Laboratory Guide for Conducting Soil Tests and Plant Analysis: 1st Edition (Paperback) book cover

Laboratory Guide for Conducting Soil Tests and Plant Analysis

1st Edition

By J. Benton Jones, Jr.

CRC Press

384 pages | 20 B/W Illus.

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pub: 2001-06-28
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Description

With the help of this guide, you can use obtained test results to evaluate the fertility status of soils and the nutrient element status of plants for crop production purposes. It serves as an instructional manual on the techniques used to perform chemical and physical characteristic tests on soils. Laboratory Guide for Conducting Soil Tests and Plant Analysis describes the basis and procedures for each test in detail, including analytical instrumentation procedures and laboratory quality assurance requirements.

Table of Contents

Preface

INTRODUCTION

Reference Methods

Reagents, Standards, and Water

Elemental and Compound Designation

Other Considerations

Interpretation of a Soil Test/Plant Analysis Result

Units

Disclaimer

SOIL ANALYSIS (TESTING)

History and Purpose

Sequence of Procedures

Sampling

Transport to the Laboratory

Preparation of the Laboratory SampleWeighing versus Scooping

Sample Aliquot Determination

Laboratory Factors

Long-Term Storage

Soil pH

Soil Buffer pH

Extractable ElementsPhosphorus

Major Cations (K, Ca, Mg, and Na)

Micronutrients (B, Cl, Cu, Fe, Mn, and Zn)

Trace Heavy Metals

Extractable Nitrate-Nitrogen

Extractable Sulfate-Sulfur

Testing Organic Soils and Soilless Media

Organic Matter and Humic Matter Content Determinations

Soluble Salt Determination

Soil Texture (Mechanical Analysis)Special Tests

Testing Organic Soils and Soilless Media

Total Analysis

PLANT ANALYSIS

Purpose

Sampling

Sample PreparationPlant Tissue Preparation

Elemental Analysis for the Mineral Elements

Total Nitrogen Determination

Total Sulfur Determination

Methods for Expressing Elemental Content

Interpretation of Results

Decontamination

Oven Drying

Grinding

Organic Matter Destruction

Laboratory Analysis of Plant Digest

Extractable Elements

TISSUE TESTING

Introduction

Testing Kits

Preparation of Reagents for Conductiong Tissue Tests Using Filter Paper

Sampling Techniques

Testing Procedures

Methods of Interpretation

Use of a Specific-Ion Nitrate Meter

Sources for Kits and Instruments

PRINCIPLES OF INSTRUMENTAL ANALYSIS

Introduction

UV-VIS Spectrophotometry (Colorimetry)

Emission SpectroscopySpectrophotmetryAtomic Absorption Spectroscopy

Specific Ion Electrodes

pH and Specific-Ion Electrodes

Ion Chromatoraphy

QUALITY ASSURANCE/QUALITY CONTROL IN THE LABORATORY

IntroductionMethodology

Documentation

Accuracy and Precision

Standards

Instrumentaion

Laboratory Procedures

Participation in Proficiency Testing Programs

APPENDICES

Lists of Reagents, Standards, ph Buffers, Acids, Indicators, and Preparation of Standard Acids, Bases, and Buffers

Standards and Standard Preparation

Extraction Reagents and Procedures

The North American Proficiency Testing Program for Soil, Plant, and Water Analysis Laboratories (NAPT)

ASI Extraction Reagent Method for Soil Analysis

Reference Texts

Definitions

Conversion Factors

Each chapter also contains a references section.

Subject Categories

BISAC Subject Codes/Headings:
SCI011000
SCIENCE / Life Sciences / Botany
TEC003000
TECHNOLOGY & ENGINEERING / Agriculture / General
TEC010000
TECHNOLOGY & ENGINEERING / Environmental / General