TY  - BOOK
AU  - Leeper, G. W.
AU  - Uren, N. C.
TI  - Soil science : an introduction
SN  - 8188689491
U1  - 631.4 
PY  - 2006///
CY  - New Delhi
PB  - Overseas Press India Pvt. Ltd.
KW  -  
N1  - CONTENTS Preface  ix I  MAPPING, CLASSIFICATION AND FORMATION OF SOILS 1  Soil in the Field: the 'Soil Type'  3 2  Soil Profiles and their Classification  17 3  Soil Formation  35 II  THE PHYSICS OF SOIL 4  Introduction to Physical Properties  57 5  Colloids of the Soil  65 6  The Soil as a Reservoir of Water  90 7  Excessive Water: Aeration and Drainage  110 8  Mechanical Composition  123 9  Soil Temperature  129 III  THE CHEMISTRY OF THE SOIL 10  General Chemical Considerations  137 11  Soil Organisms and Organic Matter  148 12  The Nitrogen Cycle  166 13  Primary Minerals in Soils  184 14  Acidity and Alkalinity  191 15  Calcium, Magnesium, Potassium, Sodium 202 16  Phosphorus and Sulphur  215 17  Iron, Aluminium, Silicon  227 18  Various Trace Elements  231 IVSOIL EROSION 19  Soil Erosion  243 Appendix:Suggestions for Practice  253 Glossary  266 Abbreviations, Symbols, Units  285 Index  288
ER  -