POTASSIUM QUANTITY-INTENSITY CURVES FOR SOILS OF DIFFERENT SPECIFIC SURFACE AREA

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TALEBIZADEH E.; ABBASMANESH G.; MOVAHEDI NAEINI S.A.R.

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Journal: Journal of Water and Soil Conservation Year:2012 | Volume:19 | Issue:2 Page(s): 23-41

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Title

POTASSIUM QUANTITY-INTENSITY CURVES FOR SOILS OF DIFFERENT SPECIFIC SURFACE AREA

Author(s)

TALEBIZADEH E. | ABBASMANESH G. | MOVAHEDI NAEINI S.A.R. | Issue Writer Certificate

Keywords

QUANTITY-INTENSITY CURVESQ2

POTASSIUM BUFFERING CAPACITYQ1

POTASSIUMQ2

AMMONIUM AND SODIUM IONSQ2

SOILS WITH DIFFERENT SPECIFIC SURFACE AREAQ2

Abstract

Potassium as an essential plant nutrient plays important physiological roles in plants. Q/I relationships present beneficial information for assessment of plant POTASSIUM availability and fertilizer application management. The K quantity intensity relationships and their parameters; labile K, slowly exchangeable K, POTASSIUM activity ratio, POTASSIUM activity ratio at equilibrium and POTASSIUM BUFFERING CAPACITY/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank"> POTASSIUM BUFFERING CAPACITY were compared using four treatments (potassium chloride, POTASSIUM chloride+ammonium chloride, POTASSIUM chloride+sodium mono phosphate and POTASSIUM chloride+ammonium chloride+sodium mono phosphate) on three soils with different specific surfaces. Soil samples obtained from 0-30 cm top-soils of Rahmat Abad soil series (Gorgan University-Pardis), Lavark (Isfahan) and Salehan village (Khomein). The maximum soil PBCk obtained for Gorgan Uneversity (Pardis). Clay type and soil cation exchange capacity control PBCk and its parameters in these soils. Maximum PBCk was obtained by POTASSIUM chloride and minimum by POTASSIUM chloride+Ammonium chloride in all soils. The PBCk for POTASSIUM chloride+sodium mono phosphate was greater than POTASSIUM chloride +ammonium chloride+sodium mono phosphate. Increased sodium salt concentration in solution may increase sodium salt concentration in diffuse double layer and hence PBCk. Since the bulk of water and nutrients are held in truncated diffuse double layers with soils of high specific surface area at field conditions, solution POTASSIUM concentration and ARK e may more closely estimate plant available POTASSIUM relative to PBCk; also suggesting ARK e as a more relevant index when comparing POTASSIUM availability for soils of widely differing specific surface area.

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APA: Copy

TALEBIZADEH, E., ABBASMANESH, G., & MOVAHEDI NAEINI, S.A.R.. (2012). POTASSIUM QUANTITY-INTENSITY CURVES FOR SOILS OF DIFFERENT SPECIFIC SURFACE AREA. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 19(2), 23-41. SID. https://sid.ir/paper/156611/en

Vancouver: Copy

TALEBIZADEH E., ABBASMANESH G., MOVAHEDI NAEINI S.A.R.. POTASSIUM QUANTITY-INTENSITY CURVES FOR SOILS OF DIFFERENT SPECIFIC SURFACE AREA. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2012;19(2):23-41. Available from: https://sid.ir/paper/156611/en

IEEE: Copy

E. TALEBIZADEH, G. ABBASMANESH, and S.A.R. MOVAHEDI NAEINI, “POTASSIUM QUANTITY-INTENSITY CURVES FOR SOILS OF DIFFERENT SPECIFIC SURFACE AREA,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 19, no. 2, pp. 23–41, 2012, [Online]. Available: https://sid.ir/paper/156611/en

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