Concepedia
Plant and Soil · 1987 · 88 citations · 13 references
BiogeochemistryEngineeringSoil FunctionSoil FertilityEarth SciencePhosphorus StatusNutrient Management
13
AN EXAMINATION OF THE DEGTJAREFF METHOD FOR DETERMINING SOIL ORGANIC MATTER, AND A PROPOSED MODIFICATION OF THE CHROMIC ACID TITRATION METHOD
Allan Walkley, I. ARMSTRONG BLACK · Soil Science · 1934 · 21K citations · Full text
A modified single solution method for the determination of phosphate in natural waters
J.E. Murphy, J.P. Riley · Analytica Chimica Acta · 1962 · 20.7K citations
Environmental Chemistry, Engineering, Natural Waters +5
Iron Oxide Removal from Soils and Clays by a Dithionite-Citrate System Buffered with Sodium Bicarbonate
O. P. Mehra, M. L. Jackson · Clays and clay minerals (National Conference on Clays and Clay Minerals) · 1958 · 4.2K citations
Chemical Engineering, Environmental Chemistry, Sodium Bicarbonate +14
A Recalibration of the Hydrometer Method for Making Mechanical Analysis of Soils<sup>1</sup>
George John Bouyoucos · Agronomy Journal · 1951 · 1.7K citations
Soil Characterization, Soil Property, Engineering +8
Phosphate Sorption Isotherms for Evaluating the Phosphate Requirements of Soils
R. L. Fox, E. J. Kamprath · Soil Science Society of America Journal · 1970 · 659 citations
Environmental Chemistry, Biogeochemistry, Phosphate Requirements +15