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5. Fractionation of Zinc in Paddy Soils of China

Fractionation of Zinc in Paddy Soils of China

来源 :土壤圈：英文版 | 被引量 : 0次 | 上传用户：dragoncool

【摘 要】

：

<正> The rice fields in China amount to 25.4 million hectares of which low yield paddy soils areabout 26％(Xu,1981;Xiao,1981).One of the most important causes of

【作 者】

：

HANFENG－XIANG ZHUQI－QING 

【机 构】

：

InstituteofSoilScience,InstituteofSoilScience

【出 处】

：

土壤圈：英文版

【发表日期】

：

1992年3期

【关键词】

：

锌 功能 水稻土 中国 fraction  paddy soil  zinc 

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<正> The rice fields in China amount to 25.4 million hectares of which low yield paddy soils areabout 26％(Xu,1981;Xiao,1981).One of the most important causes of low yield is the defi-ciency in nutrients including zinc.Zinc deficiency usually occurs i

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