(3)Rational use of resources All land resources are put to good use and monoculture is avoided.The recycling of wastes are realized through food chains of the eco-agricultural system.Wastes from one component of the system is used as an input to another component.(3) Rational use of resources • All land resources are put to good use and monoculture is avoided. The recycling of wastes are realized through food chains of the eco-agricultural system. Wastes from one component of the system is used as an input to another component