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Well hi guys! I'm Nech, first diary here, not first grow though. The strain is a feminized photoperiod Whidak 47 from breeder Super Autos Seeds (Latitud Sur).
I always grow organic, using organic amendments as fertilizers. This substrate is a mixture of coco coir, perlite, regular soil, vermiculite, expanded clay, organic Bokashi, organic Compost, earthworm castings, Azomite, and seabird guano (manure).
I really can't say the exact proportions because I mixed it intuitively based on what seemed to make sense according to my experience. But basically grabbed a whole bunch of soil and coco coir as base, mixed it with a small batch of perlite, vermiculite, and expanded clay to improve aeration, and finally added the amendments. Some Bokashi, Compost, earthworm castings, Azomite, and seabird guano.
The idea of organic growing is to feed the soil, and the microbes in it, who then feed the plant. Overall I'm pretty confident it's going to work just fine, I've used similar substrates in the past that worked great. I don't think I under or overstepped with the nutrients (although it may happen, let's see). In each transplant, I'll be using Mykos mycorrhizae to reduce stress and improve root growth and nutrient uptake
Next time I'm going to document exactly the proportions of each compound in the mix but this time we'll have to roll with it.
As a light source these firsts weeks I'm using a Cobshop Autocob LED rated at 60W, hanging at 60cm (24"). Tent is a 60cm x 60 cm x 160cm (2" x 2" x 63")
I hope you enjoy this grow as I will, and I'm always welcome to questions and suggestions.
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Being summer in my country this has been a pretty hot and dry week. Relative humidity ranged between 35% and 50% inside the tent and temperatures ranged between 26ºC to 31ºC and I'm using LED's, thankfully I'm not using HID bulbs. Despite the really low humidity and high temperatures these girls just kept growing.. They didn't seem to care at all. I'm pretty happy with the growth rate they've maintained. Let's see how they evolve.
Geez, they're growing like crazy, showing a very healthy green color. They seem to love the light (as usual), the 3500k Autocob is great for both vegetative and flowering. They still don't care for the high temperatures and low humidity of this season, at this point now I'm pretty sure they won't care at all.
I had to support the Pheno 1 with an iron tie because it was dropping a little to the side by its own weight.
Besides that, they seem happy and all goes well. No signs of stress and no deficiencies or nutrient lockouts.
On day 12, I topped them at the fifth node.
On day 14 I changed the 60W Autocob Led light to a Viparspectra P1500 at 60% potency (roughly 90W thanks to the dimmer). Also, I started LST to give them the appropriate shape for the tent.
So, the babes keep growing at an accelerated rate, which has me pretty happy. High temps and low relative humidities? Zero fvcks given.
I'm doing some LST on them as previously said, the idea is to give them a rectangular shape. The tent is 60cm x 60cm (2' x 2' ) so I'm going to try and shape them as close to two 60cm x 30cm (2' x 1') rectangles as possible.
This particular strain although from a not very reputable or known breeder technically provides between 500 and 800 grams per square meter (18 to 28 oz per 11 square feet). I can only believe the 500 and doubt the 800, but for sure is a big, yielder strain, a mix of Ak 47 x White Widow.
And it shows. Based on their actual growth rate and if all goes as planned, I think I'm gonna stretch the veg to six weeks, shape them good, and grow absolute monsters. 💪
Merry Christmas to those that celebrate it!
On day 18 I made the first and last transplant to their final pots (around 14 liters), applied Xtreme Gardening Mykos mycorrhizae, and topdressed with some worm castings. Everything goes well, nothing to worry about, I hope it keeps going that way.
Took the LST ties out for a few days to let them acclimate to their new pots.
On day 20 I found some stress signs on Pheno 1, some sort of deficiency (nitrogen probably) or pH problem, nothing that worries me, she's growing nonstop anyways and it ain't severe.
Happy new year for those of you that believe in the gregorian calendar! For those who believe in the Kurzgesagt New Calendar, also happy new year (12021 )too!
So, back to business. Plants have been growing great, thankfully. Day 23 and 24 of their lives were actually December 31 and January 1, so I was away with my family celebrating and couldn't take photos of them.
On day 25 (January 2) I came back to my home and I gotta say I was pretty surprised with their growth. Not seeing them a few days is the best way to see how fast they grow.
As I said previously I plan to make the vegetative state 6 weeks (42 days) long. If they're this big right now on day 26, I'm really looking forward to seeing how big they will become in the next 16 days.
Pheno 1 is showing some signs of deficiencies or lockouts on the lower branches, probably pH-related, nothing that worries me since it's not spreading to the whole plant and the growth is still vigorous.
Starting week 5 the girls are coming in hot, I reapplied the LST ties to give them the shape I'm looking forward to. It seems to go well, the canopy is nice and even.
They're healthy, happy, and growing fast.
One more week and flowering comes into play. See you there!
On day 31 I pumped up the Viparspectra P1500 to the max (150w) for the rest of the vegetative stage. Could have done it earlier, but being the holidays I forgot haha.
In the flowering stage, I'll keep it at max potency, and maybe add the Autocob (60w) on the last 3 or 4 weeks for the added 3500K light spectrum which will be great to promote flower growth.
