Sinossi
This latest edition of this popular handbook first published in 1974 and again in 1980 reflects developments in soil analysis methods. The Handbook is a laboratory technique manual for common soil testing procedures that has been proven to be a valuable reference for those engaged in research as well as those providing soil testing analytical services to farmers. Each procedure is presented in a standard format and includes documentation on the ramifications of the procedure. It includes the major methods for managing plant nutrition currently in use in the United States and other parts of the world.
Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.
Contenuti
Introduction
Changing Role and Needs
Reference Methods
Soil Sample Exchanges
General Considerations
References
Summary Tables
Quality Assurance Plans for Agricultural Testing Laboratories
Introduction
Quality Assurance in the Laboratory
Statistical Control
Control Charts
Blind Studies
System Audits
Documentation
Summary
References
Soil Analysis Methods
Determination of Soil Water pH
Determination of Soil pH in 0.01 M CaCl2
Determination of Soil-Paste pH and Conductivity of Saturated Extract
Determination of Specific Conductance in Supernatant 1:2 Soil:Water Solution
Determination of Soil Buffer pH by the Adams-Evans Lime Buffer
Determination of the Soil Buffer pH by the SMP Lime Buffer-Original and Double Buffer Adaptation
Determination of Exchangeable Acidity and Lime Requirement by the Mehlich Buffer-pH Method
Determination of Phosphorus by Bray P1 Extraction
Determination of Phosphorus by Olsen's Sodium Bicarbonate Extraction
Determination of Potassium, Magnesium, Calcium and Sodium by Neutral Normal Ammonium Acetate Extraction
Determination of Phosphorus by Mehlich No. 1 (Double Acid) Extraction
Determination of Zinc by Mehlich No. 1 (Double Acid) Extraction
Determination of Phosphorus by Morgan Extraction
Determination of Potassium, Magnesium, Calcium and Sodium by Morgan Extraction
Determination of Phosphorus by Mehlich No. 3 Extraction
Determination of Potassium, Magnesium, Calcium and Sodium by Mehlich No. 3 Extraction
Determination of Manganese, Zinc and Copper by Mehlich No. 3 Extraction
Determination of Boron by Hot Water Extraction
Determination of Zinc by 0.1N HCl Extraction
Determination of Acid-Extractable Copper by the Mehlich-Bowling Method
Ammonium Bicarbonate-DPTA Soil Test for Potassium, Phosphorus, Zinc, Iron, Manganese, Copper, and Nitrate
Determination of Zinc, Manganese, Iron and Copper by DTPA Extraction
Determination of Cadmium, Copper, Nickel and Zinc by DTPA Extraction for Sludge-Amended Soils
Nitrate-Nitrogen Determination by Specific Ion Electrode
Determination of Potassium, Calcium, Magnesium and Sodium by Water Extraction
Determination of Organic Matter by Wet Digestion
Determination of Organic Matter by Loss-on-Ignition
Colorinetric Determination of Humic Matter with 0.2N NaOH Extraction
Determination of the Relative Availabilities of Hydrogen, Calcium, Magnesium, Potassium, Sodium, Phosphorus, Sulfur, Iron, Manganese, Zinc, Copper, Aluminum and Other Metals by a Small-Exchange Approach to Soil Testing
Determination of pH, Soluble Salts, Nitrate, Phosphorus, Potassium, Calcium, Magnesium, Sodium, and Chloride in Greenhouse Growth Media (Soiless Mixes) by Water Saturation Extraction
Equivalent Filter Paper Types
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Handbook on Reference Methods for Soil Analysis
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