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GENESIS AND DEVELOPMENT OF SOME GYPSIFEROUS SOILS IN IRAQ | ||
| AL-TAQANI | ||
| Article 1, Volume 24, Issue 5, 2011, Pages 0-0 | ||
| Abstract | ||
| Ten pedons were selected within three transects covering most main and secondary physiographic units in some of Iraqi gypsiferous soil present which different within gypsum content , development degree and nature of parent material . Morphological, physical and chemical properties reflecting the genesis state of soil series were studied . The results of this study indicated that there was some differences in soil development between the studies pedons even within same physiographic location or between different type of physiographic location due to the effect of local factors and the effect of pedogenesis and geomorphic processes . The results indicated that there were three soil groups according to there degree of development including soil with A-C profile and soils with weak development features and the third group included soils with high degree of development . The results showed that there was an interaction between diagnostic subhorizions (Gypsic,Calcic, Argillic) within the same pedon referring to multistage of formation for these soils during the past time . | ||
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