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Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES   2004 , Volume 18 , Number 1; Page(s) 0 To 0.
 
Paper: 

THE CORRELATION OF K QUANTITY-INTENSITY PARAMETERS WITH K EXTRACTED BY CHEMICAL METHODS AND GARLIC INDICIES IN SOME SOILS OF HAMADAN

 
 
Author(s):  HOSSEINPUR A.R., BIABANAKI F.
 
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Abstract: 
Quantity-intensity (Q/I) curves and their parameters are among the methods of determining soil K status. The objectives of this work were to study the correlation of Q/I parameters with K extracted by chemical methods and garlic (Allium aestivum) indicies in 8 soils from Hamadan Province. Soil samples were equilibrated with solution containing different potassium activity ratios. Changes in K concentration in the equilibrium solution were plotted against activity ratio of K, and Q/I parameters were determined. Available K was determined by 13 chemical extractants. The results showed variations in soils with respect to Q/I parameters. Activity ratio at equilibrium (ARk) was significantly correlated with K extracted by 0.1 M BaCl2, 0.05 and 0.1 M HCl, 1 M sodium acetate, 0.025 M H2 SO4, and distilled water. Labile K (ΔK) was significantly correlated with K extracted by 0.1 M BaCl2, citric acid + stroncium chloride, Mehlich 1, 0.05 and 0.1 M HCl, 1 M sodium acetate, 0.025 H2SO4 and distilled water. Labile K was significantly correlated with ARk . Slowly exchangeable K was significantly correlated with K extracted by DTPA and NH4OAC. Potassium buffering capacity was significantly correlated with CEC. The results of pot experiment showed that KΔ was significantly correlated with K concentration, relative yield and response and ARk were significantly correlated with K concentration, K uptake, relative yield and plant response. Other Q/I parameters were not significantly correlated with plant indicies. Labile K and ARk critical levels for 90 percent relative yield of garlic were 65 mg kg-1 and 10 (mmol L-1)0.5, respectively.
 
Keyword(s): POTASSIUM, QUANTITY-INTENSITY, EXTRACTANT, GARLIC
 
 
References: 
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Citations: 
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APA: Copy

HOSSEINPUR, A., & BIABANAKI, F. (2004). THE CORRELATION OF K QUANTITY-INTENSITY PARAMETERS WITH K EXTRACTED BY CHEMICAL METHODS AND GARLIC INDICIES IN SOME SOILS OF HAMADAN. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, 18(1), 0-0. https://www.sid.ir/en/journal/ViewPaper.aspx?id=14075



Vancouver: Copy

HOSSEINPUR A.R., BIABANAKI F.. THE CORRELATION OF K QUANTITY-INTENSITY PARAMETERS WITH K EXTRACTED BY CHEMICAL METHODS AND GARLIC INDICIES IN SOME SOILS OF HAMADAN. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES. 2004 [cited 2021June21];18(1):0-0. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=14075



IEEE: Copy

HOSSEINPUR, A., BIABANAKI, F., 2004. THE CORRELATION OF K QUANTITY-INTENSITY PARAMETERS WITH K EXTRACTED BY CHEMICAL METHODS AND GARLIC INDICIES IN SOME SOILS OF HAMADAN. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, [online] 18(1), pp.0-0. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=14075.



 
 
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