Controlled experiments demonstrate that light intensity and wavelengths influence growth and biomass in plants, suggesting optimization for agriculture.
The effect of light on the growth of green plants is a fundamental aspect of plant physiology with critical implications for agriculture, horticulture, and ecosystem dynamics. This study investigates how varying light intensities and wavelengths influence the growth rate, biomass accumulation, and chlorophyll content of green plants. Controlled experiments were conducted using several plant species exposed to different light conditions, including full-spectrum sunlight, red, blue, and low-intensity artificial lighting. The results indicate that blue and red light significantly enhance photosynthesis and biomass production compared to low-intensity or non-optimal light spectra. Moreover, light intensity was found to be directly proportional to growth rate up to a saturation point, beyond which growth plateaued or declined due to photo inhibition. These findings underscore the importance of optimizing light conditions in both natural and artificial growing environments to maximize plant productivity. The study contributes to a deeper understanding of plant responses to light, offering valuable insights for improving crop yields and developing efficient indoor farming systems.
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Nitika (2025) studied this question.
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