315~400nm–– This kind of light wave is also a far-ultraviolet light, although there is no ultraviolet rays to harm plants, in order to have no direct effect on plant growth, chlorophyll absorption is small, affecting the photoperiod effect, preventing stem elongation. Spyder Led Grow Light, Led Grow Light Indoor Plants , Grow Light Samsung , Led Grow Light Replace ,100W Led Grow Light Bulb . Before understanding how to cultivate plants, we must first know the most necessary conditions for plant growth. Of course, sunshine, air, and water are indispensable, but how much sunlight and how much moisture you need, this requires your attention. The product will supply to all over the world, such as Europe, America, Australia,Peru, Auckland,Sri Lanka, Bahrain.In fact, organic cultivation is not completely without fertilizer, but what can be used is organic fertilizer: farm fertilizer, mineral fertilizer, biological bacteria fertilizer, etc. after high-temperature fermentation and harmless treatment. Based on the limitations of this fertilization, the growth cycle of plants must be affected, and the current market demand is in short supply, so shortening the production cycle is one of the methods.