خيارات البحث
النتائج 11 - 20 من 160
Physico-chimie des polluants de l' atmosphere.
1980
Chovin Mr.
The effect of a crude oil spill on cereals.
1980
De Jong E.
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.
Visible injury to crop species by ozone in the United Kingdom.
1980
Ashmore M.R. | Bell J.N.B. | Dalpra C. | Runeckles V.C.
The effects of SO2 on components of leaf resistance to gas exchange.
1980
Barton J.R. | McLaughlin S.B. | McConathy R.K.
Occurrence of birds in Acacia woodland in northern Botswana related to endosulfan sprayed for tsetse fly control.
1980
Douthwaite R.J.
Critical aspects of chamber design for fumigation experiments on grasses.
1980
Unsworth M.H. | Mansfield T.A.
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.
Adaptation of radish Raphanus sativus L. in response to continuous exposure to ozone.
1980
Walmsley L. | Ashmore M.R. | Bell J.N.B.
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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