Concepedia
Plant and Soil · 2001 · 32 citations · 30 references
30
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
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
Genstat 5 Release 3 Reference Manual.
James Roger, R. W. Payne · Journal of the Royal Statistical Society Series A (Statistics in Society) · 1994 · 1.6K citations
Genstat 5, Engineering, Data Science +14
COLORIMETRIC DETERMINATION OF PHOSPHORUS IN SOIL AND PLANT MATERIALS WITH ASCORBIC ACID
Matt K. John · Soil Science · 1970 · 866 citations
Engineering, Environmental Engineering, Soil Science +3
Factors affecting the agronomic effectiveness of phosphate rock for direct application
S. H. Chien, R. G. Menon · Nutrient Cycling in Agroecosystems · 1995 · 254 citations
Biogeochemistry, Engineering, Environmental Engineering +7