How does higher light intensity generally affect plant growth?

Higher light intensity generally enhances photosynthesis and growth in plants. Photosynthesis is the process through which plants convert light energy into chemical energy, producing the sugars required for growth and development. When light intensity increases, the rate of photosynthesis typically rises, assuming other factors such as carbon dioxide and nutrients are adequate. This increased photosynthetic activity can lead to greater biomass accumulation, healthier plants, and improved overall growth rates.

While there are instances where excessive light can harm plants—such as causing leaf burn or raising the risk of stress that might make them more susceptible to pests—under optimal conditions, higher light intensity is a key driver of enhanced growth and productivity in plants. This relationship is foundational in cultivation practices, where growers often aim to provide their plants with ample light to maximize their growth potential.