随着我省畜牧业的发展,青贮玉米的需求越来越大,但青贮玉米品种短缺及其配套栽培措施落后的问题日益突出,从2002年来我地区先后引进并筛选出龙辐208、中原单32等青贮玉米新品种,在进行品种试验的同时,进行了密度试验,试验的成功为红兴隆分局畜牧业的发展奠定了基础,同时也为我局的农业结构调整开辟了广阔的空间。1 材料与方法 With the development of animal husbandry in our province, the demand for silage corn is getting bigger and bigger. However, the shortage of silage corn varieties and their backward cultivation measures are becoming more and more outstanding. From 2002, we have successively introduced and screened Longyou 208 and Zhongyuan Shan 32 and other silage corn varieties, carried out variety tests at the same time, conducted a density test, the success of the trial for the Hung Hing Lung Branch of animal husbandry development laid the foundation for the Bureau of Agricultural restructuring also opened up a broad space. 1 materials and methods