河北省平山县地处太行山区,山多地少、热量不足、生长期短、干旱少雨历史上从未种过水稻。为增加细粮,改变山区人民生活,我县于1980年从中国农科院和辽宁农科院稻作所引进杂交粳稻,实行麦稻两收,节水种植,取得成功,面积逐年扩大。1980年试种3分地,亩产985.5斤,加前茬小麦,两茬亩产细粮1,585.5斤;1981年扩大试种5.5亩麦茬稻,亩产1,103斤;1982年全县扩大示范1,400亩,平均亩产825斤,小麦亩产500斤,合计亩产1,325斤;1983年杂交稻猛 Pingshan County, Hebei Province is located in the Taihang Mountains, mountainous and less, lack of heat, short growth period, arid history of rain never planted rice. In order to increase fine grain and change people’s life in mountainous areas, our county introduced hybrid japonica rice from the Chinese Academy of Agricultural Sciences and the Liaoning Academy of Agricultural Science in 1980 and implemented two crops of wheat and rice to save water. The area was expanded year by year. In 1980, the trial planting 3 points, 985.5 kg per mu, plus the first crop of wheat, two crops per mu 1,585.5 pounds of fine grain; in 1981 to expand trial planting 5.5 acres of wheat stubble rice, 1,103 pounds per mu; 1982 county to expand demonstration 1,400 acres, The average yield of 825 kg, 500 kg of wheat per mu, a total of 1,325 pounds per mu; hybrid rice fierce in 1983