PENATAAN RUANG KAWASAN PERTANIAN DI LAHAN GAMBUT MELALUI PENDEKATAN EVALUASI LAHAN Land Arrangement of Area Agriculture in Peatlands witti Land Evaluation Approacfi

Abstract

An evaluation of suitable to crop cultivation based on land characteristics and benefit values were needed to decision making, coordination, and control to minimize cost. The study was done in Bengkalis Distric, Riau. The field survey was carried out on land unit, the land characteristics were evaluated by maximum limiting factors method, and the benefits were calculated by return cost ratio. The results of research showed that it's peatlands was about 82,129.73 hectars what moderately-marginally suitable to crop cultivation: (1) land unit d1 was 10,252.17 hectars and arranged to wetland rice; (2) land unit d2 was 61,780.49 hectars and arranged to food crops (upland rice, maize, soybean, cassava, sweet potato, groundnut, and taro) and vegetables (green pepper, tomato, eggplant, cucumber, garden bean, pea, kedney bean, spinach, leafy vegetable, bitter melon, mustard greens, four-side bean, and pumpkin); (3) land unit d3 was 10,097.07 hectars and arranged to fruits (mango, durian, rambutan. sirsak, avocado, lanseh totree, mangosteen, citrus, jackfruit, watemnelon, banana, bilimbi, papaya, and pineapple).