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中文摘要：
根据东北地区各省市的农作物统计数据以及152家国家级农业产业化重点龙头企业的地理位置、主营业务等资料，利用区位商、集中系数、生态分布格局理论等方法，分析了东北地区主要农作物的集聚格局以及龙头企业的空间和行业布局特征。结果表明：优势农作物在东北各地市并不是均衡种植的，呈现出不同的集聚态势，农业生产的专业化、区域化趋势明显。农业龙头企业并没有集中分布在优势农作物生产较为集中的县市，龙头企业在各地市内的分布集聚程度不一，在省会城市特别是中心城市的市区集聚较多。龙头企业行业集聚主要受区域农业资源类型、分布、以及市场需求和政策的影响。
英文摘要：
As one of the most important grain bases of China, Northeast China has many important agriculture industry, which developed quickly in recent years. Based on the statistical data of 36 cities in Northeast China and the geographical locations, dominant business of 152 state-level leading enterprises in agricultural industrialization, this paper analyzes the spatial concentration of Northeast China＇s planting and spatial distribution of agricultural enterprises by adopting location quotient, concentration factor and ecological distribution pattern theory. Results showed that： dominate crops grown in different areas, showing a different concentrate trend. The characteristic of agricultural regionalizing and specialization is clearly. Aggregative status of leading enterprises in different cities is not equal. Generally, leading enterprises mainly concentrated in provincial capitals or city center. Enterprises＇ industry aggregation degree indicate that the concentration character of agricultural industry is mainly depend on raw materials, market demanding and government policy.
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