Land Evaluation for Rubber Plantation in Ubon Ratchathani Province

Abstract

Studies o land evaluation for rubber plantation in Ubon  Ratchathani was formrly analyzed as a regional level.  And offen faced with an aggregation bias when the attemptation had been made to use at the provincial or lower levels.  The aims of the study was to use more details of climatic data in an evaluation process to  improve accuracy in order to make a decision on guidance of rubber research.  A geographic information system (GIS) with FAO-Sys land evaluation approach were used for the analysis by overlaying the existing soil suitability for rubber plantation.  It was based on the group of soil series map with climatic conditions from 18 rainfall metrological stations averaging for 15 years in Ubon Ratchathani area.  The results found that 23% of total land area or about 2.2 millon rai was classified as "suitable" (S1) mos tof which were in Phibun Mangsahan districts followed by buntharik and Trakan Phuet Phon districts respectively.