Current situation and optimize tactics of population-arable land-grain system in oasis irrigation area --Taking Ganzhou district of Zhangye as an example
2005
Chai Qiang, Huang Gaobao
Chinese. 运用灰色预测的方法对甘州区人地粮复合系统进行了综合研究。结果表明,2000～2010年甘州区人口增长率仍将维持在8.93‰的水平,2005和2010年全区人口分别为50.83×104人和52.14×104人,按人均消费粮食400kg计,保证粮食安全所需耕地分别为1.98×104hm2和2.07×104hm2,约占现有耕地面积的43.3%和43.5%;甘州区人均耕地呈明显下降态势。控制人口、建设生态和发展节水农业、提高农业科技含量是促进该区人地粮系统协调发展的基本策略。
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