How to grow lettuce commercially

cos lettuce red heads leaves commercial farming

According to botanists the current variety, Lactuca sativa, was developed from Lactuca scariola, which is a common weed in Europe, Abyssinia, East Asia and the USA. Lettuce is very important in a diet because of its high-quality content of Vitamin A and C. There are three basic commercial types: Curly leaf or cos lettuce Butter…