【摘要】 稻米中微量元素及有机组分分布特征的研究＠武正华￥中国科学院地球化学研究所微量元素，有机组分，分布特征，稻米稻米中微量元素及有机组分分布特征的研究武正华（中国科学院地球化学研究所，贵阳５５０００２）关键词微量元素有机组分分布特征稻米稻米的形成具有分层特征。这...更多还原

【Abstract】 Distribution characteristics of some trace elements and organic elements(C、H、N、S)in four kinds of rices and the relationship between them was discussed in detail. The ratio of carbon to nitrogen was firstly used as an index to compare the distribution patterns of trace elements in different rices and some conclusion could be drawn from the comparision. A general mathematical formula describing the relationship between C/N and N/S was put forward as following:C/N=N/S×098+200 The paper also showed that Ca and Mg were depleted in red rice and Pb was rich. At last The model describing the release, transportation and adsorption of trace elements in soilplant system was established.更多还原