建国以来,我省的农作物良种繁育和推广工作发展较快。1982年全省小麦、谷子、玉米、高粱、莜麦、大豆、马铃薯、棉花、胡麻等9种作物的播种面积为4,636.15万亩,其中良种面积占83.6％。这些良种一般增产10％左右。一、我省主要农作物良种发展情况 (一)小麦小麦种植面积居全省粮食作物之首。1949年为1,649.5万亩, Since the founding of the People’s Republic of China, crop breeding and popularization work in our province has been developing rapidly. In 1982, the planting area of ​​9 kinds of crops such as wheat, millet, corn, sorghum, oats, soybean, potato, cotton and flax reached 4,636.15 million mu, of which 83.6% These seeds generally increase about 10%. First, the development of major crops in our province (A) wheat Wheat planting area ranks first in the province’s food crops. In 1949, 16.495 million mu,