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Cultivation of cannabis is the production of cannabis infructescences ("buds" or "leaves"). Cultivation techniques for other purposes (such as hemp production) differ.. In the United States, all cannabis products in a regulated market must be grown in the state where they are sold because federal law continues to ban interstate cannabis sales.
"No" sticker [clarification needed] —600 watts (MH/HPS)—Lamps for commercial or industrial lighting are so rare that there isn’t any NEMA sticker. Most 600 watt HPS lamps are used for growing. Most 600 watt HPS lamps are used for growing.
A 600W HPS produces 7% more light (watt-for-watt) than a 1000W HPS. [22] A 600W High Pressure Sodium bulb. An HPS bulb produces 60-140 lumens/watt, depending on the wattage of the bulb. [28] HPS grow lights suspended over the grass pitch at Tottenham Hotspur Stadium to encourage grass growth [29]
This is a list of cannabis seed companies. Some of these supply only hempseed, that is, cultivars that produce low levels of THC (allowable levels are determined by local regulation). BSF Seeds [1] SEEDS-SHOP.com - Finest Cannabis Seeds Shop
As a result, metal-halide lamps have high luminous efficacy of around 75–100 lumens per watt, [2] which is about twice that of mercury vapor lights and 3 to 5 times that of incandescent lights [1] and produce an intense white light. Lamp life is 6,000 to 15,000 hours.
Ordinary household white incandescent bulbs can also be used as heat lamps, but red and blue bulbs are sold for use in brood lamps and reptile lamps. 250 watt heat lamps are commonly packaged in the "R40" (5" reflector lamp) form factor with an intermediate screw base.
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