重粒三八是我国某农业研究所采用多亲复合体形杂交培育的一个重粒型大穗大粒高产水稻新品种。经多处布点示范试种,亩产一般700—750公斤,最高达870公斤,在长江以南各省区可作中稻和双晚,长江以北黄河以南部分省区可作单季稻。(据报道,作双晚亩产可达600公斤左右。)该稻株高100—110厘米,茎杆粗壮.根系发 Heavy grain Sanba is a heavy grain-type large-spike big-grain and high-yielding new rice breed cultivated by a multi-parent complex in a certain agricultural institute of our country. After several demonstration sites, the output per mu is generally 700-750 kilograms and the highest is 870 kilograms. It can be used for medium and double nights in all provinces and autonomous regions south of the Yangtze River and some provinces south of the Yellow River to the north of the Yellow River. (It is reported that double-night per mu up to about 600 kg.) The rice plant height of 100-110 cm stalks thick roots hair