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1996•Journal of the Indian Society of Soil ScienceOpen access

Pedogenetic Characterization of Some Typical Soils of Gandak Command Area of Bihar for Evaluation of Land Suitability

Vandana Singh, B.B. Mishra

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Abstract

Four representative pedons in a toposequence of alluvial fan of the Gandak Command Area of Bihar, located at Ramgarh (Chitupakar series), Chamanpur (Maksudpur series), Tekania (pathra series) and Sonhaula (Goniar series) are classified as Typic:Ustorthent, Typic Eutrochrept, Typic Haplustalf and Typic Hapbudalf, respectively. These form a typical taxonomic sequence as Entisol (P1) → Inceptisol (P2) → Alfisol (P3 and P4). The productivity ratings are high in case of soil region of pedon 3 followed by those of pedons 2 and 4 and the least in pedon 1. The soil associated with pedon 1 is moderately suitable for maize, wheat and rice whereas pedon 2 is suitable for wheat and maize and moderately suitable for rice. Soils represented by pedons 3 and 4 are suitable only for rice, while pedon 3 is also moderately suitable for both wheat and maize.

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Four representative pedons in a toposequence of alluvial fan of the Gandak Command Area of Bihar, located at Ramgarh (Chitupakar series), Chamanpur (Maksudpur series), Tekania (pathra series) and Sonhaula (Goniar series) are classified as Typic:Ustorthent, Typic Eutrochrept, Typic Haplustalf and Typic Hapbudalf, respectively. These form a typical taxonomic sequence as Entisol (P1) → Inceptisol (P2) → Alfisol (P3 and P4). The productivity ratings are high in case of soil region of pedon 3 followed by those of pedons 2 and 4 and the least in pedon 1. The soil associated with pedon 1 is moderately suitable for maize, wheat and rice whereas pedon 2 is suitable for wheat and maize and moderately suitable for rice. Soils represented by pedons 3 and 4 are suitable only for rice, while pedon 3 is also moderately suitable for both wheat and maize.

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Available abstract

Four representative pedons in a toposequence of alluvial fan of the Gandak Command Area of Bihar, located at Ramgarh (Chitupakar series), Chamanpur (Maksudpur series), Tekania (pathra series) and Sonhaula (Goniar series) are classified as Typic:Ustorthent, Typic Eutrochrept, Typic Haplustalf and Typic Hapbudalf, respectively. These form a typical taxonomic sequence as Entisol (P1) → Inceptisol (P2) → Alfisol (P3 and P4). The productivity ratings are high in case of soil region of pedon 3 followed by those of pedons 2 and 4 and the least in pedon 1. The soil associated with pedon 1 is moderately suitable for maize, wheat and rice whereas pedon 2 is suitable for wheat and maize and moderately suitable for rice. Soils represented by pedons 3 and 4 are suitable only for rice, while pedon 3 is also moderately suitable for both wheat and maize.

Key concepts: Alfisol, Inceptisol, Entisol, Soil series, Mathematics, Soil water, Alluvial plain, Vertisol

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