关键词: 杂交水稻, 杂交水稻, Ⅱ优3003, 高产, 应用

Abstract: The development of ’One village, One production’ is basic project of developing urban agriculture and building new countryside in Beijing. The project has greatly improved at present. More and more specialized villages of different types have appeared, those villages have considerably scope, specialized production, and distinct characteristic. New structure of urban agriculture has formed. But economic strength of specialized villages of agricultural products is weaker comparatively. And market system need be improved. So effective measure should be implemented.