Study on the rational structure of agro-ecological system in Suide Experimental Base

According to the principle of harmonious development of integrated farming system,based on material and energy flow and economic value flow in the agriculture system of Suide Experimental Base,considering factors of land area,labor,livestockpower,social demand and fodder amount in the investigation area, an optimization structure was made by linear programme.The total net profit of farming and animal-husbandry is increased 145% more than that of conventional one,and the system's comprehensive profit index is increased by 49.72%.