CHAPTER X.—INSECTS AND DISEASES 69-71 Causes, some 69 How transmitted 70 Preventives 70 Preventing attacks 69 The little we know 69 Weeds as breeders 71 CHAPTER XI.—RE-SOILING 72-77 Best way to do it 73 Cleaning up 74 How to preserve it 76 Lawn, the 75 Misleading term 72 Prepared humus 74 Success, real 77 What we really do 72 CHAPTER XII.—HOW TO WORK 78-89 Grouping 80 How to plant 79 “ “ run rows 80 Keep soil busy 82 Manuring 79 Preparing the plot 78 Rotation 81 Test for acid 78 Transplanting 81 Companion cropping 82 Cellar growing 89 Drainage 82, 83 Drought, protection against 87 How we learn 88 Irrigation 82 Sewage 86, 87 Small area crops 88 Things that pay 88 Tools, keeping them clean 84, 85 Use brains 88 Waste water value 86 PART II.