THE EFFECT OF DRAINAGE AND SULFUR ON SALINE-SODIC SOILS RECLAMATION AND THE GROWTH OF PISTACHIO TREES IN GARMSAR REGION

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AZADEGAN B.

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Journal: Iranian Journal of Irrigation and Drainage Year:2008 | Volume:2 | Issue:1 Page(s): 55-62

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Title

THE EFFECT OF DRAINAGE AND SULFUR ON SALINE-SODIC SOILS RECLAMATION AND THE GROWTH OF PISTACHIO TREES IN GARMSAR REGION

Author(s)

AZADEGAN B. | Issue Writer Certificate

Keywords

DRAINAGEQ2

PISTACHIOQ3

SALINE AND SODIC SOILQ3

SULFURQ2

SOIL RECLAMATIONQ3

GARMSARQ3

Abstract

About 23.4 million hectares of arable land in Iran have salinity problems due to the Sodium and Chloride accumulation in the soil profile, poor DRAINAGE, low irrigation water quality and incorrect irrigation system. Trees faces with sever growth reduction, pre-time leave shed, leave edge necrosis, nullness of fruits and product reduction due to weak DRAINAGE of soil. Irrigation water characteristics: EC=4.26 dS.m-1 pH=7.34, SAR=9.39, Na+ =21, Cl-=25 and HCO3- =1.6 (meq.lit-1).The main purpose of this research is to study the effect of applied reclamation methods on improvement of soil physical and chemical properties in a 50 hectares SALINE AND SODIC SOILs of PISTACHIO in 0-35 cm depth with loam-clay loam texture in GARMSAR region. The experiment was done in split plot statistical arrangement based on the randomized blocks with 4 treatments in three replicates: T0 evidence (soil before additions), T1 (leaching+ DRAINAGE) , T2 (T1+sulfur), T3(T2+deep plow+ animal manure), statistical analysis were done using MSTATC software. The results have shown that treatment T3 (P£0.01) had the highest effect on the reduction of salt concentration at soil surface layers so that Na+, cr changed from 81 and 110 to 6.33 and 13 (meq.lit-1) respectively, bulk density from 1.45 to 1.3 (g.cm-3) hydraulic conductivity from 5 to 55 (mm.h-1), pH from 8.2 to 7.7, ECe from 8.9 to 4.36 (dS.m-1), SAR from. 19.8 to 3.38 and ESP from 21.96 to 3.58 which is consequence of DRAINAGE and leaching. The results of leave analysis after three years experiment have shown that N, P, K. Fe, Cu, Zn, Mn concentrations have increased, adding enough organic mater and deep plowing which causes higher soil permeability and porosity and better water and element absorption in roots. SOIL RECLAMATION causes improvement in its physical and chemical properties which causes increase in growth of trees and higher production.

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APA: Copy

AZADEGAN, B.. (2008). THE EFFECT OF DRAINAGE AND SULFUR ON SALINE-SODIC SOILS RECLAMATION AND THE GROWTH OF PISTACHIO TREES IN GARMSAR REGION. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 2(1), 55-62. SID. https://sid.ir/paper/131619/en

Vancouver: Copy

AZADEGAN B.. THE EFFECT OF DRAINAGE AND SULFUR ON SALINE-SODIC SOILS RECLAMATION AND THE GROWTH OF PISTACHIO TREES IN GARMSAR REGION. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2008;2(1):55-62. Available from: https://sid.ir/paper/131619/en

IEEE: Copy

B. AZADEGAN, “THE EFFECT OF DRAINAGE AND SULFUR ON SALINE-SODIC SOILS RECLAMATION AND THE GROWTH OF PISTACHIO TREES IN GARMSAR REGION,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 2, no. 1, pp. 55–62, 2008, [Online]. Available: https://sid.ir/paper/131619/en

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