CONTENTS 



CHAPTER I 



PAOK8 



SOILS FOR VEGETABLE-GARDENING IN WARM COUNTRIES . 1-4 



Soils for vegetable-gardening, 1 Mechanical classifi- 

 cation of soils, 2 Composition of soils, 3 Elements 

 necessary for plant growth, 3 Why land becomes 

 poor, 4. 



CHAPTER II 

 FERTILIZERS 6-23 



Complete fertilizer, 6 Sources of nitrogen, 7 

 Sources of phosphoric acid, 8 Sources of potash, 9 

 Percentage of fertilizer elements, 10 Mixing fertilizers, 

 11 How to compute the amount of fertilizer in a given 

 formula, 12 Table of fertilizers, 16 How to use the 

 table, 17 Lime, 18 Ground limestone, 18 Acidity 

 of Florida soils, 20 How to test for soil acidity, 20 

 How to test a field for fertilizer, 21. 



CHAPTER III 



MANURES FOR VEGETABLE-GARDENING IN WARM COUNTRIES 24-28 

 Compost, 25 Muck, 28. 



CHAPTER IV 



ROTATION OF CROPS IN VEGETABLE-GARDENING . . . 29-34 



Cover-crops, or plants used to protect and enrich soil, 

 31 Plants as a source of nitrogen, 31 Weeds, 33. 

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