Widespread irrigation methods: Dribbling: water is leaking in perforated pipes, it can be used in beds and on tables. Drip tube: various elements (drip tapes, hard tubes inserted into a dropping bottle) of water are delivered to the roots of the plants. Mat watering: the potted plants are placed in a so-called water vehicule duvet, which is be flooded with water. Ebb and flood system: the table of the greenhouse is flooded by water or a nutrient solution at the height of 1-2 cm. Sprinkler irrigation system: the fineness of the the spray heads varies depending on the spray head, micro sprinkers are often used. It contributes to the inrease in the humidity of the environment. Boom watering: special equipment, a hosepipe with a fine spray nozzle which is moving over the plant beds or tables, it forms a right angle to them and moves back and forth.