甘肃农业大学农耕特色库

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中国古代土壤改良技术研究: 作者： 陈凡学 来源： 南京农业大学 年份： 2009 文献类型： 学位论文 关键词： 中国古代农业技术土壤改良; 描述： eat attention to adopting various techniques to improve soil quality when plowing the soil, so that the soil could keep sustainable fertility and high rate of yield.; 全文：种稻洗盐、淤灌压碱、深翻窝盐与压砂抗碱、生物治盐等。冷浸田则是通过深耕冻垡、熏田暖土、烤田、施石灰、草木灰、骨灰等措施来实现。中低产田改良,一方面扩大了土壤耕种面积,另一方面提高了单位面积粮食产量。在

辛店文化墓葬初探: 作者： 刘晓天 来源： 中央民族大学 年份： 2009 文献类型： 学位论文 关键词： 墓葬分期辛店文化; 描述： basin in Gansu Province and Huangshui basin in Qinghai Province. There have been found more than six hundreds tombs matching this kind of culture in these years, however, the related or comprehensive research are not many due to the limited sources. For this reason, I will indicate its developed sequences and cultural characteristics } which are based on materials from Xiaohandi tomb, Shanjiatou tomb as well as Lian huatai tomb. Research methods include phased analysis of the帅ological pottery and Comparative study on related tombs.; 全文：的墓葬形制以长方形竖穴土坑墓为主,还有一些横穴洞室墓。葬式以仰身直肢葬为主,其次为二次葬与屈肢葬。随葬陶容器的数量不太多,常见的有双耳陶罐、彩陶壶与双大耳彩陶罐等。辛店文化的经济形态应是以农业为主

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