CONTENTS 



CHAPTKK FAOB 



I History of Dry-farming 3 



II SoM£ Points in Practice 39 



III The Conservation of Soil Moisture . 62 



IV Rainfall and Evaporation .... 87 



V The Problem of Tillage 106 



VI The Campbell System 145 



VII Dry-farming Zones 163 



VIII Dry-land Crops 207 



IX The Traction-engine in Dry-farming . 263 



X Dry-land Experiments 279 



XI The Principles OF X.AND Settlement . 291 



