Wind and water erosion are now the two primary causes of land degradation. The most effective known method for erosion prevention is to increase cogitative cover on the land, which helps prevent both wind and water erosion. Vegetation acts as an interface between the atmosphere and the soil. It increases the permeability of the soil to rainwater, thus decreasing runoff. It shelters the soil from winds, which results in decreased wind erosion, as well as advantageous changes in micrometer.
The roots of the plants bind the soil together, and interweave with other roots, forming a more solid mass that is less susceptible to both water and wind erosion. The removal of vegetation increases the rate of surface erosion. De Beats, Oppose, J. Glasses, G. , Knap, A,(2006) Effects of grass roots on the readability of topsoil during concentrated flow-Geomorphology Volvo. 76 Issue 1/2, pop-67. The results indicate a negative exponential relation between the relative soil detachment rate and root density as well as root length density, independent of the applied flow shear stresses.
A comparison between the effects of vegetation cover on sheet and rill erosion rates and those of the root area ratio of grass roots on relative soil detachment rates reveals that grass roots are very effective in reducing soil detachment rates. Objective of the Study This study aims to come up methods on how to reduce soil erosion in mountainous areas using locally or commonly known plants or garden plants. Some examples of these plants may be grass, corn and root crops. Specifically, it answers the following: 1) TO identify the soil losses Of the soil properties Of the plant covered land. ) To elucidate the effects of residue cover on run off and erosion. 3) To assess the likely impact of soil erosion in mountainous areas. Significance of the Study The study will provide alternative ways in mitigating soil erosion by using different commonly known plants or garden plants. It would also enumerate some ornamental plants or edible plants that can be used to mitigate erosion and that they are locally available and abundant. This study will also be beneficial to future engineering as it provides studies and information of how effective vegetation cover as a method for erosion reduction.
Literature Review Soil Erosion Reduction Using Grass De Beats, Oppose,J. Glasses, G. Knap, A. (2006) studied effects of grass roots on the readability of topsoil during concentrated flow. . The main objective of the study is to investigate the impact of root density and root Engel density of grass on the readability of root-permeated saturated top soils. And found out that the results indicate a negative exponential relation Lewis, Timothy D. Rowan, John S. Hawse, Cathy McKenzie, Blair M. (2013) studied assessing the significance of soil erosion for arable weed seed bank diversity in agro-ecosystems.
The main objective of the study is to assess the likely impact of soil erosion on the composition and abundance of the arable weed seed bank, and presents an overview of erosion mechanisms affecting arable land coupled with an outline of the main factors influencing arable deed seed bank abundance and composition. And found out that net erosion data conceal within-field sediment deposition within swales, foot slopes, buffer strips and hedgerows which provides a further dimension of spatial restructuring of weed assemblages. Seed size and shape also influence hydrodynamic behavior through selective entrainment and preferential deposition.
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