灵武县东塔乡、东塔村科技专业户王立德,连续两年种植秋优57杂交水稻,产量均居全区之冠。1983年种杂交水稻4.77亩,平均亩产1685斤,比我县京引39号最高亩产1320斤净增365斤,增产27%,其中1.11亩,平均亩产1789.6斤。1984年种杂交稻6.3亩,平均亩产1593.9斤,比我县验收的高产京引39号亩产1213.8斤净增380.1斤,增产31.3%;其中 Lingtao East Tower Township, East Tower Village Science and technology professionals Wang Lide, for two consecutive years planting Qiuyou 57 hybrid rice, the highest output in the region. 1983 kinds of hybrid rice 4.77 acres, an average of 1685 pounds per mu, than my county Beijing cited the highest 39 acres of 1320 kg net increase of 365 pounds, an increase of 27%, of which 1.11 acres, an average of 1789.6 kg per mu. 1984 hybrid rice 6.3 acres, an average of 1593.9 kg per mu, compared with the county acceptance of high yield Jingyin 39 per mu 1213.8 pounds net increase of 380.1 pounds, an increase of 31.3%; of which