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Re: fertilizer

Nan Sterman wrote:
> 
> >Osmocote 14-14-14 is what we use where I work...and I have just used it
> >at home on everything...it appears to work just great....I have seen it
> >work at the greenhouses that I work at for several months....the beauty
> >of it is that it works as a time release for 4 mnths....we have also
> >used Woodace....another time release, tho it doesn't last as long....but
> >its cheaper.....Also Woodace is recommmended for woody nursery plants,
> >its worked on everything, we used it for.....we do also use Peters as a
> >injected liquid feed on top of the time release...As I understand it,
> >Woodace is missing a few of the long term things, that Peters can
> >supplemate...Anyway I hope this helps, altho a grower I know says that
> >if you just bury a dead fish under every plant every year, you won,t
> >have any problems....so go figure.
> >
> >                     DEE   {Cins husband}
> 
> This message brought up a very big question for me.   I plant with Woodace
> which seems to get everything off to a great start.  But how long after
> planting do I need to supplement with additional fertilizer?  Hwhich
> fertilizers?  How often?  Is there a good reference on fertilizing
> schedules?
> 
> Secondly, my entire yard is drip irrigated and my system has fertilizer
> injectors.  i've yet to understand what fertilizers can go into my
> injectors and how much of them.  Alternatively, can I spread granular
> fertilizer around plants that are irrigated by drip?  Will the fertilizer
> dissolve at a reasonable rate?  Is there any problem doing this?
> 
> Since there are many plants on each irrigation zone, how do I account for
> plants that have different fertilizer needs if I use injection
> fertilization?
> 
> So many questions....  Thanks for hte help!
> 
> Nan
> 
> +-+-+-+-+-+-+-+
> Nan Sterman, "gardening addict"
> Olivenhain, California
> Sunset Zone 24, USDA Zone 10b or 11
> +-+-+-+-+-+-+-+
> So goes an old chinese proverb:
>          If you want to be happy for a few hours, get drunk;
>          If you want to be happy for a week-end get married;
>          If you want to be happy for a week, barbeque a pig;
>          If you want to be happy all your life long become a gardener
> 
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Ok..First of all...I work for a greenhouse range 34 houses strong and
always growing...my responsiblilty covers computers...robotic
spraybooms, electric outlets and fans, weed mats, injectors, P.U.
trucks, shade houses, new houses and old houses.....
Cin and I do 16k of 50 year old glass houses...she does about 7/8 of 40
hour weeks....I do the rest....these houses are old out of date and
always falling in....we have a Dastron injector and a couple of Hozons.

So much for history....Woodace has Osmocoat in it w/ other stuff...the
Osmo last about 3-6 mnths...the other stuff in it lasts up to 3 mnths...
all of it misses afew things Manganese, Magnesium, alittle calcium...and
most likely some other basic stuff.....Osmocote has alittle more.

At work we use both of these and we constantly inject w/ Peters food of
different mixes according to crop........

Cin and I use Woodace in most crop...about a small handful in each
gallon pot....it fairly cheap...at home we use Osmocote, fairly
expensive, but long lasting...we don't use Peters at home....

Granular or pelletized food can be used w/ drip...we use it at work w/
all baskets etc........when drip wets the food it oozes into the
surrounding soil then releases on the next watering.

The only problem with long lines of drip is that it treats everything on
the line equally, while one may want many times more food or water than
the other....I would use a hozon hose injector to feed these plants the
supplmental food....I might also add that any line w/ over 100 emiters
per line will not water evenly thru out the line....plus if you use a
well.... several factors come into play....water table and gallons per
minute can varie day and night, effecting end pressure on the
line....and your ph, salts, minerals etc, can and will effect the rate
at which your food is absorbed.

I hope this helps scratch the surface for you....my knowledge is very
surface level mostly dealing w/ my day to day job....in my dealing w/
automation of watering...as watering is the sole most time and cost
consuming activity in commercial growing....I deal w/ 3 - 4 persons
directly involved w/ day to day watering operations and a consultant on
water conditions.

Cin and I base all food and water decisions on how the plants look.....

                       DEE........
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