影响磷灰石有效磷含量的因素及磷灰石的分类
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PHYSICO-CHEMICAL PROPERTIES OF ROCK PHOSPHATE IN RELATION TO THE PHOSPHORUS AVAILABILITY TO PLANT AND ITS CLASSIFICATION
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    摘要:

    各种磷矿石具有不同的有效磷1)含量已是众所共知的事实。本文主要研究决定不同有效磷量的一些有关因素和有效磷含量的变化与各种磷灰石性质的关系。这些问题在研究磷矿石磨成粉体作为磷肥直接施用的肥效时,具有实际的应用价值。

    Abstract:

    The present article reports the correlation of the physical and chemical properties of natural rock to the availability of phosphorus to plant in powdered phosphate rock.Resuits revealed that the availability of phosphorus in rock powder is much more depended on the compactness and regularity of the crytal lattice,while the graininess and the status of fissure of the rock are of secondary importance.The writers found that there are a serves of changes in the rock bed induced by the substitute of PO4- by CO3- in the phosphate deposit.The increasement of CO3- in fluo-appatite increases the availability of phosphorus in natural rock.A system for the classification of rock phosphate has been suggested according its phosphorus availability.

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中国科学院地质研究所第三室.影响磷灰石有效磷含量的因素及磷灰石的分类[J].土壤学报,1966,14(1):22-30. COMPILED BY C. Y. CHOW. PHYSICO-CHEMICAL PROPERTIES OF ROCK PHOSPHATE IN RELATION TO THE PHOSPHORUS AVAILABILITY TO PLANT AND ITS CLASSIFICATION[J]. Acta Pedologica Sinica,1966,14(1):22-30.

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  • 在线发布日期: 2013-02-25
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