciences leaching nitrogen balance arable soils soil types otono nitrogeno engrais azote composicion quimica metabolismo del nitrogeno perdidas desde suelos ...
Department for Environment, Food and Rural Affairs - United Kingdom
Residual effects of N fertilization on soil-water chemistry and ground vegetation in a Swedish Scots pine forest

1998

Nohrstedt, H.O. (SkogForsk, Uppsala Science Park, S-751 83 Uppsala (Sweden))

ammonium nitrate ammonium fertilizers soil water enmiendas calizas cationes forests engrais azote effet residuel vegetacion critical loads foret ground vegetation ...
Department for Environment, Food and Rural Affairs - United Kingdom
Mitigation of nitrous oxide emission from dairy farming systems

1998

Velthof, G.L. | Beusichem, M.L. van | Oenema, O. (Nutrient Management Institute NMI, Wageningen Agricultural University, P.O. Box 8005, 6700 EC Wageningen (Netherlands))

granjas lecheras green manures herbage nitrogen dairy farms suelo de praderas sistemas de explotacion nitrogeno engrais azote systeme d'exploitation agricole volatilizacion industrie laitiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental performance indicators for nitrogen

1998

Hanegraaf, M.C. (Centre for Agriculture and Environment, P.O. Box 10015, 3505 AA Utrecht (Netherlands))

granjas lecheras nitrogen dairy farms maize organic fertilizers ganado bovino nitrogeno engrais azote pollution atmospherique polucion del aire oxido nitroso exploitation laitiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Modelling the effects of nitrogen addition on soil nitrogen status and nitrogen uptake in a Norway spruce stand in Denmark

1998

Beier, C. | Eckersten, H. (RISO National Laboratory, P.O. Box 49, DK-4000 Roskilde (Denmark))

nitrogen cycling leaching mineralization simulation models soil types nitrogeno engrais azote modele de simulation cycle biogeochimique mineralizacion lixiviacion ...
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental hazards of nitrogen loading in wetland rice fields

1998

Ghosh, B.C. | Ravi Bhat (Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur 721 302 (India))

escorrentia ammoniac sulfato de amonio nitrogen leaching fertilizers polucion nitrogeno engrais azote amoniaco volatilizacion sol de riziere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Application of nitrogen in production and post-production systems of agriculture and its effect on environment in India

1998

Shukla, B.D. | Misra, A.K. | Gupta, R.K. (Central Institute of Agricultural Engineering, Nabi Bagh, Berasia Road, Bhopal-462038 (India))

granos nitrogen agriculture fertilizers impacto ambiental engrais nitrogeno engrais azote production vegetale produccion vegetal preservacion produccion alimentaria ...
Department for Environment, Food and Rural Affairs - United Kingdom
Ammonia emission factors for N fertilizers applied to two contrasting grassland soils

1997

Weerden, T.J. van der | Jarvis, S.C. (Institute of Grassland and Environmental Research, North Wyke, Okehampton, Devon, EX20 2SB (United Kingdom))

ammonium nitrate ammoniac united kingdom nitrogen suelo de praderas suelo clay loam soils nitrogeno amoniaco engrais azote royaume uni sandy clay loam soils ...
Department for Environment, Food and Rural Affairs - United Kingdom
Effects of elevated CO2, nitrogen supply and tropospheric ozone on spring wheat. I. Growth and yield

1996

Fangmeier, A. | Gruters, U. | Herstein, U. | Sandhage-Hofmann, A. | Vermehren, B. | Jager, H.J. (Institut fur Pflanzenokologie, Heinrich-Buff-Ring 38, D-35392 Giessen (Germany))

wheats nitrogen mineral nutrients dioxyde de carbone fertilizers ozono nitrogeno nutricion de las plantas engrais azote pollution atmospherique ble polucion del aire ...
Department for Environment, Food and Rural Affairs - United Kingdom