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Splash transport of soil on a slope under various crop covers

Authors
Journal
Agricultural Water Management
0378-3774
Publisher
Elsevier
Publication Date
Volume
26
Identifiers
DOI: 10.1016/0378-3774(94)90024-8
Keywords
  • Soil Splash
  • Detachment
  • Transport
  • Crop Cover
  • Slope

Abstract

Abstract Raindrop erosion on a slope under crop covers was evaluated by placing two splash traps facing up and down the predominant slope direction. The experimental crops were maize, beans, intercrop (of maize and beans) and bare fallow (control). Natural rainfall and standard cultural management were used. In all the treatments, the percent of soil splashed downslope was more than that upslope. The amount of soil splashed downslope was about 7 times that upslope on bare fallow land, and about 6 times under the maize crop. Under beans and intercrop, the proportion of splash downslope was comparatively lower. It was also found that the amount of soil splashed downslope decreased exponentially with increase in crop cover. Crop height was independent of the soil splash both in the downslope and also upslope direction.

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