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Let's Do Some LST

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2082
a year ago
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Grow Conditions
Week 8
Flowering
25.4
cm
inch
Height
12 hrs
Light Schedule
12+ conditions after
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Nutrients
ml/l
ml/gal
tsp/gal
Bacillus Thuringiensis subspecies Israelensis (Bti) aka Mosquito Dunks
1.3 ml/l
Potassium Silicate Solution (Agsil16H)
1.585 ml/l
MicroLife Super Seaweed
15.85 ml/l
6+ nutrients after
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Grow Technique Usage
LST
Technique
Defoliation
Technique
Syn-ganics
Technique
Commented by
NegotiatedBubble NegotiatedBubble
2 years ago
      Grow Goals Week 1 of Flower ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ 🌦️ VPD of 1.2-1.5 kPa for Early Flower 🌙 Diurnal Temp Difference of 10°F / 5°C 🔆 Begin 12 / 12 Photoperiod 🔆 Maximum Light Infiltration 🔆 Maintain DLI at 40 for Early Flower 🚜 Microbes & Mycorrhizae 🚜 Even Defoliation Across Plants 🔎 Pest Inspection 🔎 Nutrient Deficiency Inspection 🔎 Plant Happiness Inspection 🔎 Note Growth Response _____________________________________          🚜  Maintenance Flush    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ After seeing signs of pH lockout, it was time to perform a maintenance flush. The initial runoff test was +1.86 EC over the EC of the feed, so I fed a nutrient solution that was 3.86 EC and the runoff was 5.49 EC. I flushed three times using a 20% nutrient solution. Testing the running off of each plant.   One thing to note, is that the very first runoff test for #2 for its very first flush measured at 3.56 EC. The plant had started to recover and was consuming much of that overfeeding. #2 is looking better.        🔆  No Far-Red (IR) Light During Early Flower    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ I have covered up the Far-Red (IR) diodes on my lights with electrical tape. They will stay covered until mid flower to minimize the stretching that early flower brings. The ratio of Red photons to Far-Red light is what activates the plant’s shade avoidance system (stem elongation). R:FR ratio has been studied since the 1960’s, but the emergence of Far-Red (IR) LED’s for growing has recently brought research back to the forefront.        “We get asked a lot about how these photobiological ratios apply to cannabis. The good news is that my laboratory has a state license to study   cannabis. So we've applied these ratios to predict cannabis growth, and they have the same value in cannabis as they do in all other crop plants.   Adding far-red is both good and bad and that's why the sensors are so important. You want to add the right amount at the right time to get full   advantage of it. More far-red can make cannabis plants taller. That’s usually bad. But it also helps expand leaves. That's good.”

       Dr. Bruce Bugbee. “Predicting Stem Elongation and Leaf Expansion: Percent far-red is a better predictor than PPE”, YouTube   www.youtube.com/watch?v=I_KPcg5eSV8&t=1111     Cannabis behaves more like tomato - the disadvantages of stretching outweighs any benefits of leaf expansion. Leafy greens like lettuce are all leaf expansion with no stretch. Far-red light has huge implications for indoor growing of the food that we eat. 
