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2016 Outdoor Garden of Eden

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cbcool

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Hey FF, just want to say thanks for keeping up with updates on your thread. I've read through all of yours and Shcrews grow logs, I feel like I've absorbed 10 years of knowledge in a few months! So thanks again for all that you and everyone else does on this forum to share knowledge so we can all advance our skills in this craft.

On another note, I have a similar problem to your plant with the twisted leaves but mine is much more extreme. At first I thought it was a stress related mutation but after some research, and seeing your plant I'm starting to wonder if it is a boron/calcium deficient sensitive strain? I don't have any hard proof of this it's still just a theory but when I foliar with cal mag they seem to snap out of it for a minute.

I'm going to root drench them with boron then spray with chelated calcium to see if they snap out of it, if not I'll chock it up to a genetic mutation. Although I did notice with mine, I have two phenos of T1 Jasmine (purple and green), and I only have the twisting in the purple phenos.

I'm just hoping that brainstorming might spark some insight or inspiration .
 

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slownickel

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Cb,

Be careful with all that boron, it is easy to go toxic. Pretty much a general consensus that this is a calcium issue. Heavy applications of potassium quickly without enough phosphorus, can make induced calcium deficiencies.

Do you have a soil analysis? Makes things a lot easier. Calcium applied foliarly does very little. You need to think about gypsum maybe.... gets down deep quickly even in acid soils. The finer the grind, the faster you will get response.
 

cbcool

Member
Cb,

Be careful with all that boron, it is easy to go toxic. Pretty much a general consensus that this is a calcium issue. Heavy applications of potassium quickly without enough phosphorus, can make induced calcium deficiencies.

Do you have a soil analysis? Makes things a lot easier. Calcium applied foliarly does very little. You need to think about gypsum maybe.... gets down deep quickly even in acid soils. The finer the grind, the faster you will get response.

When I feed boron I only feed at about 0.5 ppm per yard to be on the safe side ,if memory serves if it goes beyond 3 ppm is when issues start to arise?

Unfortunately I was not able to get a soil analysis, which is against my better nature cause in my former career I was an analytical chemist in the mining industry for many years.

It was my friends soil when I started and unfortunately I had to play the "a little of this a little of that" game which I don't like but that was the card's I was dealt for this season.

My father's was a gardener his whole life, until he passed last July, he taught me the less is more approach and listen to the plant to tell you what it needs. But my friend is the " pile it on there" kind of guy and killed 10 plants early on from too much amendments.

After I got my friends ego out of the way I was adding approximately 5lbs of 4000mesh gypsum per yard, not sure if that was enough or too much, o feel it was on the lower side?

I know having enough available calcium in the beginning is the best way, again the cards I was dealt. Thanks for the input I appreciate the reply, and FF I'm not trying to hijack I hope you know.
 

FoothillFarming

Active member
what are you asking? English isn't my first language.

I thought you were having trouble posting pictures in your thread. That is why you made your last comment right, because I was now having problems?

I was just saying, if you are still having problems understanding the website, shoot me a msg and I will help in any way I can.

Hope you understand, and I am in no way trying to be negative.:tiphat:
 

FoothillFarming

Active member
I agree with what slownickel said. I believe it's a Ca problem, as oppose to a B problem.

I thought cannabis didn't want to go above 2ppms of B, and only with supple Ca.

Also, any and all side conversations are welcome. So please, carry on if needed.

Thanks for the visit cbcool. Glad to have you here.
 

FoothillFarming

Active member
Clean Green:

They came and looked at the property. Checked set backs to other properties, recorded where over spray would effect, checked for waterways ext. Must have a dry room with hard smooth surfaces. Must have wash stations. Must have hair nets, gloves.

I had to show the OMNI rating on the products I use. Then a soil sample was taken from most pots on the property. This sample was then tested and screened for pesticides, herbicides, fungicides, ext. That test was sent to Environmental Micro Analysis in Woodland Ca.

