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岩溶热水灌溉增产的启示 云南省宜良县狗街公社位于宜良盆地的近南端靠东山脚下,除沿南盘江狭窄的冲积阶地地势稍平外,其余全为由坡地开成的梯田、梯地。作物大春以水稻为主,小春以小麦、蚕豆为主,一年两熟。耕植层由砖红壤及山地红壤组成,以山地红壤为主。海拔1500—1600米。年降雨量多年平均为970毫米,蒸发量1723毫米。降雨集中在5—9月,有明显的干、雨季之分。年平均气温17℃,最高31℃,历史最低气温为
Enlightenment of increased production of karst hot water irrigation Yili County, Yunnan Province, Dog Street commune is located near the southern tip of the Yiliang Basin at the foot of the Dongshan, except along the narrow alluvial terrain of Nanpanjiang terrain slightly flat, the rest are all from the terrace into a terrace, . Spring crops mainly rice, spring to wheat, broad bean-based, cooked twice a year. Tillage layer from the brick red soil and mountain red soil composition, mainly to mountain red soil. 1500-1600 meters above sea level. The average annual rainfall of 970 mm, 1723 mm evaporation. The rainfall concentrated in May-September, there is a clear dry and rainy season. The annual average temperature of 17 ℃, the highest 31 ℃, the lowest temperature in history