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RAS-3: The Conversion of Degraded Imperata Grassland to Productive Rubber Agroforest in West Kalimantan.

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Imperata grassland covers large areas of West Kalimantan with little production function. Rubber Agroforestry System type 3 (or RAS-3) can be established in Imperata land and provide rubber, perennial timber and fruit trees. Annual crops (rice, chilli, vegetables) are grown in the first year only Legume Cover Crops include Mucuna, Flemingi. Crotalaria, Set aria and Chromolaena Fast Growing Trees (FGTs) such as Paraserianthes falcataria, Acacia mangium and Gmelina arborea can effectively shade out Imperata and also produce for pulpwood.

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