杂交水稻具有较强的再生能力,蓄好“秧荪”,可以多收一季稻谷。1976年沔阳县剅河公社第二农科站种南优2号1.05亩,亩产头季稻1,230斤,再生稻416.2斤,两季共计1,646.2斤。种一次,收两季,亩产粮食超“双纲”。其它如沔阳县农科所南优2号再生稻亩产达到574斤;我所用“玻璃占矮 Hybrid rice has a strong ability to regenerate, save “seedling sun”, you can overcharge a quarter of rice. In 1976, the second agricultural station of Yonghe County Bahe commune, No. 2, was 1.05 mu, with a yield of 1,230 kg of first-season paddy crop and 416.2 kg of ratooning rice, with a total of 1,646.2 kg in two seasons. Seed once, receive two seasons, per-grain food super “double program.” Others such as Leiyang County Nanyou No. 2 regenerative rice mu produce reached 574 pounds; I used "glass accounted for short