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Northern Lights Auto (Biochar Mix Soil)

4
98
4
1755
2 years ago
Indoor
Room Type
100%
Soil
Grow medium
LST
weeks 3,4,...
Defoliation
weeks 6,7,...
Photos & Videos
Grow Conditions
Week 6
Flowering
18 hrs
Light Schedule
26
°F
°C
Day Air Temperature
79
°F
°C
Day Air Temperature
6.6
pH
60%
Air Humidity
23
°F
°C
Night Air Temperature
73
°F
°C
Night Air Temperature
1.32
gal
l
Pot Size
5
gal
l
Pot Size
40.64
inch
cm
Lamp To Plant Distance
16
inch
cm
Lamp To Plant Distance
0.79
gal
l
Watering Volume Per Plant Per 24h
3
gal
l
Watering Volume Per Plant Per 24h
Nutrients
Grow Technique Usage
Defoliation
Technique
Commented by myrceneCB1 myrceneCB1
2 years ago

WEEK 6 (13/1/2020 – 19/1/2020)

14/1/2020 - Micro - 1.5ml/L Gro - 1ml/L Bloom - 1ml/L Sio2 - 1ml/L O2 - 1ml/L 4L x 4 +1L = 17L Micro - 25.5ml, Gro - 17ml Bloom - 17ml Sio2 - 17mlO2 - 17ml Ph - 6.3
After watering mixed with nutrient noted that the run off water pH for all plants around 6.6 - 6.7. Except plant 4 the pH was 6.3. Still acceptable. Did a little pruning. Removed the small leaves at the bottom. Accidentally broke a branch off plant 4. Wanted to use micropore plaster but it was too close to the node, so decided to use soft wire tie instead. Let's see if the branch survives. It was quite a bad break. Otherwise the plants are doing fantastic. No signs of nutrient burn or deficiency. All the plants under leaves inspected and no signs of pests noted. So far so good. The major concern for today is, did I go overboard with the nutrient feeding. And another concern is the branch for plant 4 as mentioned earlier.

16/1/2020 - Did major defoliation for all plants. It was quite painful. Tied down all the big branches to open it up for ventilation. I broke one of the big branch for plant 3. Plant four seems to be doing well from the accidental break 2 days ago. Removed the soft tie and for both broken branches I used micropore plaster to hold it. I really hope the plants survive today's high stress training.

18/1/2020 - Noted plant 2 and 3, middle to upper leaves having rusty orange spots. Most notably on plant 3. My differential diagnosis would rust fungus. But most likely to be calcium deficiency. I shouldn't see this growing in soil. But maybe because I'm using filtered water which is already deficient of calcium and magnesium. It didn't show earlier on because the plants were small and the soil could compensate. And now as they are already flowering and the soil is unable to compensate anymore. Or it could be rusty fungus and I'm fucked. I can't see any proper treatment from the forums. The regular sulfur may or may not help. So the plan now is treat what can be easily treated first. Calmag deficiency.
Micro - 1.5ml/L Gro - 1ml/L Bloom - 1.5ml/L Silicon - 1ml/L O2 - 1ml/L Micro - 25.5ml Gro - 17ml Bloom - 25.5 Silicon - 17ml No O2 givenPh adjusted to 6.6

19/1/2020 - Both small fans raised. Light raised as well to 16 inches from canopy. Plant 4 despite of its weird pheno is growing so fast. Multiple bud sites. So tall! Also one of the broken branch that got reattached with micropore plaster seems to be thriving and bud sites are growing! Didn't think it would survive. Plant 3 appears to look OK. No new leaves developing rusty spots.
5L of water mix with 7mk of Cal mag.

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