A Treatise of Indian and Tropical Soils by D.K. Pal

By D.K. Pal

This e-book discusses the right way to follow the fundamental rules of pedology to the tropical soils of the Indian subcontinent, with an emphasis on how one can increase crop productivity.

The booklet showcases the study contributions on pedology, geomorphology, mineralogy, micromorphology and weather switch accumulated from the literature on 3 significant soil varieties: shrink-swell soils, purple ferruginous (RF) soils and the soils that ensue within the tropical environments of the Indo-Gangetic Plains (IGP). It additionally offers insights into a number of facets of 5 pedogenetically very important soil orders like Alfisols, Mollisols, Ultisols, Vertisols and Inceptisols present in tropical Indian environments.

Documenting the importance of minerals in soils and their total effect in soil technology by way of pedology, paleopedology, polygenesis and edaphology, it offers an information base that's serious whilst trying to bridge the space among foodstuff creation and inhabitants development.

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By D.K. Pal

This e-book discusses the right way to follow the fundamental rules of pedology to the tropical soils of the Indian subcontinent, with an emphasis on how one can increase crop productivity.

The booklet showcases the study contributions on pedology, geomorphology, mineralogy, micromorphology and weather switch accumulated from the literature on 3 significant soil varieties: shrink-swell soils, purple ferruginous (RF) soils and the soils that ensue within the tropical environments of the Indo-Gangetic Plains (IGP). It additionally offers insights into a number of facets of 5 pedogenetically very important soil orders like Alfisols, Mollisols, Ultisols, Vertisols and Inceptisols present in tropical Indian environments.

Documenting the importance of minerals in soils and their total effect in soil technology by way of pedology, paleopedology, polygenesis and edaphology, it offers an information base that's serious whilst trying to bridge the space among foodstuff creation and inhabitants development.

Show description

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Additional resources for A Treatise of Indian and Tropical Soils

Example text

BP (Pal et al. 2006a, 2009a). These data suggest that Vertisols in India and elsewhere are developed during the Holocene period. 3 2 Cracking Clay Soils (Vertisols): Pedology, Mineralogy … Smectite Clay Minerals in Vertisols: Recent Initiatives for Their Proper Characterization To establish a link between smectitic mineralogy and important bulk properties of Vertisols especially their shrink-swell characteristic, often becomes difficult because on many occasions the description of smectitic minerals is inadequate or incomplete.

Pedoturbation was too much favoured as an important pedogenic process in Vertisols by the past researchers till early nineties (Soil Survey Staff 1992) that would obliterate all evidence of illuviation, except in the lower horizons (Eswaran et al. 1988; Mermut et al. 1996). The emphasis on pedoturbation possibly led Johnson et al. (1987) to consider this process to be an example of proisotropic pedoturbation caused by argilli-turbation, which was thought to destroy horizons or soil genetic layers and to make Vertisols revert to a simpler state.

4). Therefore, pedoturbation in Vertisols is a partially functional 30 2 Cracking Clay Soils (Vertisols): Pedology, Mineralogy … process that is not able to overshadow the more significant long-term clay illuviation process. Although argillic horizons are common in Vertisols, the Bt horizon does not get better than their dominant property (slickensides) because Vertisol soil order keys out before the Alfisols according to the US Soil Taxonomy. Thus, the classification of these soils as Vertisols would still be continued (Pal et al.

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