This study investigates how light intensity affects the development of green bean sprouts (Vigna radiata). The method used is to review various related scientific writings. The results show that light levels greatly influence how green beans grow. If there is insufficient light, green bean leaves tend to be pale, while if there is enough light, the leaves are fresh green because more chlorophyll is formed. Growth in the dark is faster, but the plants become weak and easily die. In contrast, plants exposed to sunlight can survive because light is important for photosynthesis, evaporation, and respiration. Photosynthesis is an important process that converts light energy into chemical energy for plant growth. This process is influenced by internal factors such as the amount of chlorophyll, and external factors such as light intensity, temperature, and CO₂ levels. By understanding these factors, plant growth can be improved. Green beans have a unique ability to take nitrogen from the air with the help of Rhizobium bacteria, making it easier to obtain nutrients. This study confirms that light is a major factor affecting the growth of green beans.
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