黑龙江省讷河县种子公司大力应用推广东农303种薯,连年增产增收,取得了很大的经济效益和社会效益。东农303种薯增产潜力大,从1985年以来5年种植面积为2.72万亩,平均单产1936公斤,比当地一般品种亩产提高产量548公斤,增产39.48%,亩产增产最高年份1988年达620公斤,严重干旱的1989年仍然增产460公斤。由此可见东农303种薯无论是在丰年、平年或歉年均比一般中早熟品种增产,而且产量又较稳定。农户积极要求种植。东农303种薯占有广阔市场,社会效益显著。讷河生产的东农303种薯在全国享有盛誉,销往15个省、市、自治区,60多个县。五年共销售5.3万吨,可种植 Nehe County, Heilongjiang Province, seed companies vigorously promote the application of 303 kinds of potato Dongnong, perennial increase production and income, and achieved great economic and social benefits. Dongnong 303 kinds of potato yield potential, since 1985 five years planted area of ​​72,200 acres, the average yield of 1936 kilograms, than the local general varieties of mu yield increase of 548 kilograms, an increase of 39.48%, the highest yield per mu in 1988 up to 620 kilograms, severe drought in 1989 still increased 460 kilograms. This shows that 303 farmers in Dongnong no matter in the harvest year, average or average annual growth rate than the average early maturing varieties, and the output is more stable. Farmers actively demand planting. Dongnong 303 kinds of potato occupy a vast market, significant social benefits. The 303 Dongnong potato farms produced by Nehe enjoy a good reputation in the country and are sold to 15 provinces, municipalities and autonomous regions in more than 60 counties. Five years a total of 53,000 tons of sales, can be planted