Development of preminent commodity of rubber is one of Mandailing Natal Regency government's strategy to improve society prosperity. To support the mentioned things, this research is conducted with purpose: (1) determining suitability location for the development of rubber plantation based on physical aspects of land and (2) analysing and formulating the directive of rubber smallholding potential development policy in Mandailing Natal Regency. The land suitability analysis spasial overlay

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... als and descriptive analysis were implements. The research results showed that acreage of potential area for the development of rubber plantation in Mandailing Natal Regency was 460,849 ha (70.4%). The location and acreage which could be to recommend for the development of rubber plantation in Mandailing Natal Regency based on location potential and relevant government regulations had been mentioned, and would cover 201,875 ha (30.8%).