| Chapter | | Page |
| I. | Introduction to Plants | 3 |
| II. | Roots | 9 |
| | Uses of roots to plants | 9 |
| | Habit of growth of roots | 11 |
| | Conditions necessary for root growth | 20 |
| III. | Soils | 23 |
| | Relation of soil to plants | 23 |
| | Classification of soils | 26 |
| | How were soils made? | 30 |
| | Soil texture | 37 |
| IV. | Relation of Soils to Water | 39 |
| | Importance of water to plants | 39 |
| | Sources of soil water | 40 |
| | Attitude of soils toward water: | |
| | Percolation | |
| | Absorption from below | |
| | Power to hold water | 40 |
| | The effect of working soils when wet | 45 |
| V. | Forms of Soil Water | 48 |
| | Free water | 48 |
| | Capillary water | 49 |
| | Film water | 50 |
| VI. | Loss of Soil Water | |
| | By surface wash | |
| | By percolation and leaching | |
| | By evaporation | |
| | By transpiration | |
| | How to check these losses | 53 |
| VII. | Soil Temperature | 57 |
| | How soils are warmed | 58 |
| | How soils lose heat | |
| | How to check loss of heat | 59 |
| | Conditions which influence soil temperature | 60 |
| | Value of organic matter | 61 |
| VIII. | Plant Food in the Soil | 63 |
| IX. | Seeds | 70 |
| | Conditions necessary for sprouting | 70 |
| | Seed testing | 75 |
| | How the seeds come up | 77 |
| | Use of cotyledons and endosperm | 79 |
| X. | Seed Planting | 81 |
| | Depth of planting: | |
| | Operation of planting | |
| | Planting machines | 81 |
| | Seed classification | 85 |
| | Transplanting | 87 |
| XI. | Spading and Plowing | 90 |
| | Spading the soil | 90 |
| | Plowing | 91 |
| | Why we spade and plow | 91 |
| | Parts of a plow | 92 |
| | Characteristics of a good plow | 95 |
| | The furrow slice | 96 |
| | How deep to plow | 96 |
| | "Breaking out the middles" | 97 |
| | Ridging the land | 98 |
| | Time to plow | 98 |
| | Bare fallow | 100 |
| XII. | Harrowing and Rolling | 101 |
| | Harrowing: | |
| | Why we harrow | |
| | Time to harrow | 101 |
| | Types of harrows | 102 |
| | Rolling | 106 |
| XIII. | Leaves | 108 |
| | Facts about leaves | 108 |
| | The uses of leaves to plants: | |
| | Transpiration | |
| | Starch making | |
| | Digestion of food | |
| | Conditions necessary for leaf work | 109 |
| | How the work of leaves is interfered with | 115 |
| XIV. | Stems | 120 |
| | What are stems for? | 120 |
| | How the work of the stem may be interfered with | 126 |
| XV. | Flowers | 128 |
| | Function of flowers | 128 |
| | Parts of flowers | 129 |
| | Functions of the parts: | |
| | Cross pollination | 130 |
| | Value of a knowledge of the flowers | 134 |
| | Fruit | 136 |
