“两优培九”是常山县近年引进的新品种 ,表现产量高 ,米质优 ,抗性好 ,深受群众欢迎。 2 0 0 1年全县推广面积达 3万多亩。该品种是两系超级杂交稻 ,据报道其施肥技术水平比一般杂交稻高。为正确掌握“两优培九”的需肥规律 ,夺得优质高产稳产 ,特进行本试验。1材料与方法试验 “Liangyou Peijiu” is a new variety introduced in Changshan County in recent years, which shows high yield, good quality rice and good resistance, which are well received by the public. In 2001, the county popularized an area of ​​30000 acres. The breed is a two-line super hybrid rice, which is reported to be more fertile than conventional hybrid rice. In order to correctly grasp the law of fertilizer requirement of “Liangyoupeijiu” and win the high-quality, high-yield and stable yield, this experiment was carried out specially. 1 Materials and methods test