The Determination of the Lime Requirement of Soils |
Contents
B Significance of Liming | 4 |
Importance of methods for the determination of lime requirement | 7 |
DEFINITION OF THE PROBLEM OF LIME REQUIREMENT | 10 |
3 other sections not shown
Common terms and phrases
acid soil active acidity adsorbed adsorption alkaline aluminum in solution aluminum ions ammonium acetate method amount of lime authors barium acetate base-unsaturation buffer solution buffering capacity C.E.C. values Ca(OH)2-air equilibration CaCO3 calcite decomposition calcium acetate carbonate cation exchange capacity clay minerals Co₂ concentration crops determined electrovalent equilibration method equilibrium pH excess ammonium acetate exchange complex exchangeable acidity exchangeable aluminum exchangeable bases exchangeable hydrogen factor give Hartsells sandy loam hydrogen and aluminum hydrogen ions hydrolysis hydrous oxides hydroxyl Kaolinite lattice lime requirement values liming material measure montmorillonitic negative charges nutrients organic colloids oxides paranitrophenol pH value plants plis ratio reaction replacing solution salt solution saturated Schofield serial titration procedure Shaw and Macintire Silt Loam soil acidity soil colloids soil pH soil sample soil solution stable allophane strongly buffered suspension titrable titratable acidity titration curves triethanolamine types of exchangeable unsaturation value for exchangeable values obtained