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Several research and demonstration trials have been conducted in
Alaska using white cod bonemeals as a fertilizer source. This
material was provided by Mr. Bob Greig, Alaska Sea-Ag
of Palmer. Mr. Greig is a local potato producer and cooperator in
the aforementioned studies. Since 1991, bonemeal samples have
been analyzed at the University of Alaska Fairbanks Agriculture
and Forestry Experiment Station analytical laboratory located
near Palmer, Alaska. The analyses included total nitrogen by
micro-Kjeldahl, total phosphorus, potassium, calcium, magnesium,
sodium, zinc, copper, manganese, iron, boron, and sulfur by
nitric/perchloric digest, and dry matter determined at 105º C
(Gavlak et.al., 1994, Plant, Soil, and Water Reference
Methods for the Western Region, Western Region Extension
Publication No. 125). The analytical results indicated that white
cod bonemeals were reasonably consistent in nutrient content as
shown below:
| Elements |
Range |
Elements |
Range |
| N |
% |
4.6 - 6.3 |
Na |
% |
0.6 - 1.0 |
| P |
% |
7.5 - 10.5 |
Zn |
ppm |
54 - 82 |
| K |
% |
0.2 - 0.7 |
Mn |
ppm |
30 - 67 |
| Ca |
% |
14 - 25 |
Fe |
ppm |
49 - 289 |
| Mg |
% |
0.3 - 0.4 |
B |
ppm |
2 - 11 |
| S |
% |
0.6 - 0.8 |
DM |
% |
90 - 96 |
(This analysis was conducted on white
cod bonemeal. Analysis figures vary depending on the fish used
and the location the fish were caught.)
November 8, 1996
Raymond G. Gavlak, Ph.D.
Associate Professor and Agronomy Specialist
Alaska Cooperative Extension
University of Alaska Fairbanks

Proprietor Larry DeVilbiss of Wolverine Farm in Palmer,
Alaska, producer of organic carrots writes (February
1997):
"On Wolverine Farm we have
two fields that have been strictly organic for a number
of years. We use a variety of local supplements such as
liquid lime and blood in combination with foliar spraying
other imports. In 1990 we began applying white cod fish
fertilizer from Alaska Sea-Ag to one of
the fields and left off all other supplements - even the
crop rotation. (Although we do fallow one-third of the
field every third year.) We apply one thousand pounds of
white cod fish fertilizer to the acre each year, and we
keep waiting to see signs of weakness, but to date have
only seen this 1½ acre patch increase in productivity.
We have also noted that the ground is not affected by the
drought years nearly as much as the commercial fields
are. We have never irrigated either of the organic
fields, and even on a drought year like this year the
yield exceeded 40 tons to the acre. I highly recommend
the white cod fish fertilizer product of Alaska
Sea-Ag."
Mark Rempel
practices regenerative agriculture in Palmer, Alaska.
He
uses Alaska Sea-Ag white cod fish
fertilizer on carrots, potatoes, and assorted vegetable
crops. He stated in an interview (February 1997) that the
outstanding difference he has seen since using white cod
fish fertilizer on potatoes has been the uniformity of
the size of the tubers and the smoothness of the skins.
-
- Mark had a twenty foot wide problem section of a carrot
field that produced corrugated or ridged carrots. Since
fertilizing with Alaska Sea-Ag white cod
fish fertilizer the carrots are smooth skinned and
indistinguishable from the carrots in the rest of the
field.
-
- Mark stated that he has noticed more birds on this farm
and fewer cut worms since using white cod fish
fertilizer. There are a couple of tricks to using the
product that are worth noting. It must be worked into the
soil to keep dogs and cats from being attracted to the
fish odor. Don't attempt to apply the fertilizer on a
windy day, since it is granulated not pelleted and will
travel in the wind.
Shirley Jacobson
of Jacobson's Greenhouse in Wasilla, Alaska gives Alaska
Sea-Ag white cod bonemeal this endorsement (February
1997):
"Alaska
cod bonemeal is more than a bonemeal - it's a complete
fertilizer. Use it for tomatoes. The high calcium content
helps prevent blossom end rot. Use it for all your bulbs.
A prominent bulb company recommends this formula. At
Jacobson's we have used Alaska Sea-Ag
white cod bonemeal exclusively in our flower beds for
years. We recommend it to our customers and they keep
coming back for more."
Alaskan Granular Fish is a truly organic
fertilizer made by recycling the by-products of fish waste
products. Try it - for your soil's sake.



For more information or to order our fertilizer
product, please contact:
Alaska
Sea-Ag
HC5 Box 6930-D <> Palmer, Alaska
99645-9613 <> Phone & Fax (907) 745-5725
E-mail: info@alaskasea-ag.com
© Copyright 1997-2001, Alaska Sea-Ag. All rights
reserved.
The logos and names used in these pages are the property of their
respective owners.
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