Soil and Plant Analysis Laboratory Manual

1-L volume Acid Solution Add 10 mL Agron air-dry soil aliquot ammonium acetate Apparatus Atomic Absorption Spectrophotometer beaker bicarbonate block-digester Boron bring to 1-L bring to volume buffer solution CaCO3 calcium CALCULATION calibration curve carbonate chemical chloride concentrated sulfuric acid cool crop CWANA region desiccator determination digestion tube Dissolve distillation flask distillation unit DTPA EDTA Erlenmeyer flask ferrous ammonium sulfate fertilizer filter paper filtrate funnel g air-dry gypsum hydrochloric acid ICARDA laboratory measurement meq/L micronutrient minutes mL concentrated sulfuric mL DI water moisture NaOH Nitrogen nutrient organic matter oven Phosphorus Pipette plant analysis plant material Procedure reagent saturation extract shake sodium hydroxide soil analysis soil and plant soil extracts soil g soil sample Soil Sci soil test soluble solution contains Spectrophotometer Standard Solutions Standard Stock Solution Stock Solution sub-samples sulfuric acid suspension temperature titration Total volume volumetric flask wavelength Weight of air-dry