“京引15”是个中熟糯稻品种,于1969年引入我县。经过几年来的多点试种,表现早熟、高产、适应性广和抗病力强等特性,一般亩产500～600斤,比原有的糯稻品种增产1～2成。如我县良种场三年大面积种植,亩产524.6～535斤,其中最高的亩产达到720斤;城郊公社山河大队1972年种植31亩,平均亩产525斤,最高亩产718斤;海拔500公尺的双峰公社榧坑大队种 “Beijing cited 15” is a maturing glutinous rice varieties, introduced in 1969 in our county. After several years of trial planting, the performance of early maturity, high yield, wide adaptability and disease resistance and other characteristics, the general yield 500 ~ 600 pounds, than the original glutinous rice yield 1 to 2 percent. For example, in our county, three years of planting a large area, 524.6 ~ 535 kg per mu, of which the highest yield reached 720 kg; Suburban commune Shanhe brigade planted 31 acres in 1972, the average yield of 525 catties, the highest yield of 718 pounds; 500 meters Shuangfeng commune 榧 pit brigade species