Contents 



Why fertilize? 1 



What is a fertilizer? 2 



Should you fertilize? 6 



Where should you place the fertilizer? 10 



When should you fertilize and with what? 12 



How should you fertilize? 13 



Why should you water trees? 18 



How and when should you water trees? 19 



Summary of recommendations 2 1 



Selected references 23 



