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首页> 外文期刊>Journal of rare earths >Influence of exogenous lanthanum on fertility parameters of red soil an paddy soil
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Influence of exogenous lanthanum on fertility parameters of red soil an paddy soil

机译:外源镧对红壤稻田土壤肥力参数的影响

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摘要

The effects of exogenous La on the fertility parameters such as cation exchange capacity(CEC), ex- changeable basic cations, and exchangeable acidity in red soil and paddy soil were studied with soil colunm simula- tion. The results show that with increasing amount of the added La, the proportion of exchangeable La in soils in- creases and there is more exchangeable La in red soil than in paddy soil. When the concentration of La is more than 600 mg.kh~-1, the proportion of exchangeable La almost remains constant.
机译:通过土壤模拟研究了外源镧对红壤和水稻土中肥力参数如阳离子交换能力(CEC),可交换碱性阳离子和可交换酸度的影响。结果表明,随着La的添加量的增加,可交换La在土壤中的比例增加,红色土壤中的可交换La比水稻土中的更多。当La的浓度超过600 mg.kh〜-1时,可交换La的比例几乎保持恒定。

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