Elements of Agricultural Chemistry
by James Finlay Weir Johnston
ISBN: 9789359198606
View Ebook
Imprint : Agri Horti Press
Year : 2025
Price : Rs. 18595.00
Biblio :
About The Book
• This book explains the concepts of agricultural chemistry in a simple language.
• The book presents information on both theoretical and practical issues on agriculture and soil science.
• The book will cater the needs of students, teachers and researchers not only in the discipline of agricultural chemistry but also in the fields of agriculture.
Table of Contents
CHAPTER I. INTRODUCTORY 1
CHAPTER II. CHEMICAL NOMENCLATURE AND NOTATION 10
CHAPTER III. THE ELEMENTARY CONSTITUENTS OF PLANTS AND ANIMALS 21
CHAPTER IV. COMPOSITION OF THE ATMOSPHERE 49
CHAPTER V. THE CONSTITUENTS OF THE ASHES OF PLANTS 59
CHAPTER VI. STRUCTURE AND MODES OF GROWTH OF THE PLANT 67
CHAPTER VII. THE PROXIMATE CONSTITUENTS OF PLANTS. 74
CHAPTER VIII. THE COMPOSITION OF SOILS 93
CHAPTER IX ORIGIN AND CLASSIpicATION OF SOILS 101
CHAPTER X. SUBDIVISION OF ROCKS 112
CHAPTER XI. THE RELATION BETWEEN SOlLS AND THE ROCKS FROM WHICH THEY WERE FORMED 125
CHAPTER XII. THE PHYSICAL PROPERTIES OF SOILS—FERTILE AND BARREN SOILS 135
CHAPTER XIII. THE RELATION BETWEEN PLANTS AND THE SOILS IN WHICH THEY GROW, AND THE MAN^JRES APPLIED TO THEM 157
CHAPTER XIV. THE IMPROVEMENT OF SOILS 166
CHAPTER XV. IMPROVEMENT OF SOILS BY TILLAGE AND MIXING 178
CHAPTER XVI. IMPROVEMENT OF SOILS BY THE AGENCY OF VEGETATION 186
CHAPTER XVII. LIME : ITS USES IN AGRICULTURE 197
CHAPTER XVIII. IMPROVEMENT OF SOILS BY PARING AND BURNING THEIR SURFACE 215
CHAPTER XIX. THE IMPROVEMENT OF THE LAND BY IRRIGATION 220
CHAPTER XX. RETENTION OF SOLUBLE SALTS BY SOILS—THE COMPOSITION OF DRAINAGE WATERS 224
CHAPTER XXI. THE EXHAUSTION OF SOILS 232
CHAPTER XXII. THE GERMINATION OF SEEDS 243
CHAPTER XXIII. THE ASSIMILATION OF CARBON, OXYGEN, AND HYDROGEN BY PLANTS 250
CHAPTER XXIV. THE ASSIMILATION OF NITROGEN BY PLANTS. Assimilation of free nitrogen—Nitric acid a source of nitrogen 253
CHAPTER XXV. THE ASH CONSTITUENTS OF PLANTS 255
CHAPTER XXVI. THE COMPOSITION AND DISTRIBUTION OF THE ASH CONSTITUENTS OF PLANTS 262
CHAPTER XXVII. ON MANURING. 271
CHAPTER XXVIII. HOW SOILS LOSE AND GAIN DURING CROPPING 274
CHAPTER XXIX. THE VALUATION OF UNEXHAUSTED MANURES IN SOILS 281
CHAPTER XXX. FARMYARD MANURE AND ANIMAL EXCREMENTS 290
CHAPTER XXXI. THE STORAGE AND APPLICATION OF FARMYARD MANURE 299
CHAPTER XXXII. GUANO 306
CHAPTER XXXIII. BONES AND OTHER PHOSPHATIC MANURES 311
CHAPTER XXXIV. HUMAN EGESTA AND TOWN SEWAGE 328
CHAPTER XXXV. ANIMAL MANURES 337
CHAPTER XXXVI. VEGETABLE MANURES 341
CHAPTER XXXVII. SALINE AND EARTHY MANURES 352
CHAPTER XXXVIII. APPLICATION AND VALUATION OF ARTIFICIAL MANURES 363
CHAPTER XXXIX. ANIMAL NUTRITION 367
CHAPTER XL. FUNCTIONS, COMPOSITION, AND DIGESTIBILITY OF VEGETABLE FOODS 375
CHAPTER XLI. FODDER CROPS 386
CHAPTER XLII. CROPS FURNISHING SEEDS 397
CHAPTER XLII. OILCAKES AND OTHER "PURCHASED FOODS." 408
CHAPTER XLIV. ROOTS AND TUBERS 412
CHAPTER XLV. MILK 422
CHAPTER XLVI. BUTTER AND CHEESE 447
CHAPTER XLVII. FOOD-RATIONS 463
Index to Authors referred to 471
General Index 474