       “How about cannabis? Everybody wants to know colors of light. Cannabis, far-red makes it taller, blue makes it shorter. So cannabis is more like   tomatoes in this thing. We’ve got to be careful not to give too much far-red for cannabis because they get too tall.”     Dr Bruce Bugbee. “Photobiology Simplified with Dr Bruce Bugbee”, YouTube,   www.youtube.com/watch?v=gHOJQmYFW1A&t=452s     The below Far-red: The Forgotten Photons video is also a great watch:       “When plants perceive a high amount of far-red, they panic … they need to do one of two things: get tall fast to get into the light or get bigger to   capture more light.”   Far-red: The Forgotten Photons, Dr. Bruce Bugbee   www.youtube.com/watch?v=sS7aAcacfgk?t=1453       🌦️  Measuring Air Flow    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ Before I purchase any more fans for my grow tent, I need to determine if they are actually needed. Even a small fan in a large tent will beat the crap out of the closest plants. I currently use 3 cheap box fans bolted together to cool my lights. This box fan setup causes a visible updraft in the tent. My target air speed is about 0.8 m/s. This is the air speed used in non-related experiments by the USU Crop Physiology Laboratory.   I found a used hot wire anemometer on eBay for about 50 USD / 46 EUR. These air speed meters are commonly used by HVAC technicians, so you can find older, used models for cheap. The air speed that I measured around the canopy was no less than 0.6 m/s - on target. However, under the canopy I am getting very low readings. Humidity can build up under the canopy, so air movement is critical here as well.   I have already defoliated the bottom of the plants, so a few desk tower fans turned on their sides should be sufficient for air movement. I will be plugging all these fans into a single repeat cycle timer (25 USD / 23 EUR) so that they blow for 2-3 seconds every few minutes. This will decrease the amount of wind abuse inflicted upon nearby plants.     My Box Fan Setup   https://growdiaries.com/diaries/165474-grow-journal-by-negotiatedbubble#gallery=6715003     TPI 565 Hot Wire Anemometer   https://www.tequipment.net/TPI565.asp     Short Period Repeat Cycle Timer   https://www.bn-link.com/products/bn-link-short-period-repeat-cycle-timer-day-night-or-24-hours-operation       🚜  LST Canopy Closure    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ A few weeks ago, I attached some LST hooks to the tops of some branches and pulled all of the strings through a single cord lock for #6. A hole of the canopy had formed and I needed to close the hole just a bit.     Canopy Closure Before and After   https://growdiaries.com/diaries/165223-grow-journal-by-negotiatebubble#gallery=6859560       🔎  Pest Inspection    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ I am enjoying being pest free since closing the lung room door. I will continue to use yellow sticky traps to monitor for any infestation.       🔎  Nutrient Deficiency Inspection    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ #2 is recovering (see above) and I will continue to test runoff for a few feedings. No other visual symptoms.      🔎  Plant Happiness Inspection    ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ Plants are looking very happy.      ___________________________________________________________________________________________________________________________________________      Fabric pots to prevent root binding.   I am taking the Syn-ganics approach. Using soil with microbes + mycorrhizae added to the nutes. Mycorrhizae will be phased out during flowering as the high phosphorus environment halts fungal germination (Teaming with Fungi: The Organic Grower's Guide to Mycorrhizae by Jeff Lowenfels)   Enzymatic (Sensizym) will assist in breaking down dead root material in the soil. Any brand enzymatic that can break down cellulose will do just fine.   Agsil16H Potassium Silicate is pre-mixed at 148g per 1 gallon of water. Silica will aid plant strength/structure and also make the plants taste terrible to pests. As a side note, plants with too much nitrogen input taste sweet and delicious to pests!   Bacillus Thuringiensis subspecies Israelensis (Bti) (aka Mosquito Dunks) solution is added to the nutes to kill any larvae based pests such as gnats. Mixing Mosquito Bits into the soil is also a great idea.   Seaweed Bottled Mix Ingredients (NOT an endorsement. I purchased this with my own money) ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ - Ecklonia Maxima Kelp - Fish Hydrolysate - Blackstrap Molasses - Humic Acid / Fulvic Acid - Select Amino Acids (L-Alanine, L-Arginine, L-Aspartic, L-Cystine, L-Glutamic Acid, L-Glycine,    L-Histidine, L-Isoleucine, L-Leucine, L-Lysine, L-Methionine, L-Phenylalanine, L-Proline,    L-Threonine, L-Serine, L-Tryptophan, L-Tyrosine, L-Valine) - Calcium Phosphate - Arcanite - Sugars - Yucca Extract - Tryptic Soy Agar - Plant Hormones, Plant Growth Stimulators and Vitamins (Auxins, Cytokinins, Gibberellins,    Abscisic Acid (ABA), Adenine, Indole Acetic Acid (IAA), Adenosine, Zeatin, A (Carotene),    B1, B12, C, D, E, K, Biotin, Niacin, Choline, Pantothene, Folic Acid, Folinic Acid) ________________________________________________________________________________    I Build My Own Custom Grow LEDs https://growdiaries.com/diaries/165481-grow-journal-by-negotiatedbubble   Custom Built Modified Grow Tent Frame https://growdiaries.com/diaries/165474-grow-journal-by-negotiatedbubble   Custom Built Watering Table https://growdiaries.com/diaries/165482-grow-journal-by-negotiatedbubble   VPD Chart and Calculator spreadsheet https://docs.google.com/spreadsheets/d/1Dta8AptwIIgo728nAu4l9acrWYWPdrljjV4uzXwGJ0Q/edit?usp=sharing   My Custom Nutrient Spreadsheet https://docs.google.com/spreadsheets/d/1grolLVrJLQVSdK7sdnR7dS86axWIzDgW1iWWZIFHhiA/edit?usp=sharing      
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NegotiatedBubble
NegotiatedBubbleweek 1
Thanks Cyrus. Thanks Resinus. This is probably my 9th of 10th harvest, experience-wise. With so much BroScience™️ still floating around, I always like to question why when I do something in my grow space. I spent about 4 month straight listening to grow podcasts while doing food deliveries and also research a lot in my spare time. I have hammered out a rough process for myself and figured time to post what I have so far. Teaming with Microbes is a great fucking book. Bruce Bugbee is THE authority on how photons/wavelength/etc interact with Cannabis.
