Help, 3500sq ft lost already

Keighan

Keighan

Well-Known Member
One greenhouse has been lost already, 3500sqft it seems to start with the leaves having spots that slowly start to turn into a lighter shade of green, then begins to die off, as seen in pictures, every feed is always between 6 and 6.5, ppm range from 8-1100, growing in coast of Maine Stonington blend, and feeding all ocean based fertilizers, crab meal, salmon meal, kelp meal, fish emulsions, it destroyed one entire greenhouse in hours, and now it seems to be slowing down tremendously on the greenhouse behind the one already lost, I have researched for days with no conclusive answer, please please help.
 

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greg nr

greg nr

Well-Known Member
Basic detective work. Did you do anything new in the last 10 days? Open any new containers? Hire any new hands or fire any old ones?

It could be as simple as mixing up container labels.........
 
Keighan

Keighan

Well-Known Member
It doesn't seem like that because it's not distinct burning, the leaves start with patches on leaves of a lighter shade, and then it continually gets worse, until the plant dies, and it's spreading, slowly almost from plant to plant.
 
Lordhooha

Lordhooha

Well-Known Member
Keighan said:
One greenhouse has been lost already, 3500sqft it seems to start with the leaves having spots that slowly start to turn into a lighter shade of green, then begins to die off, as seen in pictures, every feed is always between 6 and 6.5, ppm range from 8-1100, growing in coast of Maine Stonington blend, and feeding all ocean based fertilizers, crab meal, salmon meal, kelp meal, fish emulsions, it destroyed one entire greenhouse in hours, and now it seems to be slowing down tremendously on the greenhouse behind the one already lost, I have researched for days with no conclusive answer, please please help.
Click to expand...
Almost looks like a magnesium deficiency. Magnesium deficiency can be present for a few weeks before presenting themselves externally i.e. The leaves. Chortling in water can also do similar things to the plants
 
B

BRANDON77

Well-Known Member
you know, i had a problem in my room i thought was heat stress, in fact, the temps were reaching 90+ so we assumed. It took a professional grower from humboldt coming to hang out at my house to figure it out.....he said rust/broad mites. I didnt believe him, he said they dont show up on a jewelers loupe but will on a 100x microscope, he also makes wine professionally and has a bioscience degree so....yeah. I started the insecticides and the problems disappeared within about 2 weeks....took a week or so to slow it.
 
polishpollack

polishpollack

Well-Known Member
800-1100 ppm is a hydroponics ppm range, not soil.
You need to know if the soil you use already has nutrients in it.
You're probably using way too much kelp.
You should use balance nutrients, not just ocean based ferts.
I don't know exactly what the problem is but since it looks like you're doing many things wrong, it may not matter.
 
Keighan

Keighan

Well-Known Member
Ya, I figured that out today, and flushed, I believe I know why tho, I was training 2 new guys on ph, nutes, etc, my one and only meter shit the bed, bought a new one, somebody dropped in the water, and I finally got a blue lab, after finding out my oh meter wasn't staying calibrated after a use or 2. And my ocean based works just fine, if I say so. Pic is a 17x100 and that's about 6/10ths wall to wall and about 10ft tall/12ft tall, planted middle of may. I may not be by the books but I manage20170812_115327.jpg
 

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