Soil, Plant, Water and Fertilizer Analysis (2nd Ed.)

Soil, Plant, Water and Fertilizer Analysis (2nd Ed.)
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Soil, Plant, Water and Fertilizer Analysis (2nd Ed.)

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Publisher: Agrobios Publications
ISBN: 9788177543063
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PREFACE
Soil, plant, water and fertilizers are the major ingredients of interest in agriculture system. Analysis of soil, plant and water as natural resources is of utmost importance in regard to conservation strategies. The fertilizers are invariably used for supplying the nutrients to growing plants. They need characterization for their balanced and judicious use. This manuscript is a compilation of some tested and widely used analytical method of characterizing soil, plant, water and fertilizers. The text presented in the book is subdivided into nineteen chapters and four appendixes dealing with procedures of quantifying various physical and chemical properties of soil, water and fertilizers as well as chemical composition of plant material. Some analytical concepts related to soil microbiology and water biology have been dealt separately. The method given are described under four sub heads viz., Principle, Materials Equipment, Method and Calculation. Brief explanations of the important steps have also been included. Modifications in the method and calculations are made wherever felt necessary for providing better understanding and clarity about the subject. Hopefully, the technical information contained herein will prove useful to students, teachers, scientists and analysis studying working in the field of biological and applied sciences, more specifically, in the fields of Soil Science, Agronomy, Horticulture, Environmental Science, Plant Science, Geology, Hydrology, Microbiology and Forestry. It will also prove as a tool for soil testing, quality control and research laboratories of related fields. Efforts are made to make this publication self explanatory and useful however, any suggestions for improvement will be highly appreciated. The author acknowledges the every source of information from where he has drawn technical matter. The author is also thankful to M s Agrobios India , Jodhpur for their cooperation. May, 2007
P. K. Gupta
CONTENTS
1.
COLLECTION AND PREPARATION OF SOIL SAMPLES FOR ANALYSIS .............................................................................1 Tools and Materials ................................................................................................... 1 Sampling for Fertility Evaluation and Fertilizer Recommendation ............................ 2 Sampling for Soil Reclamation .................................................................................. 4 Sampling for Garden Plantation ................................................................................ 4 Processing and Storage of Samples ............................................................................ 5
2.
ESTIMATION OF SOIL TEXTURE ..................................................6 Field method for texture determination..................................................................... 6 Mechanical Analysis of Soil ........................................................................................ 7 International Pipette Method ..................................................................................... 8 Equipments and Reagents ....................................................................................... 8 Method .................................................................................................................. 8 Separation of Course Sand ................................................................................... 10