-S4-15 



CONTENTS 



CHAl PAGE 



I. THE PROBLEM n - 



II. VEGETABLE GROWING . . . 17 _. 



III. ONIONS 24 



IV. CELERY 32 



V. FRAME CULTURE .... 41 



VI. THE VEGETABLE FORCING INDUS- 

 TRY 46 



VII. FRUIT GROWING 59 



VIII. SMALL FRUITS 81 



IX. THE CITRUS INDUSTRY ... 88 

 X. PLANT BREEDING AS A FACTOR IN 



INTENSIVE FARMING ... 95 



XI. SEED GROWING 105 



XII. THE NURSERY AN EXAMPLE OF 



INTENSIVE CROP PRODUCTION 109 



XIII. IRRIGATION 114 



XIV. ANIMAL INDUSTRY . . . . 124 

 XV. ECONOMICS OF INTENSIVE INDUS- 

 TRIES 129 



XVI. THE CROPPING SYSTEM AS A 



UNIT 135 



