Anthurium Replanting
and Fertilization
Replanting
Replanting schedules of mature anthurium plants depends
on plant size and disease susceptibility of cultivars. Bed
of smaller cultivars with greater tolerance to bacterial blight
may not require replanting for over 5 years. Larger cultivars,
with long internodes, or those highly susceptible to bacterial
blight may require a rotation schedule of 4 years or less
to keep beds manageable and productive.
Fertilization
Granular fertilizers such as 5 - 10 - 10, 10 - 20
- 20, or 16 - 16 - 16 may be applied. Care must be taken to
water the plants after application of fertilizer, because
it has the tendency to burn foliage and roots. Pelletized
and slow release forms are less damaging, less labor intensive.
Many growers use organic fertilizers such as chicken manure
or tankage. Approximately 2,000 to 3,000 pounds of organic
fertilizers are applied per acre with applications every month
or quarterly. Special anthurium fertilizers are usually combinations
of organic and inorganic chemicals. These should be applied
as recommended on the container.
Liquid fertilizers may be applied as foliar applications or
incorporated at lower concentrations into surface irrigation
water, especially when plants are grown under plastic cover.
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