Agricultural Commodity Zoning Based on Agroecology Zone in Gopgopan Catchment Area, Tobasamosir North Sumatera (original) (raw)

This research aims: (1) to compile the agroecology zone in Gopgopan catcthment area and identify the land resources for the sake of agricultural development; (2) to compile the information of the types of land uses for agriculture sustainability system; (3) to map the agricultural commodities based on AEZ. The method uses for this research is desk study, observation and survey. The homogeneous land unit (HLU) mapping done by overlaying topographic map, soil map, and ground elevation map. The result of this research shows that there are 9 HLU in Gopgopan catchment area. Geographically, it is between99°0'30,409"E-99°6'42,699"E East Longitude and 2°35'53,1"N-2°24'24,244"N North Latitude. Gopgopan catchment area is in the regency of Toba Samosir that covers the districts of LumbanJulu, Bonatualunasi, Porsea and Uluan. Gopgopan catchment area consisted of 3 AEZ: Zone I (slope >40%), Zone III (slope 8-15%) and Zone IV (slope 0-8%). Agriculture system...