一、日本是农产品进口大国 　　日本农产品进口量占世界进口量的 10％左右。目前，除大米产量过剩以外，大部分农产品自给不足或不能自给，依赖进口。从 70年代起，日本农产品自给率有降低趋势。到 1996年，按供给热量算得自给率仅为 42％，按粮食供给 (包括食用和饲料用的谷物 First, Japan is a major importer of agricultural products Japan’s agricultural imports account for about 10% of the world’s imports. At present, most agricultural products are self-sufficient or unable to supply their own, except for the excess output of rice. Since the 1970s, the self-sufficiency rate of Japanese agricultural products has been declining. By 1996, the self-sufficiency rate, calculated as supplied heat, was only 42%. According to the grain supply (including grains for food and feed