Lettuce grown in indoor farms under fully artificial light is susceptible to a physiological disorder known as tip-burn
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Tip-burn is a major problem for most vegetable cultivation under a controlled environment especially the completely closed environment of an indoor farm equipped with artificial ligh
The primary cause of tip-burn stress which occurs on plants cultivated in completely closed environments, such as indoor farms, is calcium deficiency
he deficiency is not because of a lack of calcium in the supply nutrients but rather is caused by the inability of calcium to enter the rapidly developing younger leaves.