Soil Chemical Analysis |
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absorption acid added aliquot ALTERNATIVE PROCEDURES ammonium Anal analysis beaker Beer's law boron brom Buchner funnel buffer carbon cation exchange capacity centrifuge tube Chem chemical chromic acid color colorimetric conical flask cresol crucible cupferron curve determination digestion diluted dissolved distilled water electrode elements employed ethanol exchange capacity extraction ferrous filter paper filtrate flame emission funnel glass gm of soil H₂O H₂SO HCIO heated indicator ions iron metallic cations method minutes mixed ml of concentrated ml of water molybdate Na,CO NaOH Needed apparatus includes Needed reagents NH4OH organic matter oxidation percentage pH value phosphate phosphorus pipet plant tissue platinum potassium precipitate Proc reagents removed residue runoff salts saturation silica soil pH soil sample Soil Sci soil testing soluble spectrophotometer standard supernatant suspension temperature test solution tion titration Versene volume volumetric flask washed wave length weight zinc