A Practical Course in Agricultural Chemistry

Author's PrefaceChapter 1 The Analysis of Soils 1.1 Soil Sampling 1.2 The Preparation of the Sample 1.3 The Mechanical Analysis of Soils 1.4 a Field Method for Textural Classification The Determination of Apparent Density, True Density, and Pore Space 1.5 The Determination of Apparent Density 1.6 The Determination of True Density 1.7 The Calculation of Pore Space in Soils The Determination of Soil Organic Matter 1.8 The Determination of Total Organic-Matter Content by Loss on Ignition 1.9 The Determination of Organic Matter From The Carbon Content of Soils 1.10 The Determination of Nitrogen in Soils 1.11 The Separation of Humus 1.12 The Fractionation of Soil Organic Matter The Determination of Carbonate in Soils 1.13 a Simple Method for the Determination of Carbonate in Soils 1.14 The Determination of Carbonate by Collins' Calcimeter 1.15 The Determination of Carbonate by Titration The Determination of Soil Reaction 1.16 Electrometric Determination of Soil Reaction 1.17 The B.D.H. Soil Test 1.18 The Tintometer Soil Reaction Test 1.19 The Determination of Lime Requirement by Woodrufts Buffer Solution 1.20 a Colorimetric Technique for Lime Requirement 1.21 The Determination of Lime Requirement by the Method of Hutchinson and Maclennan 1.22 The Estimation of Lime Requirement from Soil Reaction 1.23 Lime Requirement and Available Calcium The Determination of Nutrient Status 1.24 Laboratory Method for the Extraction of Available Nutrients 1.25 Determination of Phosphate with a Colorimeter or with Standard Solution 1.26 The Determination of Potash by Flame Photometry 1.27 The Determination of Calcium by Atomic Absorption 1.28 The Estimation of Lime Requirement from Available Calcium 1.29 The Determination of Calcium by Flame Photometry 1.30 The Determination of Magnesium by Atomic Absorption 1.31 The Colorimetric Determination of Magnesium 1.32 Field Method for Available Nutrients 1.33 The Determination of Phosphate in the Field 1.34 The Determination of Potash by Turbidimetry The Examination of Cation Exchange Properties 1.35 The Determination of Exchangeable Hydrogen 1.36 The Quantitative Determination of Metallic Cations That are Not Present as Soluble Salts 1.37 The Quantitative Determination of Metallic Cations That are also Present as Soluble Salts 1.38 The Determination of Cation Exchange Capacity of SoilsChapter 2 The Examination of Fertilizers and Manures 2.1 Introduction 2.2 Sampling and Dry-Matter Determination 2.3 The Determination of Organic Matter 2.4 The Determination of Nitrogen 2.5 The Determination of Phosphate 2.6 The Determination of Potash 2.7 The Gravimetric Determination of PotashChapter 3 The Proximate Analysis of Feeding Stuffs 3.1 Introduction 3.2 Sampling: Dry-Matter Estimation and Preparation of Sample 3.3 Determination of Total Minerals (Ash) 3.4 Extraction of Minerals and Percentage of Insoluble Ash 3.5 The Determination of Individual Minerals 3.6 The Determination of Sodium 3.7 The Determination of Potassium 3.8 The Determination of Calcium by Atomic Absorption 3.9 The Determination of Calcium by Flame Photometry 3.10 The Determination of Magnesium by Atomic Absorption 3.11 The Determination of Magnesium by Colorimetry 3.12 The Determination of Phosphate 3.13 The Determination of Crude Protein 3.14 The Determination of Digestible Crude Protein 3.15 The Determination of Crude Fat - Ether Extract 3.16 The Determination of Crude Fiber 3.17 The Calculation of Nitrogen-Free Extractive (Soluble Carbohydrates) 3.18 The Estimation of Starch Equivalent 3.19 The Presentation of ResultsChapter 4 The Analysis of Milk 4.1 Introduction 4.2 The Gravimetric Determination of Total Solids 4.