奶牛养殖基地
奶牛养殖基地-
农村高效、生态型奶牛养殖基地建设的实践与探索
Practice and Exploration of Constructing the Rural Effective and Ecological Dairy Base
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黑龙江省北部地区是重要的奶牛养殖基地，对青贮玉米的需求量逐年增大，但由于该地区纬度较高，年平均积温低，植物的适宜生长期短，限制了青贮玉米的生产。
Northern region of Heilongjiang Province where had great demand for silage corn , was the important base of cattle raising , However , high latitudes , low annual average accumulated temperature and short growing period seriously limited the production of silage corn .