甘肃农业大学农耕特色库

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清代甘肃黄土高原的土地利用: 作者： 刘维 来源： 陕西师范大学 年份： 2009 文献类型： 学位论文 关键词： 清代农业技术土地制度甘肃黄土高原土地资源; 描述： ainly chooses three aspects, the quantity and quality of farmland, the land system and agricultural technology, to analysis the fact that the land system, the land utilization patterns and the selection of agricultural technology are constrained by natural environment and land resources, accordingly reveal the main-land relationship which is influenced by natural environment. The thesis is composed of four parts.; 全文：的提高,于是引灌渠道得以兴修,水车也进一步得到了推广,这大大改善了本区的农田灌溉条件,提高了土地利用率,也使得水浇地的面积得以扩大。

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