CONTENTS 



CHAP. PAGE 



I. THE NATURAL HISTORY OF THE SOIL ... 1 



II. HOW PLANT FOOD IS MADE IN THE SOIL . . 12 



III. WHAT is SOIL FERTILITY AND HOW MAY IT BE 



ATTAINED ? ... T ... 27 



IV. SOIL FERTILITY AND SYSTEMS OF HUSBANDRY . 43 



V. THE RAISING OF THE FERTILITY LIMIT ... 64 



VI. THE CHEQUERED CAREER OF THE CLAYS . . 86 

 VII. THE RISE OF THE SANDS . . . . . 101 



VIII. THE MOOR WHAT SHALL IT BECOME? . . .119 



IX. CONCLUSION 124 



BIBLIOGRAPHY 126 



INDEX 127 



