文献类型: 中文期刊
期刊名称: 四川农业科技
ISSN: 1004-1028
年卷期: 1998 年 05 期
页码:
摘要: 一、四川是中国的一个农业大省四川素有“天府之国”的美称,幅员面积485万平方公里,为中国的第五大省区。省辖21个市地州、181个县市区。1997年末总人口8430万,位居全国第三位;其中农业人口6941万,占全省总人口的82%。全省耕地454万公顷...
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