Slow release fertilizers
Kelly Irvin (Sun, 22 Feb 2004 08:49:36 PST)

Some tips for most successful use of slow release fertilizers with bulbs.

1. Release times are more in tune with those stated on the label if you
incorporate the fertilizer in the mix as opposed to top dressing.
2. Choose one with a higher Phophorus lower Nitrogen ratio. They are
harder to find but do exist.
3. Choose one which includes at least Iron as a minor nutrient.
4. Consider a lighter application if your N-P ratio is the same, but you
will be losing some benefits of P.
5. As Jim S. has suggested, you are probably wasting fertilizer during
dormancy period, maybe even encouraging rot if you can't keep your pots
dry during the period, so you might choose one that is labeled to
disperse the fertilizer completely by the end of the growth cycle. You
can usually find these fertilizers labeled for 3, 6, 9, and 12 month
dispersal.
NOTE: I generally ignore this one in my practices, choosing the 9 or
12 month, because I believe I can avoid overfertilization more
successfully due to the improved coatings on these slow release types.

I seem to recall some company(ie)'s claim(s) that their slow release is
not affected by temperature. If I find the information, I will post it
(don't hold your breath, though).

Mary Sue Ittner wrote:

--
Mr. Kelly M. Irvin
The Bulbmeister
4407 Town Vu Road
Bentonville, AR 72712
479-366-4968

USDA Cold Hardiness Zone 6b

E-mail: mailto:bulbmeister@bulbmeister.com
Website: http://www.bulbmeister.com/
Forum: http://www.bulbmeister.com/forum/