辽宁省葫芦岛市是玉米主产区之一，历年玉米的播种面积占粮豆播种面积的５０％左右。随着人民生活水平的不断提高和畜牧业的迅速发展，玉米已不单单是人们的口粮，主要用作草食畜禽的饲料粮，秸秆除用作烧柴外，相当部分用作食草畜禽的饲料。目前推广的玉米品种绝大部分都... Huludao City, Liaoning Province, is one of the main producing areas of corn. The sown area of ​​corn in past years accounts for about 50% of the sown area of ​​grain beans. With the continuous improvement of people’s living standards and the rapid development of animal husbandry, corn is not only the people’s rations, mainly used as feed grain for grazing livestock and poultry, except for the use of straw for burning wood, a considerable part of which is used as herbivorous livestock and poultry Feed The vast majority of the current promotion of corn varieties are ...