论文部分内容阅读
为了加速恢复和发展杂交水稻生产,提高水稻产量,1984年我县引进威优64杂交组合,晚季种植3.9亩,平均亩产473公斤,比“22晚”等常规稻增产27％以上,1985年扩大到21个乡镇农场,晚季示范7623亩,普遍获得增产,平均亩产405公斤,比常规稻增产19.3％.1986年推广种植30471亩,在大灾之年,亩产仍达356公斤,比常规稻增产42.7％。1987年全县推广晚种10万亩,占晚稻总面积的50％,占晚杂组合的83％,各地都取得显著增产。
In order to speed up the recovery and development of hybrid rice production and increase the rice yield, in 1984, the county introduced the combination of Weiyou 64 with an average yield of 473 kg per mu in the late season and an increase of more than 27% over conventional rice such as “22 Nights”. The year expanded to 21 township farms, 7623 acres of demonstration in the late season, generally increased production, the average per mu yield of 405 kg, 19.3% increase over conventional rice.In 1986 to promote the planting of 30,471 acres, in the catastrophe year, still up to 356 kilograms per mu , 42.7% more than conventional rice production. In 1987, the county promoted 10 million mu of late seedlings, accounting for 50% of the total area of late rice and accounting for 83% of late hybrids. Significant increases have been made in all parts of the country.