The present study was designed with an aim to develop soil site suitability model for paddy crop of hydromorphic soils under Indo-Gangetic plain. To achieve this target, the demarcation of hydromorphic soils had done based on the visual interpretation of FCC image, which was localized in Alauli (P₁), Gogri (P₂), Mansi (P₃), Khagaria (P₄) and Parbatta blocks (P₅), respectively. The results indicated that P₁ and P₅ were moderately suitable for paddy, whereas, and P_2, P₃ and P₄ were placed under marginal suitable (S₃) on the basis of its actual land suitability class (ALSC). While, inclusion of different management practices like advocation of FYM, BGA and recommended dose of fertilizer based on soil test value, it has been placed brought under moderately suitable class (S₂)on the basis of potential land suitability class (PLSC). These results could be concluded that inculcation of suitable management options to avoid the certain limitation soil fertility constrains like organic carbon, soil wetness and topography enable to enhancement of productivity potential of paddy crop in this region.

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