【摘要】 首先对杂交水稻种植和制种农户实地调研数据的整理和分析;在此基础上,对杂交水稻种植和制种成本结构进行了分析,对2005年农户的制种和种植成本仅进行了比较,并对制种成本近两年的变化趋势以及变化的原因进行了分析;同时,对8个杂交水稻主要制种省的制种成本进行了比较。更多还原

【Abstract】 Firstly, survey data of Hybrid rice planting and seed production peasants is analyzed; On this basis , the structure of hybrid rice planting is analyzed, and the cost of planting is compared with the cost of seed production in 2005; Then, tendency and reason of the cost change are analyzed; Meanwhile , seed production cost of eight main seed production provinces is compared.更多还原