280~315nm–– This wavelength is already ultraviolet light, which has the function of direct suppressive growth for the growth of various animals, plants and even fungi, and has little impact on morphology and physiological processes. T8 Led Grow Light Tubes For Vertical Farming, Grow Light Ip65 Adjustable , 2700K Grow Light , Led Grow Light Waterproof ,Rohs Led Grow Light 300W . Observe which plants are completely in the sun? Which ones are in the shade? When do the plants next to the wall get the sun? From this, you can further find out the growth of the same plant in different places, so that you will have a better understanding of the growing conditions required by the plant. The product will supply to all over the world, such as Europe, America, Australia,Montpellier, Lithuania,Miami, Anguilla.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.