广西都安县土地适宜性评价

广西都安县土地适宜性评价是根据该县土地资源特点、土地利用现状和各种土壤类型的理化性质及其对农、林、牧业生产的适宜性和限制性，采用多因素分级指标综合评价法进行评价。按照土地的用途划分宜农(耕)土地类。宜园土地类、宜林土地类、宜牧土地类。并选择对土地用途影响较大的因子为评价项目，依其影响的程度制定分级指标，按指标评定每个土地适宜类的适宜等级，分别评出一等地、二等地、三等地三个级别，统计其面积。然后，根据评价结果对该县的土地资源提出合理利用意见。

LAND SUITABILITY EVALUTION IN DUAN COUNTY

Based on the characteristics of land resource, the present situation of land use and the physichemical quality of various soil types in Duan County, suitability and limitation on farming, forestry and animal husbandry, the land suitability evaluation in Duan County was conducted by the means of comprehensive evaluation. The land was divided to be suitable for farming, for plantation, for stock raising is for forest. The indication of more impact on land use are for evaluation. Indicative classes are based on their impact degrees. According to it,land suitability classes ( Ⅰ , Ⅱ, Ⅲ ) are divided,then their classes areas are acoounted. At last,this paper proposes some sound suggestions on land use in light of land evaluation.