A system for the cultivation of plants, including: a cultivation table, in which the plants to be cultivated have been placed at least for the time of the growing stage； growing substrates in which the seeds of the plant are sown and which are placed at the initial end of the cultivation table for germination； and elongated troughs which hold the growing substrates in which troughs also the seeds and seedlings of the plant as well as the grown plants are placed during both said germination and said growing stage. In the method for cultivation of plants in a greenhouse, a growing substrate for the cultivation of plants is placed in an elongated trough, and seeds of a plant are sown in said growing substrate placed in the trough.