All tests came back ND, or not detected.
 

plantingplants

Active member
Slownickel, if foliar calcium levels can't raise Ca high enough in plant tissue (in veg) then why do you think FF is seeing a response?
 

slownickel

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Veteran
If that little bit of foliar calcium gives a response, this means the plant is starving for calcium.

Given that everyone who has posted is over irrigating by huge amounts, calcium is super low.

If you read that article on Cannabinoid Profile calcium in the leaves ran from 2.4 to 8.3%. The new growth picks up calcium last. Applying
500 ppm of calcium foliarly makes a small new difference on the new leaves. If it works, do it.

But realize that this little bit of calcium does nothing for the rest of the plant which has a huge calcium problem.

Did you look at that article? The THC content of the 2.4% (24,000 ppm as 1% =10,000 ppm) was 1/3 of the value of the plants at 8.3% Ca.

This little bit of foliar calcium is a paint job on an old car. Still an old car. You want 1/3 of the THC potential of your plant or do you want 100% of the THC potential?

Spraying on buds probably helps a bit more. But there is no way you are going to move the THC content that much with foliar calcium. Calcium is picked up via the root tips and the medium has to get fairly dry for this to happen.
 

plantingplants

Active member
I did read that article. I wish there were more like it.

So it's kind of like water-- if a plant is thirsty you can help it transpire a little bit by spraying with water or increasing humidity (ie cloning), but it really obtains the majority of water through its roots.

But if Ca is super low with heavy watering, how can Shcrews pull >10 lbs plants?


FF, thanks for accommodating other convos in here :)
 

slownickel

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ICMag Donor
Veteran
Half a plant challenge!

Half a plant challenge!

PP,

Did you see how high his calcium was in the soil?

From the Logan reports that I have seen so far, Crews wins by far, he was at 73% Ca!

Take one plant and start trying gypsum.

In two weeks dig down and tell me what you see in the roots. Hell, you can do half a plant haha and see the results on the side got that the gypsum.... LMAO

Let's call it the half a plant challenge!
 

plantingplants

Active member
Slownickel,

So as long as you have enough Ca in soil then a lot o water doesn't impede Ca intake enough to affect yield significantly?

Re:adding gypsum, Shcrews' test is of the same soil I'm using except his is after one season. My test was before planting. Same soil, same soil mixing yard, same brand amendments, etc. Of course there may be small differences from differences in mixing or sampling. The oyster shell we both put into our soil breaks down slowly. My soil was 50 something % Ca before planting. His was 73 after growing 10 lb plants in it. So since we have the same soil I shouldn't need to add Ca. Also my plants won't be 10 lbs so not as much Ca will get eaten up, so I might end up in the high 70s or 80s or somewhere. I don't know how much they use.

Same soil before (my test): https://www.icmag.com/ic/attachment.php?attachmentid=362973&d=1463088535

And after one season (shcrews' test): https://www.icmag.com/ic/attachment.php?attachmentid=363583&d=1463508865
 

cbcool

Member
PP,

Did you see how high his calcium was in the soil?

From the Logan reports that I have seen so far, Crews wins by far, he was at 73% Ca!

Take one plant and start trying gypsum.

In two weeks dig down and tell me what you see in the roots. Hell, you can do half a plant haha and see the results on the side got that the gypsum.... LMAO

Let's call it the half a plant challenge!

I have 11 smaller plants that only have one 90degree sprayer on them, i top dressed them today with gypsum where the sprayer hits. I took pics before I dressed them I'll take pics in two weeks and report the results. I f'in love science!
 

slownickel

Active member
ICMag Donor
Veteran
Dude,

That isn't experiment! That is a hard right turn on an unknown street. The idea was to try half a plant or one plant!
 

cbcool

Member
Dude,

That isn't experiment! That is a hard right turn on an unknown street.

Ya I realize that, there wasn't much scientific process in my methodology.

I probably shouldn't comment right after I smoke cause everything sounds like a brilliant idea within the first 30 minutes of smoking.
 
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