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晋西黄土丘陵区北起右玉,南至乡宁,共28县,耕地面积2,575万多亩,80％是坡耕地。这里农业生产的不利因素是:水土流失严重,地力十分瘠薄,土壤有机质含量一般为0.4-0.6％;干旱多风,自然灾害频繁;农业生产结构不合理,种植业、林业、牧业之间、种植业内部比例失调等等。然而我们也要注意到这里的有利因素,才能趋利避害,发展粮食生产。一、发展粮食生产的有利因素
There are 28 counties in the north of Juxian loess hilly region from right Jade and south to Xiangning. The cultivated area is 25.55 million mu and 80% is sloping land. The unfavorable factors of agricultural production here are: severe soil erosion and poor soil fertility, generally 0.4-0.6% of soil organic matter content; frequent winds and droughts and frequent natural disasters; irrational agricultural production structure, The imbalance in the planting industry and so on. However, we must also pay attention to the favorable factors here to make profits and avoid disadvantages and develop food production. First, the development of favorable factors for food production