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. 1934 Jul;9(3):663–669. doi: 10.1104/pp.9.3.663
PREPARATION OF HUMATE IRON AND OTHER HUMATE METALS
C Kenneth Horner
1, Dean Burk
1, Sam R Hoover
1
C Kenneth Horner
1Fertilizer Investigations Unit, Bureau of Chemistry and Soils, U. S. Department of Agriculture, Washington, D. C.
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Dean Burk
1Fertilizer Investigations Unit, Bureau of Chemistry and Soils, U. S. Department of Agriculture, Washington, D. C.
Find articles by Dean Burk
Sam R Hoover
1Fertilizer Investigations Unit, Bureau of Chemistry and Soils, U. S. Department of Agriculture, Washington, D. C.
Find articles by Sam R Hoover
1Fertilizer Investigations Unit, Bureau of Chemistry and Soils, U. S. Department of Agriculture, Washington, D. C.
PMCID: PMC439090 PMID: 16652906