Method for cultivating crop plants having a shoot-root plant body, wherein during growing part of the stem preferably adjacent the roots is prepared such that new roots grow on said stem part, which new roots are brought into contact with a grow medium, such that during production of crop the stem length between the shoot furthest from the roots and the roots in contact with the grow medium closest to said shoot is maintained at a relatively short length, compared to a normal length of said plant at the same age.