Concentration of iron and manganese in rice plants as influenced by hexachlorocyclohexane applied to soil |
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Authors: | S S Pal N Sethunathan |
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Institution: | (1) Central Rice Research Institute, 753006 Cuttack, India |
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Abstract: | Summary Application of a granular formulation of hexachlorocyclohexane (HCH) to the potted soil at flooding decreased the concentration
of iron and. to some extent, manganese in rice plants, especially at concentrations above 3 ppm active ingredient (a.i.) Likewise,
HCH, applied to rice fields at transplanting (several days after submergence) caused a significant decrease in the concentration
of iron, and not manganese, in the rice plant but only at concentrations above 12.5 kg a.i./ha despite high levels of reduced
iron in the soil. Inhibition of iron reduction by HCH was more pronounced when applied at flooding than at several days after
flooding. |
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Keywords: | Hexachlorocyclohexane Lowland rice Plant iron and manganese Rice Side effects |
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