Overwatering?

ElGuaposBlueberries

ElGuaposBlueberries

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I can't tell if she's being overwatered or underwatered or if this is a response to environmental conditions.
7 gal fabric pots, Build a soil 3.0, only feeding ph'd water every 3 days just about. Seems like the pots are dry clear down to 3 knuckles deep, but the pots still feel heavy. Maybe I'm seeing things but the leaves look like they're just starting to curl down, any thoughts?

Thanks!
 

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Id say it looks heavy on N (pretty dark green in spots) but if you have only been giving them water that should rule that out. They do look thirsty/overwatered though. How much have you been giving it? How far away is your light?
 
What kind of pots? How's your drainage? If you don't have enough drainage your top may be drying out while the bottom is getting anaerobic. The leaves look papery to me though which is pretty classic underwatering. Sometimes wind burn can look kinda like this as well so thats another possibility if your fan is too close.
 
My rule of thumb is iffan and it's stem are drooping it's under watered as there is not enough to keep the structure turgid, if just the leaf then over watered cause they aren't able to transpire the moisture fast enough. I couldn't really tell from the pics.
 
Thanks - pots are 7 gal fabric sitting on a riser in a saucer. Soil is Build a Soil 3.0 which should provide decent drainage but to your point Suki - yes, I definitely would say I think it's a bit rich. Next run I plan on cutting it with some other soil. . After reading responses and some other info I decided to water it more thoroughly until I got some runoff. I have the light at about 26" off the plants and at about 3/4ths power (350R Diablo in a 3x3).
Have been watering about a gallon or so every 2-3 days.
Also here are two pics that weren't taken with a potato.
 

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Do you know your VPD? Or can you give your temps/humidity? They do look quite droopy but it almost looks like a mixture of things imo. Have you been using yucca or some sort of wetting agent? If not, I'm wondering if maybe you're dealing with wet/dry pockets in your soil. Especially with it being dry 3" deep, you could very easily be running into issues with your soil being hydrophobic.
 
no wetting agent; temps in high 70's with 60% humidity.

I can grab some yucca though pretty easy, see if that helps. Thank you!
 
ElGuaposBlueberries said:
no wetting agent; temps in high 70's with 60% humidity.

I can grab some yucca though pretty easy, see if that helps. Thank you!
Click to expand...
That seem pretty ok, though personally I try to aim for 80*/60% but it doesn't seem to be off by so much as to cause an issue. Dropping a VPD chart here so you can have it for reference. As long as you stay within the range that's appropriate for your plants stage you should be pretty good as far as environment goes.
Leaf-Vapor-Pressure-Deficit-VPD-5.jpg


I've been using the BAS wetting agent personally, its not yucca but it works the same in that its a surfactant so it breaks the surface tension of the water and allows for better absorption in the peat. It came with the take and bake kit I bought so I figured I may as well use it. Not sure on the dosage for yucca but the stuff I have I add 1/8ts per gallon of water and it seems to work really well.

You may want to try bumping your temp up just a smidgen if you can, but I am most definitely not an expert. It almost looks like they may be getting a bit too cool (not sure on your lighting schedule and any potential temp and humidity swings you may be dealing with) which coupled with a high-ish humidity may be affecting transpiration.
 
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