How supplemental and side lighting can increase cannabis yields

seedman

As cannabis plants typically receive most lighting from above, many growers may be familiar with the disappointment of an uneven, lop-sided yield come harvest time. Whereas in an outdoor setting, plants are bathed in adequate sunlight from the side during those long spells where the sun sets and rises, and treated to ample natural overhead light through the middle hours of the day; in indoor settings where artificial light is typically limited to overhead canopy lighting, plants will tend to offer larger, denser buds on the upper areas of the plant, and smaller budding further down where less light reaches. This makes for a top-heavy yield, bearing less fruit in the lower areas of each plant. Fortunately, this can be easily remedied with the addition of side or supplemental lighting, which when used correctly and set up effectively, can produce more bountiful results.[i] Types of Lighting There are three types of lighting growers can implement in order to enhance gains: 1) Side Lights – These are often positioned vertically around the perimeter of the plants, and can be added to increase secondary and tertiary (undergrowth) flower yield by increasing the light availability to the non-apical (lower) flowers. 2) Sub-canopy lights – These are lights positioned at the base of the plant to increase light availability to the lower parts of the plant (similar to side lights in terms of the goal they try to achieve) 3) Supplemental lights – these can be extra lights e.g. in a greenhouse to manipulate day length, but can also be included to simply add more photons to the growing area, again usually for the purposes of yield enhancement. In many cases, the type of additional lighting used will likely be dictated by availability of free space in the growing environment. Training your plants, and…

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