[ 发表于: Pollution ]
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结果 161-170 的 229
Upper critical level of copper to alfalfa, in ten Chilean soils
1991
Gonzalez, S.P. (Instituto de Investigaciones Agropecuarias, Santiago (Chile). La Platina Experimental Station)
Wageningen University & Research - Netherlands
Metal binding properties of Klebsiella oxytoca
1991
Wallberg, M. (Linkoeping Univ. (Sweden). Dept. of Water and Environmental Studies) | Brynhildsen, L. | Allard, B.
Wageningen University & Research - Netherlands
Residual metal reactivity of humic acids extracted from soil amended with sewage sludge
1991
Senesi, N. (Bari Univ. (Italy). Istituto di Chimica Agraria) | Sposito, G. | Bradford, G.R. | Holtzclaw, K.M.
Wageningen University & Research - Netherlands
Hydrological pathways of metolachlor export from an agricultural watershed
1991
Buttle, J.M. (Trent Univ., Peterborough, Ont. (Canada). Dept. of Geography) | Harris, B.J.
Wageningen University & Research - Netherlands
Urban air pollution | UNEP/WHO GEMS Assessment of urban air quality
1991
McCormick, John
National Agricultural Library - United States of America
[The state of transboundary air pollution: 1989 update]
1991
Food and Agriculture Organization of the United Nations - Italy
Nitrogen fixing and multipurpose tree species for afforestation
1991
Singh, M. P. (Mahesh Prasad)
National Agricultural Library - United States of America
[Assessment of long-range transboundary air pollution]
1991
Food and Agriculture Organization of the United Nations - Italy
CO2-gas-exchange and transpiration of open-grown Norway spruce during the year in higher elevation of the Southern Black Forest under local air conditions with and without O3, respectively
1991
Abetz, P. (Freiburg Univ. (Germany). Inst. fuer Waldwachstum) | Kuenstle, E. | Wolfart, A.
ZB MED Nutrition. Environment. Agriculture - Germany