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Agropedological Evaluation of Soils Using Remote Sensing Technique
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Agropedological evaluation was carried out in Nagaon district of Assam,India using remote sensing technique using physiographic map prepared from Landsat imagery(1986) of the study area at 1;2,50,000 scale.Five soil profiles were collected from uthori(P1),Amlakhi(P2),Bebejia(P3),Rupahi(P4) and Amlakhi(P5)representing low hill,piedmont,younger alluvial plain,lower flood plain and active flood plain.Horizon-wise soil samples were collected and analysed for morphological and physico-chemical characteristics and the data were interpreted for pedogenic development,productivity potential and suitability for some major crops.The morphological features like colour,texture and structure and physico-chemical characteristics like ph,organic C,N,P,K,CEC varied widely among the profiles.The soils were classified as Typic Dystrudept(P1),Typic Hapludult(P2),Acquic Dystrudept(P3),Fluventic Humic Dystrudept(P4) and Acquic Udifluvent(P5).The soils exhibited more horizonation and pedological development.
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