因此，在坡地土壤养分调控中必须综合考虑坡度和坡长因素。

The results in this study recommed that the length and gradient of the slope should be considered in the soil nutrients management on sloping land.

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数值计算验算了降雨的方式，斜坡地层的形状以及坡度的变化对地下水位进展和衰退过程的影响。

In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined.

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坡度：坡度为2 - 4%的连续坡地最佳，山地优于平地，平地的挑战更大。

Slopes: Uniform 2-4% ideal. Hilly is good. Flat is a challenge.

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