TABLE OF CONTENTS 



CHAPTER PAGE 



I. The Old and the New ... 1 



II. The Brain of the Earth ... 7 



III. Soil Inoculation 27 



IV. Breeding New Grains . . .48 

 V. Plant Development . . . .65 



VI. The Enemies of Plant -life . . 83 



VII. The Weeds of the Earth . . .103 



VIII. Luther Burbank . . . .117 



IX. Horticultural Progress . . .129 



X. Modern Forestry . . . .143 



XI. Modem Dairying . . . .182 



XII. Animal Husbandry .... 207 



XIII. Reclaiming the Earth . . . 232 



XIV. The Foods of the New Earth . . 252 



XV. Cooperation 285 



vii 



