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At home, I grew under the most common LED lamp. The shelf will have a T8 6400K cold light LED lamp, 120 centimeters long. This light will be enough for crops such as wheat, peas, sunflowers, radishes.

Nice, I'm thinking to change to LED lamps as well. less heat, less power.

I agree. But for other crops such as amoranth and basil, a warmer light, for example phyto light, is better.