Growing Elite Marijuana

Chapter 5 THE PLANT Years ago people grew seeds from their best stash, mostly sativas, originating in Colombia and Mexico. These ...

cultivation practices. The Marijuana Lifecycle Marijuana is an annual plant. Each spring the plants germinate and begin a period ...

most gardeners, Dutch seeds are their best choice. While the price of these commercial seeds may seem costly at first; getting t ...

Growers have been breeding and adapting marijuana to indoor growing since the late 60’s. Starting with equatorial and indica str ...

often hybridized with distinctive plants. EARLY PEARL - An indica-sativa hybrid developed at a midwestern university. It has a n ...

a hormone during the dark period (night in nature) which induces the start of the reproductive (flowering) cycle. When the hormo ...

the electricity is not turned into light but into heat. There are newer types which are a little more efficient, but the increas ...

natural looking light is desired. HIGH PRESSURE SODIUM or HPS lamps emit a pink or amber light. They are used to illuminate park ...

Watts # Of Lumens Emitted # Of Lumens Per 100 Watts Square Feet Illuminated 100W Incandescent 1,750 1,750 N/Applicable 4’ FL (CW ...

Twenty percent of the light emitted has been deducted from the total to correct for reflector inefficiency and light which never ...

configurations. Either the lamps are held vertically or horizontally. Horizontally held lamps direct most of the light downward ...

A small horizontal reflector actually delivers more light to the garden below than this large horizontal reflector. The small ve ...

reflector with individual baffles between the tubes so that light is directed downward to the garden. A good reflector may keep ...

Reflectors without baffles are very inefficient so light is lost. Baffles direct the light downward. New fluorescent configurati ...

These units easily provide over 2000 lumens per square foot. As tubes age they become less efficient. On the average, they lose ...

spectrum of light (TABLE 1) is used by the plant for photosynthesis, the process which results in the production of sugars. Plan ...

indication that either of these theories holds up. HPS lamps produce faster growth than a combination of HPS and MH lamps. There ...

Cost in cents per 1000 lumens of various lamps. (Expressed in cents per kilowatt) Cost Per Kilowatt Hour Of Electricity Lamp Out ...

The most efficient light source is a HPS lamp in a horizontal reflector. No other light source is needed. An HPS lamp supplies ...

hung from the ceiling using cord or wire attached to a hook or pulley. LIGHT MOVERS Outdoors, plants receive light from many dir ...