TABLE OF CONTENTS 



CHAPTER I 



PAGES 



INTRODUCTORY VIEW . 1-13 



Classification of plants, 2 Variety, 3 Genus, 4 

 Naming of plants. 5 The family, 5 Order, class, and 

 division, 6 Length of life, 7 Cultivated plants, 8 

 Field crops, 8 Classification of field crops, 9 Defi- 

 nition of terms, 12. 



CHAPTER II 



CROP ROTATIONS ......... 14-28 



Rotation experiments at Rothamsted, 15 Rotation 

 experiments in Iowa and Illinois, 17 Rotation experi- 

 ments in Ohio, 18 Why rotations give better yields, 

 20 Planning a rotation, 23 Rotation does not main- 

 tain fertility, 25 Suggested rotations, 27. 



CHAPTER III 



CORN OR MAIZE 29-58 



Historical, 29 Botanical characteristics, 30 Root, 

 stem, and leaves, 30-33 Flowers, ear, and kernel, 34- 

 37 Ancestors of the corn plant, 38 Types of corn, 

 41-50 Uses of corn plant, 50-53 The world's pro- 

 duction, 54 Adaptation, 57. 



CHAPTER IV 

 CORN OR MAIZE (Continued) . . . . . . 59-98 



Methods of culture, 59 Plowing and preparing the 

 land, 61-67 Testing the seed, 68 Time, depth, and 



