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.
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%.
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.
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