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1998

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Resultados 141-150 de 333

The mass budget of atmospheric ammonia in woodland within 1 km of livestock buildings

1998

Fowler, D. | Pitcairn, C.E.R. | Sutton, M.A. | Flechard, C. | Loubet, B. | Coyle, M. | Munro, R.C. (Institute of Terrestrial Ecology, Edinburgh Research Station (United Kingdom))

ammoniac simulation models vegetation poultry rearing ammonia atmosphere amoniaco pollution atmospherique modele de simulation formacion boscosa foret claire elevage de volailles ...
Department for Environment, Food and Rural Affairs - United Kingdom
Application of a conceptual catchment scale nitrate transport model on two rural river basins

1998

Herpe, Y. van | Troch, P.A. | Callewier, L. | Quinn, P.F. (Laboratory of Hydrology and Water Management, University of Gent, Gent (Belgium))

winter hiver simulation models watersheds drainage drenaje modele de simulation simulacion aguas subterraneas modelos de simulacion cuencas hidrograficas ...
Department for Environment, Food and Rural Affairs - United Kingdom
Feasibility of national nitrogen balances

1998

Slak, M.F. | Commagnac, L. | Lucas, S. (ENITA de Bordeaux, Laboratoire Sols et Paysages (France))

exports nitrogen balance pollution importaciones exportaciones policies polucion union europeenne engrais azote politicas union europea metabolismo del nitrogeno ...
Department for Environment, Food and Rural Affairs - United Kingdom
Recovery of valuable nitrogen compounds from agricultural liquid wastes: potential possibilities, bottlenecks and future technological challenges

1998

Rulkens, W.H. | Klapwijk, A. | Willers, H.C. (Wageningen Agricultural University (WAU), Wageningen (Netherlands))

ammoniac nitrogen organic fertilizers fertilizers manejo de desechos separation metodos separacion gestion des dechets nitrogeno amoniaco animal wastes ...
Department for Environment, Food and Rural Affairs - United Kingdom
Evaluation of ammonia emission abatement on the basis of measurements and model calculations

1998

Erisman, J.W. | Bleeker, A. | Jaarsveld, J.A. van (ECN, P.O. Box 1, 1755 ZG Petten (Netherlands))

ammoniac mesure measurement application methods ammonia reglamentaciones estiercol amoniaco pollution atmospherique metodos de aplicacion control de la contaminacion polucion del aire ...
Department for Environment, Food and Rural Affairs - United Kingdom
Agricultural nutrient balances as agri-environmental indicators: an OECD perspective

1998

Parris, K. (Directorate for Food, Agriculture and Fisheries, OECD, Paris (France))

nitrogen nitrogen balance oecd countries agriculture pollution plant nutrition polucion sistemas de explotacion nitrogeno engrais azote pollution atmospherique nutricion de las plantas ...
Department for Environment, Food and Rural Affairs - United Kingdom
Influence of set-aside on the nitrate content of soil profiles

1998

Clotuche, P. | Godden, B. | Bol, V. van | Peeters, A. | Penninckx, M. (Universite Catholique de Louvain, Laboratoire d'Ecologie des Prairies, Place Croix du Sud, 1348 Louvain-la-Neuve (Belgium))

cropping systems rotation culturale siembra nitrogen rotational cropping sowing nitrogeno rotacion de cultivos mineralizacion aguas subterraneas polucion de aguas subterraneas lixiviacion ...
Department for Environment, Food and Rural Affairs - United Kingdom
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability

1998

Sutton, M.A. | Milford, C. | Dragosits, U. | Place, C.J. | Singles, R.J. | Smith, R.I. | Pitcairn, C.E.R. | Fowler, D. | Hill, J. | ApSimon, H.M. | Ross, C. | Hill, R. | Jarvis, S.C. | Pain, B.F. | Phillips, V.C. | Harrison, R. | Moss, D. | Webb, J. | Espenhahn, S.E. | Lee, D.S. | Hornung, M. | Ullyett, J. | Bull, K.R.

modelos ammoniac ecosystems modele ammonia ecosistema foret claire polucion ecosysteme amoniaco etude de cas estudios de casos practicos ...
Department for Environment, Food and Rural Affairs - United Kingdom
Evaluation of SO2 and NO2 concentration levels in vilnius (Lithuania) using passive diffusion samplers

1998

Perkauskas, D. | Mikelinskiene, A. (Institute of Physics, Savanoriu 231, 2028 Vilnius (Lithuania))

diffusion sulphur dioxide sampling muestreo evaluation dioxyde d'azote dioxido de azufre pollution atmospherique evaluacion polucion del aire estaciones del ano difusion ...
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental impacts of different nitrogen inputs on dairy farms and implications for the Resource Management Act of New Zealand

1998

Ledgard, S.F. | Crush, J.R. | Penno, J.W. (AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton (New Zealand))

granjas lecheras pastizales nitrogen dairy farms leaching excreta nitrogeno ordenacion de recursos paturages perdidas desde suelos perte des les sols aguas subterraneas ...
Department for Environment, Food and Rural Affairs - United Kingdom