辽宁省土壤有效态微量元素含量分布
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DISTRIBUTION OF AVAILABLE MICROELEMENTS IN SOILS OF LIAONING PROVINCE
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    摘要:

    对辽宁省14万多平方千米面积上不同土壤,采集了三千多个样品,用ICP测定了有效态B(沸水提取)和Cu、Zn、Fe、Mn(DTPA溶液提取),经过分级评价绘制成5幅含量分布图,阐明了不同地区、不同土壤类型间有效态微量元素含量的差异,并结合当地作物生长和肥效反应进行讨论,为辽宁省微量元素肥料合理施用提供了科学依据。

    Abstract:

    More than 3000 soil samples were collected in Liaoning Province and the available 13 (extracted by boiling water), Cu, Zn, Mn, Fe (extracted by DTPA) were determined by means of ICP, and the contents of above elements were repectively illustrated in 5 maps. It is shown that the contents of available Zn and B in soils of the province are widely lower, and in many regions they are at deficiency level, but those of Cu and Mn are mainly at medium or high level; as for Fe, it is lower in the northwest, but rather high in other regions of the province. In Liaoning Province, are distributed dark brown earth, brown earth, cinnamon soil, aerolian soil, meadow soil, paddy soil, saline soil, alkali soil and bog soil from mountain to plain and caost regions. The differences of the contents of available nucroeiements in these soil groups and subgroups were discussed, and the status demanding for microfertilizers in different sails and regions were demonstrated in the paper.

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邹邦基,李彤,史奕,郭雷,范世华,李培芝.辽宁省土壤有效态微量元素含量分布[J].土壤学报,1988,25(3):281-287. Zou Bangji, Li Tong, Shi Yi, Guo Lei, Fan Shihua, Li Peizhi. DISTRIBUTION OF AVAILABLE MICROELEMENTS IN SOILS OF LIAONING PROVINCE[J]. Acta Pedologica Sinica,1988,25(3):281-287.

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  • 在线发布日期: 2013-02-25
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