How To Choose Plant Grow Lights for Cannabis Grower?

Cannabis, as an annual herb, in addition to a particularly important attribute known to people, it also has more uses. For example, it is the raw material of fiber products, clothing, ropes, sails, grease, paper and medical supplies. It also has a lot of medicinal value. Therefore, in addition to the large-scale cultivation of cannabis for the development of the textile industry, there are also greenhouse cannabis to explore the use of  cannabis  in other ways.

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Cannabis  is a light loving and short sunshine crop, and late maturing varieties are more sensitive to light. Therefore, special attention should be paid to the light conditions when planting cannabis in the greenhouse. Insufficient light had an effect on plant growth and the content of various substances. The growth of cannabis must have strong light, so when planting in the greenhouse, pay attention to the light transmittance, light intensity and light time in the greenhouse.

In the greenhouse, you can choose a full spectrum plant lamp to fill the light for cannabis, but pay attention to the power of the plant lamp when selecting the fill light lamp. The light intensity of the high-power plant lamp is large, which can meet the lighting requirements for cannabis growth. If the temperature in the greenhouse is high, the water vapor is large, and the shed needs to be watered, the selected plant lamp should also pay attention to the waterproof function. The power of the plant lamp will increase the calorific value, so it is best to have heat dissipation facilities for the plant lamp, which can prolong the service life of the plant lamp.

Is it better to keep the fill light on all the time or to turn it on / off by day / night?

Photoperiod is very important for plant growth. It refers to the demand of different crops for light time. Adjusting photoperiod by light supplement will affect the process of plant vegetative growth and reproductive growth. Generally, the light on time of crops is 12-18h a day, which can speed up the growth of crops. Crops should be given a continuous rest time at night.

Led plant fill light can be considered when selecting fill light. Led plant light has been developed and studied for a long time, and there are clear data that can show that it can have good fill light effect on vegetables, fruits, flowers and hemp plants, and can be used in greenhouses, laboratories and plant factories. Therefore, when choosing fill light for cannabis, you can choose high-power LED plant light, which can play a good fill light effect. GTL Lighting has designed big power full spectrum plant grow light for cannabis-650W/720W/800W.

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