CONTENTS. 



I. NATURE AND FORMATION OF SOILS .... 3 

 II. CLASSIFICATION AND PHYSICAL PROPERTIES 



OF SOILS 43 



III. SOIL MOISTURE AND PREPARATION OF THE 



SOIL 59 



IV. THE SOIL AS RELATED TO PLANTS .... 77 

 V. LEGUMINOUS PLANTS 109 



VI. PRINCIPLES OF FEEDING 131 



VII. ROTATION OF CROPS 153 



VIII. MILK AND ITS CARE 163 



IX. PROPAGATION OF PLANTS 201 



X. IMPROVEMENT OF PLANTS 245 



XL PRUNING OF PLANTS 271 



XII. ENEMIES OF PLANTS 289 



XIII. ORNAMENTATION OF SCHOOL AND HOME 



GROUNDS 349 



XIV. FARM ANIMALS 393 



GENERAL REFERENCES : 



Weeds 437 



Forest Trees of America 437 



AGRICULTURAL PUBLICATIONS : 



Publications of United States Department of 



Agriculture 438 



Publications of State Experiment Stations . 438 



AGRICULTURAL EXPERIMENT STATIONS 439 



PUBLISHING HOUSES 441 



GLOSSARY 442 



INDEX 445 



xi 