UnorthadoxDude
UnorthadoxDudeweek 2
Hey mate, loving the detail in text. I enjoy reading as I find it more informative than photos. The photos for me are the result or the metric or measure, the text is the subject at hand. :) I also like your invention with your own made kit, something I find inspiring. Can you tell us a little about your past growing experience?
UnorthadoxDude
UnorthadoxDude
@Ezzjaybruh, It's wonderful to hear you inspired to write more... I share your frustrations mentioned and will not elaborate for obvious reasons.
Ezzjaybruh
Ezzjaybruh
@UnorthadoxDude, after reading this.. makes me want to add more to my diaries than I have been lately. I just have got a bad taste in my mouth with this site of late, for many reasons I won’t go into here.. but I don’t realize ppl might be looking at my diaries for specifics to learn..
NegotiatedBubble
NegotiatedBubble
I was searching other people's public google drives files for VPD charts. I found a copy of the pulse grow VPD chart that someone apparently converted to a Google Sheets Spreadsheet. Very nice. VPD Chart https://docs.google.com/spreadsheets/d/1M9jGhBA0lc2S8NEsq3q_6Mkpd3yJwedSZ3kfxuK0ZVI/edit?usp=sharing
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gottagrowsometime
gottagrowsometimeweek 5
Very detailed diary. Good read. Good much with the rest of her!
NegotiatedBubble
NegotiatedBubble
Thanks for that @gottagrowsometime. I trashed most of my grow equipment before moving to California and am reinventing my environmental control due to the change in local climate.
MedicineMaker
MedicineMakerweek 5
Nice LST work! I'm really enjoying reading about the details of your grow setup, very informative and helpful! 👍 Thank you my friend!
GreenGlowes
GreenGlowesweek 2
Good luck with your gro! 😎
Cyrusdavirus
Cyrusdavirusweek 1
Sounds like you have done some homework and the newbie title is just because you just started on Growdiaries. Well welcome to the neighborhood enjoy Great looking youngsters 👍 happy growing 😎🌴
amazongrow
amazongrowweek 14
wow, this an artist's diary. at first I kinda went this path but now I'm so lazy and mostly update the pics and give the viewers an overview of the week... this is much better, thank you and keep it that way! btw, nice girls... they look lovely and I would not worry about any deficiency at this stage, most of the pics I have seen seems to be senescense related. However, the space looks crowdy, you got to watch out for mold and air circulation very closely, but the new dehumidifier will help I guess. I would recommend less plants and mainlines... they get very big and horizontal spread also thriving on the stress! good luck from Brazil! =)
amazongrow
amazongrow
@NegotiatedBubble, thanks for the tip. I have started adding silicate this grow and had no issue with mold or mildew I would say, with the addOn of an AC during 35+ days of flowering. Got myself a 240W Quantum Bar now and this next grow I hope to get some much more potent buds with my new AC during flowering... Hope your new setup fixes any issues. You deserve it, very well orgnized fellow. Congrats! Tchau, do Brazil!
