ı am new grower ı need help. ı have 2 problems

4

420foreverQQ

Active Member
coreywebster said:
Not typically but light stress can look like many things and your not matching your environment to the amount of light they are getting.
There's a whole bunch of factors that need to be in the right parameters to allow the plant to thrive, your temps are too cold for the plant to metabolise properly, that causes stress , also certain nutrient won't be absorbed properly, plant won't transpire enough .
You using led which doesn't add much radiant heat, so leaf surface temps are too low.
Click to expand...
when I hold the light close to the plant, the temperature rises. I didn't do it because there were signs of heat and light stress. should I move the plant closer to the light for warmth?
 
4

420foreverQQ

Active Member
coreywebster said:
Not typically but light stress can look like many things and your not matching your environment to the amount of light they are getting.
There's a whole bunch of factors that need to be in the right parameters to allow the plant to thrive, your temps are too cold for the plant to metabolise properly, that causes stress , also certain nutrient won't be absorbed properly, plant won't transpire enough .
You using led which doesn't add much radiant heat, so leaf surface temps are too low.
Click to expand...
B5E16ED6-4C78-4A2F-B98D-A6A3EC5FD794.jpeg
bloom 35.day
auto blue dream
20/4
what should be the average value?
 
coreywebster

coreywebster

Well-Known Member
420foreverQQ said:
when I hold the light close to the plant, the temperature rises. I didn't do it because there were signs of heat and light stress. should I move the plant closer to the light for warmth?
Click to expand...
No.

You should add heat by either a heater or slowing down extraction.

The air temperature shouldn't be rising closer to the lamp, it should be roughly the same through the grow area due to circulation fans.

It's the air temperature we need to raise.

Plus the closer the lamp the higher the par and that's not what you want when your air temps arena high enough as it is.

Out of interest how are you measuring the temperature in that situation?
 
4

420foreverQQ

Active Member
420foreverQQ said:
1. problem
View attachment 5232253View attachment 5232254View attachment 5232255

I watered the plant only with nitrogen and calmag.

at first I thought the symptoms were calmag deficiency and I did calmag irrigation 2 times. but the symptoms kept multiplying. I watered it with bloom fertilizers for the first time yesterday. do you think the problem is potassium deficiency?

2.problem
temperature: 71.6 degrees Fahrenheit
humidity:%50-55
light-plant: 35 inches
light: samsung qb 240w lm281b+
View attachment 5232257
Click to expand...
update. help
 
4

420foreverQQ

Active Member
I thought the leaf edges were up because the temperature was low. the temperature is at a normal level, and the leaves have not recovered
lights on: 80.6F
lights off: 68F
20/4
 
OhNo555

OhNo555

Well-Known Member
You might want to reference the light manufacturer’s recommendation on light distance to canopy at the point you are at in the grow, go with 18/6 on/off, just give tap water or PH’ed water and run with it to see where it goes. Lay off the voodoo juice for a few weeks and go with a good dry fertilizer in the DR Earths line as a top dressing only. One tablespoon per gallon of container. Maybe a little liquid kelp later as I said water only rate now. Less is more when you grow. You can always give a little more if the need arises but when you over do it the results is bad as you have experienced. Just hang in there and learn. There are a lot of experienced growers that will help if you just post as you can see. Don’t be scared to reach out to more experienced people that is what I do. Have had a few rough one myself. :hump: :peace:
 
4

420foreverQQ

Active Member
OhNo555 said:
You might want to reference the light manufacturer’s recommendation on light distance to canopy at the point you are at in the grow, go with 18/6 on/off, just give tap water or PH’ed water and run with it to see where it goes. Lay off the voodoo juice for a few weeks and go with a good dry fertilizer in the DR Earths line as a top dressing only. One tablespoon per gallon of container. Maybe a little liquid kelp later as I said water only rate now. Less is more when you grow. You can always give a little more if the need arises but when you over do it the results is bad as you have experienced. Just hang in there and learn. There are a lot of experienced growers that will help if you just post as you can see. Don’t be scared to reach out to more experienced people that is what I do. Have had a few rough one myself. :hump: :peace:
Click to expand...
yes. ı need big help
 
OhNo555

OhNo555

Well-Known Member
Are you try to say your light is out? Not working? Or just the 8 places that look like the are out? Those are the blue areas out?
 
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