|
|
|
|||||||
| How to Grow Marijuana Guide to Cannabis Cultivation |
 |
|
|
LinkBack | Thread Tools | Display Modes |
12-05-2007, 12:47 PM
|
#1 |
|
Free Thinker
.jpg){kind=avatar}
Join Date: Jan 2004
Location: Aguilia Mexico
Posts: 3,502
 |
PAR for Plants, Lumen for People
While the lumens measurement is based on the sensitivity of the human eye to light, PAR Watts objectively measure the total watts of Photosynthetically Active Radiation (PAR) emitted by the lamp. It accounts for the nutritional value and is a direct measure of light energy available for all-important plant photosynthesis.
Author: Mr.Zog |
|
|
|
| Thread Tools | |
| Display Modes | |
|
|
Linear Mode
