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Diagnosing potassium deficiency by soil analysis
Authors
A. L. BrownJames Quick
Gerard J. De Boer
Authors Affiliations
A. L. Brown is Lecturer and Specialist in the Agricultural Experiment Station; James Quick is Agriculturist, Agricultural Extension Service and Gerard; J. de Boer is Staff Research Associate. University of California Davis.Publication Information
Hilgardia 27(6):13-14. DOI:10.3733/ca.v027n06p13. June 1973.
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Abstract
Soil analysis, especially nitric acid extraction of potassium appears to be a very useful means of diagnosing potassium-deficient soils in California. Studies reported here compared two analytical methods for determining soil potassium levels. Plant growth responses were determined by greenhouse pot tests.
Brown A, Quick J, De Boer G. 1973. Diagnosing potassium deficiency by soil analysis. Hilgardia 27(6):13-14. DOI:10.3733/ca.v027n06p13
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