I am growing in coco and am about a week away from harvest. Around week 4 of flower I let salt buildup happen and I had nutrient burn and signs of too much nitrogen. I have reduced the nitrogen in my feedings now, but my sugar leaves are cupping/"canoed" downwards and have other signs of nitrogen toxicity. Will this ruin the taste of my buds? Is there anything I can do to fix it?
Did I ruin my flowers?
- Thread starter beepy1
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- coco harvest nutrient burn
Chip Green
Well-Known Member
They got a little over fed, not a big problem...Finish them as nothing went wrong. Ive had plants look WAY worse than that, like hideous leaf burn, cupping, canoeing, ect...The taste of the final product is a function of the dry, and the cure, not the feeding......Stay the course, all is as well as it can be....
Renfro
Well-Known Member
I dunno @Chip Green too much nitrogen can cause bud to leave black unburnt ashes and harsh taste IME. At week 4 though, he has time to lay off the nitrogen and let the plants consume that mobile nutrient.
Bud1284
Active Member
If you a week away from harvest, id stop all feeding and water with phed water only until harvest.
Good luck
Thundercat
Well-Known Member
That picture really doesn't show over all plant health very well, but they look pretty good from what I can see. Maybe a little on the dark side but nothing scary.
How long has it been since you corrected the overage? They are dark enough and healthy enough you could probably just use ph'd water from here. Like
Renfro said basically let them eat up as much as of the N as possible. I don't normally advocate for starving the plant, but when you've over done it you have to adjust how you deal with things.
Make sure you really give them enough time to properly mature. The last 2-3 weeks for most plants doesn't show much outward growth but the buds are swelling and adding weight and density, as well as maturing. If you cut early you loose out on both weight and quality.
How long has it been since you corrected the overage? They are dark enough and healthy enough you could probably just use ph'd water from here. Like
Renfro said basically let them eat up as much as of the N as possible. I don't normally advocate for starving the plant, but when you've over done it you have to adjust how you deal with things.
Make sure you really give them enough time to properly mature. The last 2-3 weeks for most plants doesn't show much outward growth but the buds are swelling and adding weight and density, as well as maturing. If you cut early you loose out on both weight and quality.
I am at week 9 (I cut down on nitrogen around week 4 or 5), and the leaves are still pretty dark green. I still estimate I have about 4 days left before the trichomes are mature. I am feeding only RO water now, but the sugar leaves still are dark green. So does this mean I will likely have black ash? I never fed my coco over 500ppm of nutrients, so I was surprised I had an excess. Many people claim they run over 1000ppm in coco without burn issues.
Coloradoclear
Well-Known Member
All good advice . . . Give it straight water, do a good job curing . . . and smoke it like a choo choo train!
I tried to correct it at week 5 and it is week 10 now, a few days from harvest. Here are a couple bad pictures I took that may possibly show the state of my garden. It is strange to me that the nitrogen excess and other burn/deficiency signs only show up on a few of the branches. Even on a single plant, one branch may look fine and another may have signs of nutrient burn or deficiency.
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Thundercat
Well-Known Member
I'm sure they are gonna be great. They don't look fried and it looks like the buds are nicely swollen and mature good job man!