Land suitability evaluation of shallot (Allium ascalonicum L.) at irrigated marginal lowland in Bengkulu, Indonesia
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Abstract
Shallot (Allium ascalonicum L.) is one of the strategic vegetable commodities that farmers have been intensively cultivating in almost fertile highlands of Indonesia because of its high economic value and attractive market prospects. The result showed the actual suitability classes for shallot cultivation in the Cawang Kidau irrigation area covered 1,131.73 ha classified in marginal suitable (S3) with the heaviest limiting factors are erosion hazard, nutrients retention and nutrient availability and the rest areas, 193.48 ha classified as unsuitable classes for the shallot cultivation. Efforts to overcome the constrains and to improve from the marginally suitable classes to moderately suitable classes for the shallot cultivation are implementing terrace constructions, amelioration with lime, and optimum fertilizers applied
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