Little blighter is getting leggy. Has stretched up an inch. Weather has been overcast and rainy so it's getting a little eager for more light. Considering a LED with a switch controlled by a solar light sensor (turns on when it gets darkish). Materials for SCRoG to be purchased and setup tomorrow.
Looks like potassium deficiency, IMHO. In fertilizers this is the K in the NPK. Here's a few ideas at this link.
How to Add Potassium to an Organic Garden: 9 Steps - wikiHow
Incredible Bulk Greenhouse Grow
Early days.
Has third set of leaves and is pretty compact so far.
Greenhouse is 10ft by 7'6" by 6'6" at the gable peak, north facing, with gravel floor. Polycarbonate with aluminum frame.
Grow media (parts ratio):
Coir (30%), Potting Mix with Zeolite and Seaweed...
This site reckons gypsum is a good additive for Cal.
It also says that Cal deficiencies are often caused by pH in the wrong range or too much sodium (Na).
Given gypsum is so common and cheap I recommend it even if it's not quite DIY.
Re: Jimmy D Cricket's Greenhouse Grow 2014 Chemdawg D, Girl Scouts, Afgani Kush, LA C
Great grow. Wondering if you could please show some pics of how you setup your activated charcoal anti-stink measures in the greenhouse? That'd be real nice to see.
:peace:
greenstreetgb,
I'm not sure about that. Growing in closets seems a bit naff to me and I've never done it, only outdoor grows. However, there's lots of experienced closet growers on the forums. Check the Completed Grow Journals for good info. Ultimately it comes down to your budget for the...
Hi Everyone,
I'm collecting info. to make a greenhouse grow guide. If you've any "AHA" moments to share please add to the thread.
Tip 1.
Cold air intake pipe(s). When building the greenhouse bury a pipe from a shady spot to the greenhouse. This is to carry air underground, cool it, and release...
Epsom salts for Mg and powdered eggshells for Ca (cook the eggshells in the oven for 10 mins at ~120 C, then grind in a mortar & pestle). You can top dress with the eggshell powder, just a light frosting, and water in with the diluted epsom salts (dosage is usually on the container for...
re: Southern Hemisphere - Sativa & Sativa X Indica Grow
Simple rule of thumb is, "As above so below". That means the plant above is a rough representation of the amount of roots below. Cannabis roots tend to stay more shallow than the plant is tall yet wander horizontally more than say a...
Re: Jimmy D Cricket's Greenhouse grow 2014 Chemdawg D, Girl Scouts, Afgani Kush, LA C
Greenhouse grow info is why I joined the awesome 420 forums. Sub'd.
Re: Growing and Mozart
Mythbusters did a fun video on this. They found that constant heavy metal music produced the greatest growth in their test (with control group).