Soil Sampling, Preparation, and AnalysisThis second edition of the popular Soil Sampling, Preparation, and Analysis provides a hands-on guide to the methods most commonly used in modern soil laboratories around the world, illustrating the methods with actual results. Divided into three sections, the book covers principles of soil sampling and sources of errors and variability of results, common procedures for extraction and analysis in soil plant testing, and instrumentation. The author added three new chapters on soil and plant test methods, electron microscopy, and nuclear magnetic resonance. He has extensively revised, updated, and expanded all of the other chapters to reflect recent advances and shifting interests in the field. |
Contents
Chapter 1 PRINCIPLES OF SOIL SAMPLING | 1 |
Chapter 2 SAMPLE PREPARATION | 29 |
Chapter 3 ERRORS VARIABILITY AND CHEMICAL UNITS OF SOIL ANALYSIS | 42 |
Chapter 4 METHODS OF SOIL CHEMICAL ANALYSIS | 82 |
Chapter 5 SOIL AND PLANT TEST | 98 |
Chapter 6 DETERMINATION OF SOIL WATER | 135 |
Chapter 7 DETERMINATION OF SOIL TEXTURE | 154 |
Chapter 8 DETERMINATION OF SOIL DENSITY AND POROSITY | 175 |
Chapter 9 SOIL pH MEASUREMENT AND LIME REQUIREMENT | 189 |
Chapter 10 CATION EXCHANGE CAPACITY AND BASE SATURATION DETERMINATION | 215 |
Chapter 11 DETERMINATION OF MACROELEMENTS | 240 |
Chapter 12 DETERMINATION OFMICROELEMENTS | 302 |
Chapter 13 DETERMINATION OF SOIL ORGANIC MATTER | 339 |
Chapter 14 SPECTROPHOTOMETRY ANDCOLORIMETRY | 365 |
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Common terms and phrases
1-L volumetric flask absorbance accuracy and precision Agronomy amounts analyzed atomic absorption spectroscopy beaker beam bulk density centrifuge chemical clay minerals color colorimetric concentration determination of total diffraction digestion dilute to volume dissolve distilled water EDAX edited electron element emission endothermic endothermic peak error extraction Figure flame fraction fulvic acid g of soil gibbsite H₂O heating humic acid humic matter humic substances indicated infrared inorganic instruments ions kaolinite lime loam measured Mehlich method microscope mixture mL distilled water NaOH nutrient organic matter oxidation particles Pipet Plant Analysis plant growth procedure radiation reaction Reagents silt smectite Soil Analysis soil pH soil sample Soil Sci soil testing soil texture soluble solution spectra spectrophotometry spectrum standard supernatant temperature tube types ultisols unit volume with distilled volumetric flask wavelength Weigh whereas x-ray yield