Maximum yield potential

DrBlaze

DrBlaze

Well-Known Member
KonopCh said:
As title says, what is my maximum yield potential?
- Total light wall watts?
- PAR watts?
- Strain yield (breeders write on their website for example 550-600g/m2) which is determined with tent size?
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Sounds like you're new to growing, so my answer would be...

waay less than you're dreaming about :P
 
CobKits

CobKits

Well-Known Member
TacoMac said:
There are so many different possibilities, strains of high yeild plants, growing methods and lighting combinations that grams per watt is, sorry to say, a completely and totally useless measure.
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i wouldnt say its useless. its certainly the most readily avaialable for people who arent making radical changes

like youre running strain X at height Y with veg time Z

and you switch from 1000 hps to 700W of led, its the most basic simple measurement

now comparing one garden to another is truly apples and oranges
 
Rahz

Rahz

Well-Known Member
TacoMac said:
Grams per watt is, frankly, the most useless measure there is. It all depends on how many plants you're growing, for how long, and the amount of light, and many other variables that are so out there that it's simply not possible to count it as a reliable measure.

Take my example, for instance. I grow two plants at once one time per year under a 600 watt HPS. I usually net between 4 and 6 ounces per plant. Let's say I get 5 from each. That's 10 ounces. That's 284 grams. That's .47 grams per ounce.

If I just grow two more plants, which is very easily doable, that nets me 20 ounces which equates to 567 grams which is .945 grams per watt.

If I go back and grow 3 plants but run a scrog on them, I can easily get 8 to 10 ounces per plant. That scenario leaves me with up to 30 ounces, which nets you 851 grams, which runs it up to 1.41 grams per ounce.

And that's still not a maximum effort.

There are so many different possibilities, strains of high yeild plants, growing methods and lighting combinations that grams per watt is, sorry to say, a completely and totally useless measure.
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By that logic there is no useful measure. In your best case scenario 1.41 is reasonable for your level of skill (Very nice too under HPS). By my calculations it comes out to 3.8 grams per par watt, or 3.4 grams per par watt if 600w DE which is what I would predict for someone who knows what they're doing and uses the space well. If you know you can hit 1.4 and you're only hitting .47 it's not your best.
 
TacoMac

TacoMac

Well-Known Member
No shit, Sherlock. I could never use that amount of marijuana and I don't sell it. It's grown only for my personal use, hence why I only grow two plants per year and don't bother scrogging or anything of that nature. It's not worth the effort as I'd just wind up throwing it out.
 
wietefras

wietefras

Well-Known Member
It also depends what you are limited on. Some growers will want to be efficient as possible aiming for high g/W. They will use efficient lights and/or "low" light intensity (say between 400 and 600umol/s/m2) while others are limited in space and will aim for high yield in g/m2 and care less about efficiency.
 
cdgmoney250

cdgmoney250

Well-Known Member
Grams/ SQ Ft is IMO the 'best' metric for measuring the total production in a space. Veg time, pot size and number of plants are all irrelevant when it boils down to how much weight is pulled from a Square Foot or 4x4 area. Plants have a predetermined length of flower time, so whatever combination of tactics you use is what counts in the end.

Grams/ Watt is almost useless unless everybody used the same exact fixture at the same exact efficiency. 400W lights can be pretty inefficient (i.e. HID, Fluorescent CXB3590 x4 @2.8A) or they can be made very efficiently (i.e. CXB3590 x16 @ 700ma).

My point is two different 400W fixtures can offer vastly different performance. But the production area (size of growing space) remains constant.
 
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