防城港市撂荒土地适宜性评价及分析——以防城区滩头村二队为例

The Abandoned Land Suitability Evaluation and Analysis about Fangchenggang City——Take the Tantou village two team in Fangcheng district as an example

以广西防城区滩头村撂荒土地为研究对象,通过GIS定位分析及实地调查采样,结合撂荒地的区域位置及自然条件,对研究区主要因子交通情况、水文情况、有效土层厚度、土壤质地、土壤有机质以及土壤速效养分氮磷钾进行分析,利用单因子评价及土地潜力分析,结果表明,该区域适宜性等级为N(不适宜),限制因子主要是不稳定因素速效钾。最后,依据土地潜力级划分以及影响因子的重要程度提出可行性建议,本研究将对防城区撂荒土地的复垦及规划提出理论依据。

Takes Guangxi Fangcheng District Tantou village＇s abandoned land as the research object, through the analysis with GIS positioning and investigation on the spot sampling ,combined with regional location and natural conditions in fallow areas. Analyzed for the main factor in the study area＇s traffic situation, hydrological situation, effective soil depth, soil texture, soil organic matter and soil available nutrients of K. Analysis single factor assessment and land potential,the result showed that the region suitability rating of N （unfit）, the main limiting factor is the instability of nitrogen, phosphorus and more stable soil thickness factor. Finally,made the feasibility of the recommendations according to the division of land potential level and the important impact factor of,in this study will be the anti-urban fallow land reclamation and planning proposed theory.