A STUDY OF MORPHOLOGY, SEM AND GENESIS OF SOME SALIFEROUS AND GYPSIFEROUS SOILS IN BARN AREA

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MOGHISEH E.; MAHMOUDI SH.; HEYDARI AHMAD; ZEYN ALDINI A.; MASIH ABADI M.H.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38 | Issue:3 Page(s): 431-446

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Title

A STUDY OF MORPHOLOGY, SEM AND GENESIS OF SOME SALIFEROUS AND GYPSIFEROUS SOILS IN BARN AREA

Author(s)

Keywords

MICROMORPHOLOGYQ3

SEMQ3

EDSQ3

HALITEQ3

GYPSMN HABITQ3

BAMQ3

Abstract

Saliferous - gypsiferous soils are among a vast extension of soils in arid and SEMiarid regions of the world. Although there have been numerous studies dealing with these soils, yet many scientists are still interested in the genesis and particularly morphology of gypsmn as well as more soluble salts in these soils. This study was carried out in Barn region to investigate the soil genesis as well as morphology of gypsmn and salts in soils of this area. Eight pedons located on a gravelly alluvial fan were field described and sampled. Physicochemical determinations, including; soil texture, electrical conductivity of saturated extract, soil reaction, organic carbon content, gypsum percentage, and soluble anions & cations were determinated in samples, based upon standard methods. Undisturbed oriented san1pleswere taken for thin section preparation. SEM assisted EDS was employed for more detailed morphological study of these salts. The soils were classified as Petogypsic Haplosalids. Pedogenic gypsmn shows a range of habits in these soils, ranging from fibreous to granular and lenticular in the petrogypsic horizon, to tabular pseudo-hexagonal habit on gypsum, pendant at depth. Cubic HALITE crystals have been observed under the petrographic microscope, probably because of having been trapped between less soluble gypsmn crystals. The distribution pattern of gypsmn and salts suggest that the gypsmn crystal pendants of the lower depths have been formed under a more hmnid climate than that of present days, whereas, gypsmn and salts on the upper petrogypsic horizon are more related to the presently drier climate.

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APA: Copy

MOGHISEH, E., MAHMOUDI, SH., HEYDARI, AHMAD, ZEYN ALDINI, A., & MASIH ABADI, M.H.. (2007). A STUDY OF MORPHOLOGY, SEM AND GENESIS OF SOME SALIFEROUS AND GYPSIFEROUS SOILS IN BARN AREA. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38(3), 431-446. SID. https://sid.ir/paper/8648/en

Vancouver: Copy

MOGHISEH E., MAHMOUDI SH., HEYDARI AHMAD, ZEYN ALDINI A., MASIH ABADI M.H.. A STUDY OF MORPHOLOGY, SEM AND GENESIS OF SOME SALIFEROUS AND GYPSIFEROUS SOILS IN BARN AREA. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38(3):431-446. Available from: https://sid.ir/paper/8648/en

IEEE: Copy

E. MOGHISEH, SH. MAHMOUDI, AHMAD HEYDARI, A. ZEYN ALDINI, and M.H. MASIH ABADI, “A STUDY OF MORPHOLOGY, SEM AND GENESIS OF SOME SALIFEROUS AND GYPSIFEROUS SOILS IN BARN AREA,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38, no. 3, pp. 431–446, 2007, [Online]. Available: https://sid.ir/paper/8648/en

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