Evaluasi Kesesuaian Lahan untuk Pertanian di Kabupaten Pati Berbasis Sistem Informasi Geografi

Abstract

The increasing population and decreasing amount of land in Pati Regency make it important to evaluate the suitability of agricultural land to meet the increasing demand for food This study aims to determine the suitability class of agricultural land and its limiting factors in Pati Regency This study is descriptive and uses the technical method of spatial overlay analysis The data used are secondary data from agencies namely related to rainfall data for months 1 4 mm temperature soil drainage texture soil depth cm clay CEC cmol soil pH slope erosion hazard and salinity The data obtained is then scored according in the Technical Evaluation of Agricultural Land The results of this study show that irrigated rice fields are spread across 20 sub districts and include three land suitability classes namely; S1 very suitable of 35 776 48 Ha; S2 quite suitable of 727 96 Ha; and S3 marginally suitable of 12 8 Ha Meanwhile rainfed rice fields are spread across 17 sub districts and have different suitability classes namely: S1 very suitable of 7 466 99 Ha; S2 quite suitable of 15 807 90 Ha; and S3 marginally suitable of 97 75 Ha In addition agricultural wall factors were also found namely slope gradient soil drainage and soil pH < em>< p>