去南省镇雄县南台公社五谷大队,是一个沟壑纵横、坡陡谷深、无煤缺水的贫瘠山区。全大队580多户,2800多人分居在97条湾子里,耕种着3858亩土地,经营着2380多亩宜林荒山。1960年前,由于大量的毁林开荒,造成了严重的水土流失,使97条湾子的土越冲越薄,石越冲越多,80％以上的耕地都受着洪水的影响,粮食总产在73万斤左右徘徊,亩产只有190来斤。特别严重的是1961年8月 Go to the southern province town Xiong County Nantai commune grain brigade, is a ravine vertical and horizontal, deep steep valley, coal-poor barren mountain. More than 580 full-family units, more than 2,800 people living in 97 Bay, cultivated 3858 acres of land, operating 2380 acres of barren hills. Before 1960, due to a large amount of deforestation and land reclamation, serious soil erosion was caused, so that the soil of the 97 bays became more and more rapider and flushed more and more. Over 80% of the arable land was affected by the floods. The total grain output Hovering around 73 kgs, only 190 kilos of mu were produced. Particularly grave is August 1961