If you are growing on soil, choose light mixes and avoid extra fertilization in the first week or two. Nutrition: Seedlings need none to a low dosage of nutrients or they may experience nutrient burn.Light/Photoperiod: Start with 18 hours of light and 6 hours of uninterrupted darkness.When growing outdoors, just try to place your plants where the sunlight reaches them and keep an eye on them so the soil never gets to dry up. Keep high-intensity led lights 3-4 feet (0.90-1.20 cms) away from the seedlings or dim if possible. Start with a distance of about 8 inches (20 cm) if you are growing with low-intensity lights. Adequate light distance: the distance between the plant and the grow lights depends on their intensity and temperature.Light with a high percentage of blue spectrum light is good for this stage, as it promotes vegetative growth without excessive stem elongation Dimmed Led lights or fluorescent low-wattage lights are better for this stage. Low light intensity: Young plants can’t process high-intensity light yet.Burnt leaf tips may be a sign of low humidity levels. Relative humidity: A very dry environment may cause your seedling to dry up easily.During the dark period when the lights are off, a temperature around 65☏ – 18☌ can help reduce stem elongation and reduce internode spacing
The best temperature for seedlings is 77☏ – 25☌. Warm temperature: Seedlings are very sensitive to temperature, they thrive with temperatures around 72 – 79° F (22 – 26º C).Environmental conditions for Cannabis seedlings’ growth
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