The effect of potassium fertilization on iron deficiency

Phillip Barak; Yona Chen

doi:10.1080/00103628309367422

The effect of potassium fertilization on iron deficiency

Phillip Barak
, Yona Chen

Department of Soil and Water Sciences

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

Preliminary experiments indicate that potassium fertilization at a rate of 270 mg K/kg soil ameliorates iron deficiencies in peanuts grown in an extremely calcareous soil (63% CaCO₃). Amelioration was greater with the application of KC1 than with that of KNO3 or K₂HPO₄, indicating that the cation:anion balance of roct uptake is involved. Potassium chloride application caused a 73% increase in the chlorophyll content; this value is 90% of that of the FeEDDHA treatment. Manipulation of the cation: anion balance of macronutrients may prove to be an effective means of controlling lime-induced chlorosis.

Original language	English
Pages (from-to)	945-950
Number of pages	6
Journal	Communications in Soil Science and Plant Analysis
Volume	14
Issue number	10
DOIs	https://doi.org/10.1080/00103628309367422
State	Published - 1 Aug 1983

Keywords

Potassium iron nutrition lime—
induced chlorosis cation anion balance

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10.1080/00103628309367422

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abstract = "Preliminary experiments indicate that potassium fertilization at a rate of 270 mg K/kg soil ameliorates iron deficiencies in peanuts grown in an extremely calcareous soil (63\% CaCO3). Amelioration was greater with the application of KC1 than with that of KNO3 or K2HPO4, indicating that the cation:anion balance of roct uptake is involved. Potassium chloride application caused a 73\% increase in the chlorophyll content; this value is 90\% of that of the FeEDDHA treatment. Manipulation of the cation: anion balance of macronutrients may prove to be an effective means of controlling lime-induced chlorosis.",

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AU - Chen, Yona

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N2 - Preliminary experiments indicate that potassium fertilization at a rate of 270 mg K/kg soil ameliorates iron deficiencies in peanuts grown in an extremely calcareous soil (63% CaCO3). Amelioration was greater with the application of KC1 than with that of KNO3 or K2HPO4, indicating that the cation:anion balance of roct uptake is involved. Potassium chloride application caused a 73% increase in the chlorophyll content; this value is 90% of that of the FeEDDHA treatment. Manipulation of the cation: anion balance of macronutrients may prove to be an effective means of controlling lime-induced chlorosis.

AB - Preliminary experiments indicate that potassium fertilization at a rate of 270 mg K/kg soil ameliorates iron deficiencies in peanuts grown in an extremely calcareous soil (63% CaCO3). Amelioration was greater with the application of KC1 than with that of KNO3 or K2HPO4, indicating that the cation:anion balance of roct uptake is involved. Potassium chloride application caused a 73% increase in the chlorophyll content; this value is 90% of that of the FeEDDHA treatment. Manipulation of the cation: anion balance of macronutrients may prove to be an effective means of controlling lime-induced chlorosis.

KW - Potassium iron nutrition lime—

KW - induced chlorosis cation anion balance

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JO - Communications in Soil Science and Plant Analysis

JF - Communications in Soil Science and Plant Analysis

IS - 10

ER -

The effect of potassium fertilization on iron deficiency

Abstract

Keywords

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