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为了探明垦作方式与广西旱坡地水土流失的关系。为旱坡地水土流失治整理提供理论和技术依据,对等高垦作、非等高垦作2种不同垦作方式的土壤侵蚀和水土流失状况进行研究,探讨不同垦作方式对旱坡地水土流失的影响。结果表明:与非等高垦作相比,等高垦作具有明显减轻水土流失和土壤养分流失的作用。其中,水流失量减少了10.51%,土壤流失量减少了67.09%,土壤速效氮磷钾分别减少了67.34%、66.46%、66.73%,土壤有机质减少了68.13%。由此可见,等高垦作是旱坡地防止水土流失的有效方法。
In order to find out the relationship between reclamation practices and soil erosion in dryland in Guangxi. This paper provides theoretical and technical basis for soil and water loss treatment of arid slopes, and studies on soil erosion and soil erosion in two different reclamation ways, such as high and non-high reclamation fields, and discusses the effects of different reclamation practices on soil erosion Impact. The results showed that compared with the non-isosceles reclamation, isosceles reclamation has obvious effects of reducing soil erosion and soil nutrient loss. Among them, water loss decreased by 10.51%, soil loss decreased by 67.09%, soil available NPK decreased by 67.34%, 66.46%, 66.73%, soil organic matter decreased by 68.13%. It can be seen from this that contouring is an effective method to prevent soil erosion in dry slopes.