论文部分内容阅读
宁夏固原县东部黄土丘陵区,在综合考察中制定出以牧为主、综合发展的生产建设方向,并提出在综合发展中应将农林牧合理结构作为系统深入研究的问题之一。1982年作了选点、调查,开展了部分工作。随后经中国科学院和宁夏自治区批准,分别列为攻关和重点研究课题。在我国干旱、半干旱又严重水土流失的黄土丘陵区,开展多学科的农业综合研究所面临的自然与社会经济条件,比国外许多地方作同类工作要复杂得多。就我们所知,美、苏、澳分别在西部大平原、西伯利亚、南澳的治理虽见成效,但他们是在开发期短(几十年至二百年左右)、地
Ningxia Guyuan County in the eastern loess hilly region, in the comprehensive study to develop a mainly animal husbandry, comprehensive development of production and construction direction, and put forward in the comprehensive development should be the rational structure of agriculture, forestry, animal husbandry and animal husbandry as one of the issues in-depth study of the system. Selected points in 1982, investigation, carried out some of the work. Subsequently approved by the Chinese Academy of Sciences and Ningxia Autonomous Region, respectively, as research and key research topics. In the loess hilly region of arid, semi-arid and serious soil erosion in our country, the natural and socio-economic conditions that multidisciplinary agricultural comprehensive research faces are much more complicated than similar work in many places abroad. To the best of our knowledge, although the United States, the Soviet Union and the Oman have achieved remarkable results in the governance of the Western Great Plains, Siberia and South Australia, they have been developing for a short period of time (from a few decades to two hundred years)