2018 International Conference on Applied Science and Technology (ICAST) Soil Suitability Evaluation for Sawah in Sumani Watershed in West Sumatra Indonesia using Surfer Tool 1stAflizar 2thElvin Hasman Teknologi Pertanian Teknologi Pertanian 3rdAgustamar Tanaman Pangan Politeknik Pertanian Negeri Politeknik Pertanian Negeri Payakumbuh Payakumbuh Politeknik Pertanian Negeri Payakumbuh Payakumbuh, Indonesia Payakumbuh, Indonesia
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[email protected] Payakumbuh, Indonesia
[email protected] th 4 Irwan. A 5thGusmalini Teknologi Pertanian Teknologi Pertanian 6thWeri Susena ES Teknologi Pertanian Politeknik Pertanian Negeri Politeknik Pertanian Negeri Payakumbuh Payakumbuh Politeknik Pertanian Negeri Payakumbuh Payakumbuh, Indonesia
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[email protected] [email protected] 7thIsmawardi th th Teknologi Pertanian 8 Erprabawayudha 9 Cornelius Idowu Teknologi Pertanian AlarimaAgricultureDepatment Politeknik Pertanian Negeri Payakumbuh Politeknik Pertanian Negeri Federal University of Agriculture, Payakumbuh Abeokuta Nigeria Payakumbuh, Indonesia Abeokuta, Nigeria
[email protected] Payakumbuh, Indonesia
[email protected] [email protected] Abstract—This study characterized the soils of the Sumani parameters combine with FAO method will be of immense help watershed, West Sumatra Indonesia, for soil-suitability in soil-suitability evaluation for present sawah condition. evaluation for sawah using Surfer tool-based multicriteria overlay analysis techniques combine with FAO 1976 Keywords—sawah, silicon,watershed, suitability,Surfer tool procedure. The study showed that 78 samples at four soil orders including six groups, i.e. Oxic Hapuldant(OH), Andic I. INTRODUCTION Humitropept(AH), Typic Kandiudult(TK), Aeric Knowledge of soil, soil characteristics and distribution Tropaquept(AT), Typic Distropept(TD) and Typic of soil types is needed for the development of an area's agro- Eutropept(TE).