Re: A note of caution for calcium nitrate feeders

Wayne,
  It's OK to tank mix CaNO3 with other types of soluble fert.s as long as the
equipment set-up has a well in the bottom on the mixing tank to handle the
precipitate you spoke of. I operated a hydroponic greenhouse in Goshen , Ct. and
Viking Ship Brand CaNO3 was a stable of the fert. mix. Even with decent tank
agitation I still suffered a small precipitate. However the settling out well in
the bottom of the tank easily took care of this.
  I look foreword to carving some New England giants this year, I hope we can do
business once again. I am spoiled with the massive S. Oregon pumpkins that I have
become accustomed to sculpting, no complaints though.
  The best of luck with this years planting season.
     Sincerely,
         Scott

Pumkinguy@aol.com wrote:

> pumpkins,
>    If you tank mix and use a fertilizer injector, do not tank mix CaNO3 with
> other water soluble plant foods. A precipitate will form and clog up your
> filters and microsprinklers. Either broadcast on the granular type, or
> dissolve the greenhouse grade of calcium nitrate and shoot it on as a separate
> batch. If your calcium levels in the soil are O.K., I wouldn't put any CaNO3
> on until after fruit set. CaNO3 is 15% nitrogen so over usage will make your
> plant too green. If your Magnesium levels aren't overly high, you can balance
> the calcium doses with a little water soluble magnesium....Epsom salts that
> you soak your feet in, can be found at any grocery store. Epsom Salt is
> Magnesium Sulfate. Someone had mentioned that you can have Calcium problems in
> times of wet weather. The normal form of calcium in the soil comes from CaCO3
> (limestone) which is not easily water soluble. If the soil is saturated with
> extra water, in effect diluting what little calcium is there anyway. I would
> think that the water and minerals that are taken up would have a lower
> percentage of calcium in it during wet times. I'm pretty sure the people who
> grow grapes run in to a similar problem with sugar content in grapes if they
> have a wet spell just before harvest...there is more juice with a lower sugar
> content % wise. The lack of sun would contribute to the sugar levels, but if
> you have a set amount of sugar in the grape and then add extra water , the %
> of sugar in the juice goes down. Back to pumpkins, calcium nitrate is good in
> moderation.
>                                                 pumkinguy
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