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These studies suggest that optimal light intensity for plant growth varies by species and conditions, generally ranging from 2,000 to 3,000 foot candles or specific LED light intensities like 389 mol m2 s1.
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Light intensity is a critical factor influencing plant growth, photosynthesis, and overall development. Different plant species and varieties have varying optimal light intensity requirements for optimal growth. This synthesis aims to summarize the findings from multiple research papers on the range of light intensity needed for plants to grow well.
Low Light Intensity (Below 100 µmol m⁻² s⁻¹)
Moderate Light Intensity (100-350 µmol m⁻² s⁻¹)
High Light Intensity (Above 350 µmol m⁻² s⁻¹)
The optimal light intensity for plant growth varies depending on the species and environmental conditions. Generally, moderate light intensities (100-350 µmol m⁻² s⁻¹) are suitable for many plants, promoting balanced growth and photosynthesis. High light intensities (above 350 µmol m⁻² s⁻¹) can further enhance growth and productivity, particularly in controlled environments like greenhouses. Low light intensities (below 100 µmol m⁻² s⁻¹) may suffice for some plants but often act as a stress factor, leading to suboptimal growth.
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