AnonGrow420
- 60
- 18
not sure what it could be my plant looks like its pulling through but barely
AnonGrow420
- 60
- 18
its 4 weeks from being done in flower
Beachwalker
- 7,055
- 313
How to fix Cannabis Phosphorus Deficiency (P) Pics & Symptoms
Phosphorus deficiencies cause dark splotches on leaves and can appear at the bottom of the plant on some of the oldest leaves. Learn to spot & fix the issue.
www.growweedeasy.com
Whiskydrunk420
- 177
- 43
I had something similar last winter. It was from a heater I had in my tent .
Not 100℅ sure if that's your prob or not though.
Badchoice
- 396
- 63
Here ya go, this will answer any questions.
SSgrower
- 2,374
- 263
Looks like phosphorus deficiency as @Beachwalker showed. I used that chart for testing yesterday as practice. Newbie to this plant as a gardener.
Magicgreen
- 7
- 3
What is the position of those fan leaves. If your plants are bushy and this lack of light can cause this and . Or if those are the highest ram leaves then you have
By The Normally the grower is the best candidate to make a accurate diagnosis to find problems and find solutions.
lack of nutrition can be in different forms
1- you don’t give enough fertilizer
2- you give a lots of fertilizer .
3- Ph not suitable for the medium you are using ..
. Adjust your ph , don’t add any fertilizer
And water the pots till you runoff 30 percent of the water .. later add the nutrition you use and water those plants ..
Add a calmag solution to your water to make sure phosphorus is more available to the roots ,, lack of calmag interfere with phosphorus intake of the plants .
Remove all damaged leaves to help you notice better new bad reactions
Good luvk
By The Normally the grower is the best candidate to make a accurate diagnosis to find problems and find solutions.
lack of nutrition can be in different forms
1- you don’t give enough fertilizer
2- you give a lots of fertilizer .
3- Ph not suitable for the medium you are using ..
. Adjust your ph , don’t add any fertilizer
And water the pots till you runoff 30 percent of the water .. later add the nutrition you use and water those plants ..
Add a calmag solution to your water to make sure phosphorus is more available to the roots ,, lack of calmag interfere with phosphorus intake of the plants .
Remove all damaged leaves to help you notice better new bad reactions
Good luvk
Last edited:
AnonGrow420
- 60
- 18
thank you all for the help
Flexnerb
- 1,288
- 163
What are you saying about the cal P relationship? Use more P use more calcium or use more calcium use more P
Magicgreen
- 7
- 3
A model describing the interation between these two nutrients on the basis of root respiration, ion affinities and the precipitation of calciumphosphates in the immediate proximity of the roots is proposed. During root respiration hydrogencarbonate ions tend to keep calcium ions away from the root growing points. Uptake and translocation of phosphate from the soil to the growing points secures the uptake and supply of calcium. Accumulation of calcium ions at root surfaces may precipitate phosphates and thereby hinder uptake of not only phosphate but also of calcium for a short time. The consequences of this sequence may be very pronounced because calcium is not retranslocated in plants.
Magicgreen
- 7
- 3
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