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Mechanical soil conservation strategies to reduce soil erosion in Dominica








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    Mulching to control soil erosion in Dominica 2014
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    Natural hazards, such as storms, hurricanes, and heavy rains, directly impact agricultural productivity and production in Dominica, leading to landslides and soil erosion, among others. In order to better mitigate the impacts of these hazards and prevent soil erosion, mulching can be used to protect and conserve the soil, and reduce erosion by water and wind. Mulching is a very simple and beneficial practice where organic material, such as crop residues and weeds, or inorganic material, like plastic sheets, is spread over the soil surface.
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    Establishing grass barriers along the contour to reduce water runoff and erosion during heavy rainfall, Grenada 2012
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    The agricultural sector in Caribbean islands such as Grenada is extremely vulnerable to storms and hurricanes. Establishing grass barriers along the contour can help in reducing water runoff and erosion during heavy rainfall. Grass barriers provide erosion control on croplands and offer a cheaper and more sustainable alternative to terraces in areas where soil degradation is highly likely. This system reduces surface runoff by promoting detention and infiltration, diverts runoff to a stable outlet and helps entrapping sediment-borne and soluble contaminants. This practice describes how to establish a grass barrier.
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    Brochure, flyer, fact-sheet
    Soil conservation practices to reduce soil erosion
    Terrace Systems
    2022
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    Soil conservation is becoming increasingly important due to climate change and harmful farming practices. In hilly or mountainous areas, soil erosion is unavoidable due to rain and wind. Terracing is one of the practices used to prevent rainfall runoff in sloping lands for soil and water conservation. Terracing is a method applied to prevent soil erosion due to excessive rainfall and to reduce the formation of gullies. This consist of ridges constructed across the slope to conserve soil, nutrients and increases the soil productivity, as well as reduces flooding and minimizes soil erosion through decreased slope gradient. Terrace systems are widely spread in east and Southeast Asia for rice farming, and in the Mediterranean for the cultivation of vineyards and olive trees. This webinar highlights the benefits of implementing terraces system in agriculture.

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