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纵横绵延在北洛河、延河、无定河三水流域的陕北黄土高原,为今陕西省延安、榆林两专区的统辖地。在漫长的历史时期,陕北农牧业的相互渗透和彼此消长,较它地都要剧烈、持久,构成一种为自然和社会因素所制约的农牧交错的现象。某种意义上说,陕北农业(广义的)史就是农业和畜牧业两大部门消长变化的历史。揭示这一发展过程,对当前正在讨论中的黄土高原治理问题也许不无裨益。
Vertical stretches in North Luohe, Yanhe, Wudinghe Sanshui drainage area of the Loess Plateau of Shaanxi, Yan’an in Shaanxi Province today, Yulin two prefectures of jurisdiction. During the long historical period, the mutual infiltration and aggravation of agriculture and animal husbandry in northern Shaanxi have become more intense and lasting than those in other parts of the country, forming a phenomenon of stagnation of agriculture and animal husbandry that is restricted by natural and social factors. In a sense, the history of agriculture (broad sense) in northern Shaanxi is the history of the growth and decline of the two departments of agriculture and animal husbandry. Revealing this process of development may not be without problems for the governance of the Loess Plateau currently under discussion.