crop rotation(redirected from Four-field system)
Also found in: Medical, Encyclopedia.
The successive planting of different crops on the same land to maintain soil fertility and help control insects and diseases.
(Agriculture) the system of growing a sequence of different crops on the same ground so as to maintain or increase its fertility
the system of varying successive crops in a definite order on the same ground, esp. to avoid depleting the soil and to control weeds, diseases, and pests.
A growing method which helps prevent the buildup of soilborne pests and diseases. The vegetable plot is divided into three or four areas each of which is used to grow a specific family of related crops (e.g. the cabbage family). These areas are rotated annually.