Hemp is widely used in many fields, including medical use, food and health care, textile and skin care products. In recent years, the area of marijuana cultivation has also been expanding. It is extremely friendly to the growing environment, resistant to drought and impoverishment, and can even improve the soil heavy metal composition. 

Cannabis is a sun-loving short-day plant, which has extremely high requirements for light. If the light intensity is not up to the requirements, its growth will be affected.  Especially in the greenhouse or in the basement, affected by building materials, the light is weakened or even completely dark, which has a great impact on the growth and flower bud differentiation of marijuana. Therefore, it is necessary to timely fill the light for marijuana.

Because cannabis has higher requirements for light intensity, it is necessary to pay attention to the power of light supplement lamp when selecting light supplement lamp. It is best to choose high-power LED grow lighting supplement lamp, which can not only ensure light intensity but also save energy.  By adjusting the light environment and changing the light intensity, the growth cycle of cannabis was effectively shortened.  In addition, it has the advantages of low cost, simple operation, high success rate and high application value and economic benefit.