CONTENTS. 



CHAP. PAGE 



I. PLANT GROWTH 1 



II. THE ATMOSPHERE AND SOIL 16 



III. MANURES 30 



IV. CROPS 47 



V. ROTATION OF CROPS 63 



VI. ANIMAL NUTRITION 75 



VII. FOODS 87 



VIII. RELATION OF FOOD TO ANIMAL REQUIREMENTS . 116 



IX. RELVTION OF FOOD TO MANURE 133 



X. THE DAIRY 143 



