ISSN:
1573-5036
Keywords:
Activation products
;
Antimony
;
Black soils
;
Cerium
;
Cesium
;
Cobalt
;
Concentration ratio
;
Fission products
;
Flooding
;
Iron
;
Laterites
;
Manganese
;
Rice
;
Ruthenium
;
Uptake
;
Zinc
Source:
Springer Online Journal Archives 1860-2000
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Summary The absorption of gamma-emitting fission products106Ru,125Sb,137Cs and144Ce and activation products59Fe,58Co.54Mn and65Zn by rice plants grown on two contrasting tropical soils, namely, a blak soil (pellustert) and a laterite (oxisol), and the effects of flooding were studied under controlled conditions. Results indicated greater uptake of106Ru and125Sb from the black soil than from the laterite. In contrast, the uptake of144Ce and137Cs was greater in the laterite than in the black soil. Flooding treatment enhanced the uptake of all these fission products by rice plants in the laterite soil whereas this effect was observed only for125Sb and137Cs in the black soil. The plant uptake of activation products from the two soil types showed maximum accumulation of65Zn followed by54Mn,59Fe and58Co in both soil types. Besides, uptake of these nuclides was greater from the laterite soil than from the black soil. Flooding treatment for rice while showing a reduction of59Fe uptake, showed an increase in plant uptake of58Co,54Mn and65Zn in both soil types.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02181798
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