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Back to Grow Questions
Phosphor mangel?
Jordan73
started grow question 3y ago
Phosphorus deficiency? Or something else?
Open
Feeding. Deficiencies
likes
Answer
Similar Grow Questions
Solved
Thatsmyfirsttime
Drying leaves, 10 days to harvest
Hi! All organic Lemon Potion CBD with 10 days left before harvest. Some of her leaves are yellowing and drying a bit. I gave her cow manure tea last week (other watered plant didn't show any problem) Is she drying naturally or..? Should I do something? Thank you :)
Leaves. Tips · Burnt
Other. Drying
Feeding. Deficiencies
6y ago
2
2
Solved
Paul71
Idk what's wrong
Can anyone help me figure out what's wrong with this baby? Special queen photo, week 8 of veg, organic pellet fertilizer added directly in soil. Always watered just water, seemed so healthy till last week, then leaves started yellowing a bit.. Nutrient deiciency/excess? Wdy think
Leaves. Color · Yellow
Feeding. Deficiencies
Techniques. Topping
2y ago
2
Solved
cuchillo
Run-off readings higher than input: what to do? Should I flush the soil? Plant looks fine and healthy...
Been having a prob where the run-off readings are higher than the input ones: IN 1lt water + 1ml of Canna Vega | pH: 6.9; ppm: 381; EC 772 µs/cm OUT pH: 5.6; ppm: 964; EC 2,006 Soil is 9L Biobizz Light Mix, and prob still contains nutes. What should I do? Flush the soil?
Week 4
Feeding. Chemical composition
Feeding. Deficiencies
6y ago
5
5
Solved
theboyrenzoo
leaf deficiency
Too much nutrients? I’ve been using correct ph water. (Same as my mango kush plant) yet this land-racer is giving me trouble figuring out what’s the problem? any suggestions or help would be great. Also any other criticism also 🤞🏾
Week 12
Feeding. Deficiencies
6y ago
1
1
Solved
Maskedcucumber
Probable phosphorus excess nutrient block
Hi, I was wondering how long are the nutrients blocked after an overfertilisation ? I lowered my EC to 1 (day 24) since they are growing a 3rd internode. Thanks !
Week 4
Leaves. Color · Yellow
Plant. Too short
Feeding. Deficiencies
5y ago
4
4
Solved
Megzzz
Spotting
Got some spotting at start of week 4 any suggestions from photo I posted would be great 👌🏻
Feeding. Deficiencies
6y ago
1
1
Solved
Dillsnills
Deficiency of P and K?
Can someone help me with what is going on w this Pineapple Express Auto Fast Buds, week 8 of flowering, it looks like a nute deficiency, P and K. Looking for advice input opinions greatly appreciated. Run off ppm 1100 intake 350 ph 6.5-6.6.
Leaves. Curl down
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
1
1
Solved
Hydronaut
250 PPM? - Week 6 - Autoflower - GH Trio
Fresh res. New growth (cola pic) leaves are scorched a bit. Result of tox from 2+ weeks ago, still hot? My PH/PPM equilibrium is 250pmm w/ 0ppm H20. If I follow this rule (I never done), she would max out in 350ish PPM. Anyone follow the dance thru harvest? GH Trio nutes.
Week 6
Feeding. Deficiencies
4y ago
3
3
Solved
Filiaes
Grey leaf tips
Booth plants are showing some kinds of burn and I am not sure if it is nutrient burn or light burn or if there is something missing. Looks a bit like MG deficite but shouldn't the plant take that from the soil in that state and age?
Week 2
Leaves. Color · Yellow
Leaves. Color · Black or grey
Feeding. Deficiencies
2y ago
5
5
Solved
Naturalist
Regarding the tips Normal or too much Bloom?
I'm dosing at 60% of the feed chart but I'm not sure if I might be ODing the PH, think the LSDs have been yellowing a bit so I've boosted the FP a bit.
Week 14
Feeding. Deficiencies
6y ago
1
3
Solved
TheFattyMcCoy
Homemade inputs???
What do yall think of my diary? All homemade inputs, I invest literally less than 20 bucks in my inputs in the entire grow. I want to prove to you all that you do not need to drop money on bottled nutes, remember bottles are for babies. Challenge me? Just look at my diary
Week 7
Feeding. Deficiencies
Feeding. Other
4y ago
8
5
Solved
yinandyang
Spots on yellowing leaves
Brown spots on dying yellow leaves. This has happened on most of my plants after budding so thinking it may be a soil problem. My guess is boron, manganese or phosphorus as the stems on some plants are red. It starts low and eventually ends affecting buds too so I chop.
Week 9
Leaves. Color · Mottling
Feeding. Deficiencies
6y ago
3
3
Solved
FritzTheCat
Blotches on Haze Auto leaves (End of Week 8) - Diagnosis?
Could someone look at the last few images of my Haze? Is this a deficiency? What should I do at this late stage? Otherwise it seems okay, other three Autos are doing great. Block would look different? Very crowded tent. Fairly warm 25-30c. Humid 55%. Feeds 600ppm. Cheers!
Week 8
Leaves. Color · Mottling
Feeding. Deficiencies
6y ago
1
1
Solved
Theboll
Leaves purple
Some leaves are turning purple, can you help me? I know My plant has some nutrients deficency and i am already using fertilizing
Feeding. Deficiencies
3y ago
1
1
Solved
yokotasan
Looks like cal deficiency, but i don't know
Is this Cal deficiency? Only top leafs are deffected this way. Ph is around 6,2-6,4. Also this girl looks slower than the other two (which looks fine)
Week 6
Feeding. Deficiencies
4y ago
3
3
Solved
ironf1st
veg nutes pre/early flower, how long?
Hello fellow growers, im in the 2nd week of Flower of my 2nd grow, first time only autos, I was wondering, how long would you give them veg nutes? I think the stretch is slowly over, i was thinking about the next feeding, or week. plants got yellow lower leaves cause of N deficit
Setup. Strain · Autoflowering
Feeding. Schedule
Feeding. Deficiencies
3y ago
3
Solved
GreenCosmos
Calcium deficiency?
Saw this little brown/yellow parts today. She is in BioBizz LightMix Soil and gets 0.3ml/L BioBizz CalMag 3x per week. pH is above 6.5 . Today I gave her 1ml/L CalMag. Was this the right choice? Is this a calcium deficiency?
Leaves. Color · Dark-brown
Feeding. Deficiencies
3y ago
2
2
Solved
guerilla
Calcium deficiency or fungus??
Iv just gone into 12/12 and what i thought would be fixed with simple calmag. Has got worse! Leaves are very yellow with brown spots.. Seems to be just brown spots on 1 girl.. :-(
Leaves. Color · Yellow
Leaves. Other
Feeding. Deficiencies
6y ago
5
6
Solved
John_Federic
Is this a magnesium deficiency?
Why does my plant want to die?
Leaves. Color · Mottling
Feeding. Deficiencies
4y ago
1
5
Solved
AlienTeche
Well
I think my ph is off so I ordered some ph up and down with a ph tester kit I gave her some bloom booster 1/4 tsp per gallon of water im going to wait till I know what the problem is might just need some nitrogen.
Week 7
Feeding. Deficiencies
5y ago
2
2