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一、前言一九七二年整整一年没有下过一场透雨,全年零星降雨量只占平常年份的20%左右,但是大寨大队仍然夺得平均亩产947斤的好收成。论自然条件,大寨的条件并不好。大寨地处太行山上海拔1000米的土石山区,全年无霜期145天左右,平均气温9.1度,年降雨量是500～700毫米,多集中在七、八、九三个月份,十年九春旱,常遭受夏季洪水和冰雹的威胁。全大队八百来亩地分布在七沟八梁一面坡上。在合作化之前,土地十分不平,坡陡、沟深、梁瘠薄,乱石满山坡,过去亩产只有百十来
I. Foreword In the whole year of 1972, there was not a single show of rain through. Yearly rainfall throughout the year only accounted for about 20% of normal years. However, the Dazhai Brigade still won a good harvest of 947 pounds per mu. On the natural conditions, Dazhai conditions are not good. Dazhai is located in the Taihang Mountains 1,000 meters above sea level rock and mountain area, the annual frost-free period of about 145 days, the average temperature of 9.1 degrees, the annual rainfall is 500 ~ 700 mm, and more concentrated in seven, eight, nine three months, ten years nine spring Drought often suffers from summer floods and hail. Eight hundred acres of the entire brigade to the distribution of seven ditch Bailiang slope. Before the cooperation, the land is very uneven, steep slopes, deep ditch, barren beams, chaos stone slopes, the past mu only a hundred