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.
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。
Work on time was the most influential factor of role stressor(P< 0.05, P< 0.01).
“上下班准时”是对各项角色压力源影响最大的因素之一（P<0.05，P<0.01）。
The principal component analysis result shows that the most important factor is pollen shape when dealing with the pollen character, then P; E; L/P and so on.
依主成分分析结果，在孢粉分析时各性状指标按重要性依次为花粉形状、极轴长、赤道轴长及萌发沟与极轴长之比值等。
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