磷素是红壤地区农业生产的最重要的限制因素，因此红壤磷素形态与转化问题的研究，对红壤地区农业生产具有重要意义。
Phosphorus(P) is the limiting factor for agricultural production in red soil regions, so the study about P forms and transports can be meaningful to agricultural production in red soil regions.
径流液中各形态氮、磷浓度远高于渗漏液，而两种流失方式下排水量差异不显著，故地表径流是该条件下氮素和磷素流失的主要方式。
The concentrations of nitrogen and phosphorus in runoff water is higher than that in infiltrated water. Surface runoff is the main way of nitrogen and phosphorus losses under the condition.
两种流失方式下水溶性无机磷是水溶态磷素的主要流失形态，所占比例平均值为67.54%。
Under both types of losses, the water-soluble inorganic phosphorus was the main loss form of dissolved phosphorus, of which the average occupies 67.54%.
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