خيارات البحث
النتائج 11 - 20 من 161
Action biologiques d' extraits organiques des particules atmospheriques urbaines, 1: Effets cytotoxiques et mutagenes.
1980
Festy B.
Visible injury to crop species by ozone in the United Kingdom.
1980
Ashmore M.R. | Bell J.N.B. | Dalpra C. | Runeckles V.C.
Critical aspects of chamber design for fumigation experiments on grasses.
1980
Unsworth M.H. | Mansfield T.A.
Smelter smoke syndrome in farm animals and manganese deficiency [after grazing lucerne near a Zn smelter] in northern Oklahoma, USA.
1980
Cowgill U.M. | States S.J. | Marburger J.E.
The effects of SO2 on components of leaf resistance to gas exchange.
1980
Barton J.R. | McLaughlin S.B. | McConathy R.K.
Adaptation of radish Raphanus sativus L. in response to continuous exposure to ozone.
1980
Walmsley L. | Ashmore M.R. | Bell J.N.B.
Occurrence of birds in Acacia woodland in northern Botswana related to endosulfan sprayed for tsetse fly control.
1980
Douthwaite R.J.
Growth reduction in Lolium multiflorum Lam. and Phleum pratense L. as a result of SO2 and NO2 pollution.
1980
Ashenden T.W. | Williams I.A.D.
The effect of a crude oil spill on cereals.
1980
De Jong E.
Deposition of heavy elements on Belgian agricultural soils.
1980
Navarre J.L. | Ronneau C. | Priest P.
A network of 19 rain gauges was set up over Belgium in agricultural zones. Determination of heavy metals content of water samples collected during a 1 yr meteorological cycle allowed to estimate wet plus dry deposition rate of many toxic metals over the country. It appears that soils contamination by deposition exceeds contamination through the use of chemical fertilizers.
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