CONTENTS 



CHAPTER I 



PAGES 



Soils fok Vegetaele-Gakdening 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 



Fbetilizees 5-23 



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 soUs, 20 — How to test for soil acidity, 20 — 

 How to test a field for fertilizer, 21. 



CHAPTER m 



Manures for Vegetable-Gardening in Warm Countries 24-28 

 Compost, 25 — Muck, 28. 



CHAPTER IV 



Rotation op 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. 

 ix 



