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Estimation of Available Soil Potassium from Plant Analyses 1
Author(s) -
Phillips M. W.,
Barber S. A.
Publication year - 1959
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1959.00021962005100070012x
Subject(s) - potassium , agronomy , nitrogen , chemistry , greenhouse , phosphate , potash , potassium phosphate , biology , chromatography , biochemistry , organic chemistry
Synopsis Results from greenhouse and field experiments indicate that total potassium uptake is a more precise measurement of available soil potassium than is the percent potassium in the whole plant or in the sixth leaf. Total uptake of potassium varied less with variations in nitrogen, phosphate and plant weight than did percent composition.