甘肃农业大学农耕特色库

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明清时期西北地区农业灾害研究: 作者： 彭莉 来源： 西北农林科技大学 年份： 2009 文献类型： 学位论文 关键词： 明清时期西北地区自然灾害农业农村农民; 描述： cultivation development process to be especialty difficult, frequent occurrence of multiple disasters, the development of the Northwest Territories are important constraints, the reduction of agricultural land, agriculture, the substantial loss of population, agriculture, infrastructure damage, agricultural ecological environment and the poor. Based on this, the north-west areas of the process of agricultural drought introduced varieties, select a variety of agricultural disaster mitigation technology. In this paper, the Northwest Territories to explore the Ming and Qing Dynasties of natural disasters on agricultural production hazards, damage the rural economy and livelihood of the affected farmers. By the six parts.; 全文：化趋势。第四章,明清时期西北地区自然灾害对传统农村经济的影响。在农业生产过程中,面对西北地区最为严重的灾害,人们选择以扩大种植面积减少灾害的打击,使得西北地区环境恶化,植被破坏。面对旱灾、涝灾、虫灾

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