论文部分内容阅读
(一)用地养地这一对矛盾是伴随着农业生产而出现和发展的人们一开始在农业生产过程中,自觉或不自觉地通过农业措施调节着这一对矛盾,以便获得更多的产品,后来,随着生产力的提高和土壤肥料科学的发展加深了人们对它的认识,从而使用地养地技术由低水平向高水平发展。从生产水平和用地养地特点来分析,农业生产大体上经历了这么几个基本发展类型:最早是原始农业阶段,以采集野生植物和捕捉野生动
(1) The contradiction between the land-use and land-use is the emergence and development of people accompanying the agricultural production. In the beginning, during agricultural production, these contradictions were consciously or unconsciously adjusted through agricultural measures in order to obtain more products Later, with the improvement of productivity and the development of soil and fertilizer science, people’s understanding of it was deepened. As a result, land-use technologies for land use were developed from a low level to a high level. Analyzed from the level of production and the characteristics of land-use, the agricultural production generally goes through several basic types of development: the earliest is the primitive agriculture stage in order to collect wild plants and capture wild animals