CONTENTS 



PREFACE 



FOREWORD TO THE TEACHER 



LIST OF ILLUSTRATIONS 



CHAPTER 



I. WHAT PLANTS NEED (STUDY OF SEEDS) . 



II. HOW THE ROOT GETS FOOD FROM THE SOIL , 



III. THE SOIL, HOW MADE AND FROM WHAT . 



IV. WHAT WATER DOES IN SOILS 

 V. TILLAGE AND CULTIVATION . 



VI. How THE LEAF GETS FOOD FROM THE AIR 



VII. How THE PLANT USES THE FOOD IT MAKES . 



VIII. How PLANTS ARE PROPAGATED 



IX. How PLANTS ARE IMPROVED . 



X. How PLANTS ARE INFLUENCED BY THEIR 



ROUNDINGS 



XI. POOR CROPS AND HOW TO GET BETTER ONES , 



XII. FERTILIZATION AND FERTILIZERS 



XIII. THE WEATHER 



XIV. WEEDS ' . 



XV. FOES AND FRIENDS OF THE PLANT . 



XVI. FOES AND FRIENDS OF THE PLANT (continued) 



XVII. DISEASES OF PLANTS 



XVIII. BACTERIA 



XIX. THE VARIOUS CROP OR CULTURE PLANTS 



XX. FIELD CROPS 



XXI. ORCHARD FRUITS .... 



SUR- 



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