论文部分内容阅读
我县位于长江以北江淮之间,地跨巢湖南北两岸,是一个丘陵地区,大部为砂质壤土、黄粘土和部分黑粒土。气候比较温和,年平均气温160℃左右,最高42℃,最低零下7℃,无霜期240—260天,始霜期十一月上旬,终霜期在次年四月上、中旬。年雨量1,160公厘左右,多集中3—6月,常有春霪伏旱和秋涝的特点。我县是个新棉区。原来种粗绒棉,棉田面积很小,产量极低。1959年在大跃进的1958年107,000
My county is located in the north of the Yangtze River between the Yangtze River and the Yangtze River, across the north and south sides of Chaohu Lake, is a hilly area, mostly sandy loam, yellow clay and part of the black soil. The climate is relatively mild, the annual average temperature of about 160 ℃, the highest 42 ℃, the lowest minus 7 ℃, 240-260 days frost-free period, the first frost in early November, the last frost in the following April, mid-April. Annual rainfall of 1,160 mm, mostly concentrated 3-6 months, often spring 霪 drought and autumn floods. My county is a new cotton area. The original kind of coarse cotton, cotton area is very small, very low yield. In 1958 in the Great Leap Forward in 1958 107,000