中国农业长期以来以相对紧缺的资源承担着巨大人口压力。全国人均耕地是世界平均的1/3;水资源更加紧缺,人均占有量为世界平均的1/4,人均矿产资源及能源也远低于世界平均水平。资源基础的先天不足以及人口的 China’s agriculture has for a long time assumed a huge population pressure with relatively scarce resources. The per capita arable land in the country is 1/3 of the world average. Water resources are in a more scarce situation with a per capita share of 1/4 of the world average. Mineral resources and energy per capita are far below the world average. Inherent deficiencies in resource base and population