The light that should be chosen to reduce overall light energy but still maximize plant growth of the plants present in a greenhouse is blue.
A greenhouse is a house-like structure made up of transparent wall and roofs. It is prepared to maintain specific climatic conditions and temperature inside to grow certain types of plants like their ideal habitat. The greenhouse can even stay warm during extreme winters. The transparent material is used to ensure presence of natural light.
The blue light has shorter wavelength. The wavelength ranges between 450 and 495 nanometers. This blue light can regulate the opening of stomata of plants. Hence, at blue light the photosynthesis occurs efficiently.
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