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山西的农业自古以来就是以旱作为主的农业。解放以来,水地面积虽有很大发展,但早作农业的比例,仍占绝对多数,农业的丰歉在很大程度上决定于降雨。风调雨顺,农业就丰收;干旱严重,产量就下降。因此,如何抓好旱作农业就成为山西农业增产的战略问题。一、山西旱作农业的特点世界干旱类型分为4类,即热带季节干旱型,热带半干旱型,亚热带半干旱型,中纬度
Since ancient times, agriculture in Shanxi Province has predominantly dominated agriculture. Since the liberation, although the water area has greatly developed, the proportion of the early agriculture still accounts for the absolute majority. The agricultural apology is largely determined by the rainfall. Good weather, agricultural harvest; serious drought, the output decreased. Therefore, how to grasp drought as agriculture has become a strategic issue for agricultural production in Shanxi Province. First, the characteristics of rainfed agriculture in Shanxi The world’s drought types are divided into four categories, namely the tropical seasonal drought type, tropical semi-arid type, subtropical semi-arid type, latitude