I feel that even with the IR and 3000K diodes, the Viparspectra P1500 lacks a little bit of red spectrum. It's focused more on the vegetative stage, that as we can see works outstandingly well, but in flower, I can get better results by adding more red spectrum in there.
Day 35 went without trouble, they fully recovered from stress (probably caused by 35% ish of relative humidity paired with the 32ºC inside the tent and the LST).
Well, here we are. Last week of vegetative. After this, the reason we are all here... Flowering.
Let's make a great week out of this one, and help them get there in the best shape possible.
They're looking gorgeous I gotta say.
On day 39 I added a scrog net so I can have an even canopy
End of week 6, day 42. This is it, fellas. They look beautiful and ready to stretch and grow great flowers.
I'm gonna be adding some more Seabird Guano (manure) to meet the need for phosphorous they will have from now on. Since it's a slow-release fertilizer, I'll add some amount today and some in mid flower.
I'll add some more Humus, rich-in-Compost substrate, and Azomite to meet any left-over requirement for nitrogen and micronutrients.
I changed the photoperiod to 12/12 just now. Let's see how long they take to get into flower.
Transition week between veg and flowering, lights are already at 12/12.
Plants keep growing beautifully, they're starting to stretch a little bit.
We have been having temps in the range of 30-35ºC, which are really hard to control. Thankfully plants are resistant to it, by genetics and by microbiome inside of the pots since it's organic.
Day 50 plants started to show signs of flowering so hereby I declare flowering period started!
As said before, pre-flowering nutrients were applied.
Seabird manure (Guano) for phosphorous intake. Humus, and compost-rich substrate to cover any remaining nitrogen and potassium needs.
And finally, Azomite to cover any micronutrients and mineral traces that plants could need until harvest.
Maybe I'll add some mid-flower Seabird manure just to be sure they get everything they need. Not sure yet, we'll see how they develop.
This week I'm gonna apply Abamectin as the flagship insecticide (mainly focused on mites) with residual effect. On mid-flower I plan to reapply it so the effect lasts until harvest.
Done some mild defoliation on day 52 to uncover the center bud sites so light can reach them properly.
The second flowering week is coming along pretty nicely, no nutrient problems on sight
Lots of bud sites developing, plants are green and happy, all buds seem to be growing at an accelerated pace.
I'm really proud of the LST I did. The final shape of the girls couldn't be better for what I intended. They are 2 almost perfect rectangles that occupy half of the tent each, raising the profit ratio on the space acquainted.
In theory, at least. We'll see how they wind up. For now, they look promising.
Third week of flowering coming along, plants are still happy and going strong. They're loving the light, you can see how they do the "praising the sun" leaf angle.
On day 65 I added a top view of them just so you can appreciate the shape they finally got with the LST. As I previously stated, they are two identical rectangles filling almost every square centimeter of the tent.
Completely filled with bud sites at similar heights, that is the best approach in small spaces to take advantage of the lights. I'm quite proud of how it turned out.
Conditions are far from ideal. Temperatures are off by 5 degrees celsius almost all the time, since the beginning of the grow, sadly.
Nonetheless, plants are turning into little monsters and I appreciate that. They are putting a lot of effort and so, I'm a proud father of them girls.
Well, my phone broke, and I lost pictures of some days. A replacement is coming in 2 weeks, in the meantime, I'm stuck with an old huawei that barely does the job. I kinda lost track of the days too. Been a hell of a ride these weeks. I'll try to recompose everything as soon as possible.
Plants are growing strong, Buds fattening, and they're starting to show some nitrogen deficiency that I will treat with more compost.
Girls getting quite fat right now, camera lens shows much more yellow than they actually are, but indeed they're starting to fade a little. Trichomes are becoming more and more present on the buds.
Heat and low humidity just don't cease... It's a shame, they could have been literal beasts if humidity and temperatures were more forgiving.
It was a good strain, it doesn't give the 850gr/m2 stated on the package, not even close. But even after the countless weeks enduring low humidities and high temperatures, they did just fine.
110gr both plants, I mean, to be only 2 plants in a 60cm x 60cm tent... I'm not even mad. I reckon that incessant high temperatures and low humidities played a big role in the relatively small harvest, so I'm quite happy with the result.
Sadly I lost pictures of the last weeks since I had trouble replacing my phone, sorry about that. But they were good plants, I'm proud of them. I smoked or gifted most of the nugs, but I have a few left to upload the pictures.
Now that summer's over, and the climate control will be easier, the real deal starts. For my next grow, I'm gonna have 4 autos in that small tent, let's see how it goes.
See ya there, and thanks for watching!
@GuerrillaNo_4, Thankfully they're tough as nails, I hope they keep like that until harvest.
Yeah, I just saw your diary, maybe it's because Northern Lights are genetics usually resistant to cold, I never cultivated them in high heat environment. But in winter they handle it like pros. Great job tho! I'm sure your plants are gonna harvest a great deal.
@Nechmett, I'm amazed how well they are handling it. Just look at the burn on mine from 32'C, and mines a Northern Lights Auto cross, so fairly hardy genetics too