一、人口压力、气候地缘与马铃薯作物的地位　　在世界人口持续增长和人民生活水准不断提高的双重压力下，全球农业资源，包括耕地资源和水资源等的利用，正在日趋饱和。各国都试图在农业生产整体效益最优的目标下，对本国的地理环境、资源条件、经济发展阶段、科技水平、人口 Population pressure, climate geography and the status of potato crops Under the dual pressures of the world population continued to grow and the living standards of the people continue to rise, the global agricultural resources, including the utilization of cultivated land resources and water resources, are becoming increasingly saturated. All countries are trying their best to achieve the overall benefit of agricultural production, and their own geographical environment, resource conditions, economic development stage, science and technology, population