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. Light Rail Grow, Led Weed Grow Light , Cob Led Light Grow , Grow Light Fixture Dimmer ,Led Weed Grow Light . Water: Some plants are drought-tolerant, and some like sufficient water, which must be adjusted according to plant habits. The product will supply to all over the world, such as Europe, America, Australia,Jamaica, Islamabad,United Kingdom, Leicester.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.