为了掌握２００２年全国杂交玉米、杂交水稻（以下简称“两杂”）种子生产情况，做好２００３年“两杂”种子供应和指导工作，最近，全国农业技术推广服务中心组织各省种子管理部门，根据２００２年全国“两杂”种子的生产和库存情况，分析了２００３年“两杂”种子的供需形势? In order to grasp the seed production of the national hybrid maize and hybrid rice (hereinafter referred to as the “two hybrids”) in 2002 and to provide a good job in the supply and guidance of “two hybrids” in 2003, the national agricultural extension service center recently organized seed management departments of various provinces, According to the production and inventory of the “two hybrids” seeds in 2002 in China, the supply and demand situation of the “two hybrids” seeds in 2003 was analyzed.