Second Martian Method attempt

[salmayo]

Red Inc.'s emit Red, Far Red and No Blue, which Rauber defines as PAD (Photosynthetic Artificial Darkness).

Since SID is "Standard Indoor Darkness", both SID and PAD are recognized as darkness to the plants senses, but Red Inc.'s PAD spectrum causes the plants timer to run slower while providing Red as a Photosynthesis source.

The usual advantage of PAD, is both greater Photosynthesis and pigment pigment synthsis (THC) compared to SID.

In general I would say yes to your last question, and the exceptions are PAD spectrums so Far Red dominant that your probably never going to used them for photosynthetic and pigment synthetic lighting alone (unless you were using Rauber Enhancement which greatley modifies these effects.

The only draw back of Red Inc.'s I'd say is the same for spectrums with both Red and Far Red signalling, since the absorption going through the canopy reduces the Red Signal, while leaving the Far Red signal largely unaffected by leaf absorption, but somewhat absorbed by dense woody stem type grow. This causes high Far Red to Red ratios (~ low Red to Far Red ratios), which triggers stem elongation, on the other side of the plant that the Red Inc. source (Red Inc. on top, stem elongation on the bottom. Red Inc. below, stem elongation above. etc.)

I think of excessive stem elongation as grow WITHOUT what would otherwise be desired sythesis of molecule compounds or leafs by weight (useless woody paperry grow, PULP). Half as much stem grow with more syntesis of desired compounds (THC!) would be far more desirable.

Compared to Red Far Red spectrums Rauber Enhancement provides fairly uniform stem elongation top to bottom, side to side (volumetric uniformity), which tends to provide more compound synthesis top to bottom, side to side by it's nature.

Take care, Sal.

[Micsog]

your the shit man! so it don't make it produce more then normal amount of weight it just packs into a better package so to say

[Dogznova]

your the shit man!

I've been saying this for over a year now.....LOL :thumbsup:

[salmayo]

your the shit man! so it don't make it produce more then normal amount of weight it just packs into a better package so to say

It's more than that even.

Since components working together at optimized ratios function better, not only is the growth more uniform, but larger.

Take care, Sal.

[growboys]

Ok.. finally finished reading the posts from Sal, mother & gang on canibus.com and their grows. MM etc.. MM try #2

One thing I think is missing is an accurate measurement of output of different lighting sources. Not just output but that is part of the calculation. At the moment it seems that people are using a variety of lighting sources including LED's from god knows which company using which chipset and what encapsulation material which may reduce wavelength output of UV etc.. additionally different chipsets produce different spectrum's. That said.. for white lights an efficiency rating for photosynthetic reaction, and absorption must be calculated. Some refer to PAR but that is a term that far too many toss around. Each is unique to the manufacturer. Your light calcualtions are based I think.. on the trial and error calculations you, yourself have calculated for each light.

I think it would benefit the growing community to address these trial and error calculations by doing a study with a set parameter. Chipset etc.. etc.. although chipsets change in power they rarely change wavelength or overall efficiency. Provided you use the same chipset manufacturer and encapsulation media.

Mother's lights for the MM#1 & MM#2 were a very old type of LED from at least 2 years ago from the looks of it. Since the technology changes at such a fast pace (usually every 6 months). I will attempt to standardize some things here in my head.

At the moment we have been talking about "Blue Light" in PAL, then a period of SID (Regular Darkness), and then a mixture of near and far red in PAD.

Looking at the photosynthetic action spectrum which has been scientifically calculated by several Universities for standard hemp plants, tomatoes & hops the peaks are at roughly 440nm and 660nm respectively.

Thing is, currently the most "blue" output in the 460nm level is not produced by a "blue" LED but rather a "white" LED. For instance the 12000k Cree 1w LED produces 99lm while the 460nm produces 18lm .. now as we know that white spectrum is over a vast number of wavelengths. Now with mathematics software the volume of any point under the graph (between any wavelength span) can be calculated and then divided by total area (to give a percentage of volume compared with total output and then multiplied by the lm output of the LED. In this manner.. although white light is all spectrum the white Cree is actually still has nearly 2X the blue content output as a blue LED.

For regular growing cycle. I wonder what effect a white LED would have on these calculations?

[Dogznova]

GB what's up? Have you read the PAD manual? If not you might want to give it a quick read. Unfortunately both of these treads were done before we could read the PAD manual. So you see SID being used in the mix (because we didn't know better). But Rauber's Enhanced 24hr flowering method uses no SID. Just thought I would put that out there..:thumbsup:

As far as using white led's as the PAL lighting in a PAD lighting setup.. I would think you could.. The results might be like using 630nm instead of 660nm. Yes 630nm will work for PAD lighting BUT 660nm hits the bulls eye. I've done the 24hr flowering using an HPS and a MH as my PAL lighting, I think the MH did a better job in my PAD setup.

Hopefully Sal will post a response.

P.S. There is also a couple of treads in the advanced section on this site. The treads are UV an experiment and HID time factor manipulation and another one I can't seem to remember at this time sorry, but if you look you will be able to find it.

[clongo]

I cannot access the PAD manual on myspace could someone please pm it to me