NegotiatedBubble
NegotiatedBubble
@amazongrow, I live next to a cold water bay and see 68°F / 20°C with 60-70% RB days, and then 50°F / 10°C with 80-90% RH at nights. Typical A/C's are not very good at humidity control when it comes to indoor growing. This applies to drying room conditions as well. In that case, I need very cold + 60% RH, but the A/C running that much will dry the air out about 4 days into my drying session. Previously, I ran small humidifiers in my drying room after that 4 day mark. I will be tweaking this for my new climate. I reduced the LGR Dehu to 40% and managed to get the tent down to 55%. I also defoliated much of the plant to insure against mildew issues. I am going to overlay some cheap vinyl flooring on top of the existing wood floors. This should cut down the amount outside humidity entering the room. If you are not supplementing with Silica, then start now. Silica prevents a lot of mildew diseases such as Botrytis.
amazongrow
amazongrow
@NegotiatedBubble, you have a lung room? a room for air conditiong RH and stuff before sending to the tent? that should be awesome! what are your conditions on the outside world? As I grow in the Amazon, the humidity here is almost 95% outside most of the year (lots of rivers, trees, rain, etc).. once I thought about getting a lung room, but still I had to deal with the temperatures (28C almost all year around).... this time around I have used an AC from day 35+ of flower and the results were just fucking amazing! Having said that, fighting climate is a bitch and its fucking hard! =/ But as you are all organized, I believe its a battle you will win! Congrats, bro!
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Ultraviolet
Ultravioletweek 16
Loving the info, veritable bank of knowledge you are Negotiated bubble. Making your own LeDs , now that's interesting! Right up my alley. Not now though, my ass is broke from previous ideas :)
NegotiatedBubble
NegotiatedBubble
@Ultraviolet, a lot of these new "Amazon" lights still do not have the Samsung LM301H diodes. The newer "LM301H EVO" diodes are not for beginners due to missing red spectrum (have to supplement red diodes separately). I only expect to see EVO in commercial setups. All the more reason to build my own!
Tweezer
Tweezerweek 6
Thats some of the best LST I have ever seen, nice work brother!
NegotiatedBubble
NegotiatedBubble
@Tweezer, thanks for that. My even flowering canopy alway looks like screenless-scrog toward the end. Looking forward to posting some flowering pics soon.
Wastent91
Wastent91week 18
Yuor work are amazing for me! Yuo are a specialist in all of his part of this miracolous indoor cannabis grow! Thank yuo to exist and follow up toghether yuor ability! Thank full for all! 🙏👊😽😼😺🧑‍🌾😻💖💖
yourbestbud
yourbestbudweek 17
I like the tip on the cooking spray definitely gonna do that when my first harvest is ready. Your buds are looking amazing!
Qutro
Qutroweek 18
Those nugs look yummy.👌
HydroHerb420
HydroHerb420week 18
Wow. This is another level. So much detail. Congratulations 💚💚
Zengrower
Zengrowerweek 18
Those buds sure have bag appeal, very nice 👊
gottagrowsometime
gottagrowsometimeweek 13
Nice diary
Terp1
Terp1week 12
Ich wünsche dir eine hervorragende Ernte. Ich finde deine Arbeit beeindruckend. 💪
Terp1
Terp1week 10
Wahnsinn.... einfach nur wahnsinn 😍
resimax
resimaxweek 1
Good luck and happy growing! 😎
WhiteEdge
WhiteEdgeweek 16
Excellent diary , very informative. Harvest looking insane, those buds 😋
WhiteEdge
WhiteEdge
@NegotiatedBubble, It make wonder, i start injecting co2 from last grow and i going to continue with it..
NegotiatedBubble
NegotiatedBubble
@WhiteEdge, not a bad yield considering there is not any CO2 injection. Next flower will have CO2.
MedicineMaker
MedicineMakerweek 17
Looks like congratulations are in order bro! 👏 Awesome work and the buds look rock solid! 👏 Thank you for all the harvesting tips as well, I'll definitely try out the PAM spray, I was using rubbing alcohol... Good points as well on the wet trimming 🙏 I'll be using what I learned from you on my 2 current grows. Best of luck on the drying and curing my friend! 👈
MedicineMaker
MedicineMaker
@NegotiatedBubble, Every grow, we be better 👊 Your harvest is beautiful one. 👏 Thank you for sharing the book, it looks like a good read. I've been wanting to check out Ed's Cannabis Growers Handbook as well. Happy drying and curing 👈
NegotiatedBubble
NegotiatedBubble
@MedicineMaker, thanks! I learned a ton this time around and was glad to share it. I ran across the below harvesting book and was able to check out the digital version though my local library. The book has a lot of useless "filler", but still a great read toward the end.     Marijuana Harvest: How to Maximize Quality and Yield in Your Cannabis Garden, by Ed Rosenthal, David Downs