Development and Prospect of Rare Earth Functional Biomaterials for Agriculture in China
来源期刊：JOURNAL OF RARE EARTHS2006年增刊第2期
论文作者：Liu Xiangsheng Zhang He Liu Ying Wang Jiachen Yang Jun Han Xuewei Wu Yanping Fan Yubin
Key words：REFB; antagonizing heavy metals; degradating organophosphors pesticide; rare earths;
Abstract: The development and prospect of rare earth functional biomaterials (REFB) was discussed. From 1979 to 1985, the simple REFB (salts) has been developed, and the fundamental research including forms, effects, toxicity, conversion in soil, and analysis methods had been finished. Then, the RE feed additive materials had been developed, and the fundamental research had also been finished. In 1990s, new REFB including RE phosphate fertilizer additive, RE conversional agricultural film additive, RE water-retraining reagent and RE seed coating reagent had been developed out rapidly. They were extended to 1.36 million hectares and big benefit had been got during the last three years. Recently, it was found that RE has some function of antagonizing heavy metals and degradating organophosphors pesticide, so the REFB will be studied as a focus once more, and will become one of the important methods of guaranteeing food security in the future.
Liu Xiangsheng1，Zhang He1，Liu Ying1，Wang Jiachen1，Yang Jun1，Han Xuewei1，Wu Yanping1，Fan Yubin1
(1.National Rare Earth Centre for Agriculture, General Research Institute for Nonferrous Metals, Grirem Advanced Materials Co. Ltd., Beijing 100088, China)
Abstract:The development and prospect of rare earth functional biomaterials (REFB) was discussed. From 1979 to 1985, the simple REFB (salts) has been developed, and the fundamental research including forms, effects, toxicity, conversion in soil, and analysis methods had been finished. Then, the RE feed additive materials had been developed, and the fundamental research had also been finished. In 1990s, new REFB including RE phosphate fertilizer additive, RE conversional agricultural film additive, RE water-retraining reagent and RE seed coating reagent had been developed out rapidly. They were extended to 1.36 million hectares and big benefit had been got during the last three years. Recently, it was found that RE has some function of antagonizing heavy metals and degradating organophosphors pesticide, so the REFB will be studied as a focus once more, and will become one of the important methods of guaranteeing food security in the future.
Key words:REFB; antagonizing heavy metals; degradating organophosphors pesticide; rare earths;
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