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《Journal of Agro-environmental Science》 1992-05
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Research on Soil Modifiers in Relation to Inhibition of Cadmium Up-taking by Rice in Acid Soils. Cao Renlin et al.

Cao Renlin et al.(Agro-Environmental Protection Institute of China, Tianjin 300191),  
This paper reports that eight different ameliorators (zinc fertilizer, lime, silicate fertilizer, calcium magnesium phosphate fertilizer, calcium magnesium phosphate fertilizer produced with chromium residur (CRCMP), gypsum, cowdung and fly ash.) have different inhibition effect on cadmium up-takeng by rice plant in acid soils of pH from 5.27 to 5.63 polluted by Cd. The best results have showm when silicake fertilizer, calcium magnesium phosphate fertilizer or CRCMP were applied up to 1. 5kg/m~2. They can not only raise evidently soil pH, decrease available cadmium for plants and cadmium concentration of unpolished rice, but also increase rice yield.
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