达川地区宣汉县农业局组织土肥站通过多年来的探索,在农田基本建设地改梯中成功地创出了预制件坡改梯新技术,解决了坡改梯缺石料、造价高、工程慢等问题,引起达川地、县领导及上级主管部门的高度重视。该项工程被地委、行署领导誉为“55136”无石改土科技创新工程,即与石梯坎比较,节省劳动力5倍,增加土地面积5％,提高工效 10倍,节省投资300。工程关键技术6个字:平、硬、倾、正、紧、 Daguan Xuanhan County Bureau of Agriculture organized soil and fertilizer station through years of exploration, in the farmland capital construction of the ladder successfully created a prefabricated piece slope to change the ladder of new technology to solve the slope to change the lack of stone, high cost, engineering Slow and other issues, causing Dada, prefectural leaders and higher authorities attach great importance. The project was honored by the leaders of prefectural and administrative departments as “55136” non-stone improvement technological innovation project, which compared with stone ladder, saving labor force by 5 times, increasing land area by 5%, improving work efficiency by 10 times and saving investment by 300. Engineering key technology 6 words: flat, hard, dumping, is, tight,