龙泉县屏南公社南五大队,全部耕地分布在海拔1100—1300公尺的岗弯丘坡上,林密蔽田,泉眼比比。气候特征是日照少气温低、湿度大、水土冷。长期以来,充分挖掘和利用当地的气候资源,改变粮食低产的落后面貌是一个迫切需要解决的问题。南五大队的干部和贫下中农在长期的改水斗争中,积累了丰富的经验,特别是 Longquan County Pingnan commune South Fifth Brigade, all the arable land located in the elevation of 1100-1300 meters on the hills bent hillside, Lin secret fields, springs Bibi. Climate is characterized by low sunshine temperature, humidity, water and soil cold. For a long time, the full excavation and utilization of the local climate resources to change the backwardness of low-yielding grain is an urgent problem to be solved. In the long struggle against water reform, the cadres from the fifth and fifth generation of the southern border group have accumulated rich experience, especially