陕北属干旱半干旱地区。原是林木茂密、水草肥美、良田千顷、牛羊遍野的肥原沃土。后来,由于长期战争掠夺和剥削压迫的社会制度,造成了森林草原的毁灭性破坏,生态失调,干旱日趋严重,致使农业生产走向单一道路,广大人民陷入“越穷越垦,越垦越穷”的恶性循环之中。 Northern Shaanxi is arid and semi-arid areas. The original forest is dense, fertile plants, fertile farmland, cattle and sheep all over fertile fertile soil. Later, as a result of the social system of long-term war predation and the exploitation of oppression, devastating destruction of forests and grasslands, ecological imbalances and increasing drought have led to a single road to agricultural production and the vast majority of the people are trapped in " Among the vicious circle.