我国主要农产品供求已由全面短缺转变为基本平衡或结构性短缺与结构性过剩并存，我国农业和农村经济进入了一个新的历史阶段。中央农村工作会议则明确提出我国农业发展新阶段的中心任务是大力推进农业和农村经济结构战略性调整，全面提高农业和农村经济的素质和效益，增加农民 The supply and demand of China’s major agricultural products have shifted from an overall shortage to a basic balance or a combination of structural deficits and structural excess. Our country’s agriculture and rural economy have entered a new historical stage. The Central Rural Work Conference made it clear that the central task of the new phase of agricultural development in our country is to vigorously promote the strategic readjustment of the structure of agriculture and the rural economy, improve the overall quality and efficiency of agriculture and rural economy, and increase the number of peasants