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Fertilizer overdose is the number one cause of
mortality and stunted growth. Once the roots are
injured by acid caused by too much fertilizer, the
growth will stop and it will take time before the
tree recovers.
To avoid overdose, place 16-20-0, 14-14-14 and urea
(or ammonium sulfate) fertilizers in an ice candy
plastic. Seal the plastic and make 4 needle holes. |
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For
small trees, fertilizer requirement for 4-6
months period may be placed in 4-6 ice candy
plastics. Place the 4-6 fertilizer plastic
around the base, 6-10 inches away from the
trunk and 4-6 inches deep. For big trees,
place the fertilizer requirement in 10-30
plastic bags. The fertilizer should be
applied as many as possible around the root
zone. |
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