我省棉花施用稀土的试验始于70年代中期,1976—1982年为探索性试验阶段。1983一1986年由省稀土农用协作组主持,按照统一方案在省内各主产棉区(澧水流域、湘中盆地和洞庭湖冲积平原)又进行了为期4年的多点小区试验,以确定稀土有效施用条件和技术,并分析对产量和品质的影响。现将 The experiment of applying rare earths to cotton in our province began in the mid-1970s. The 1976-1982 test period was exploratory. From 1983 to 1986, hosted by the Provincial Rare Earth Cooperative Group, a four-year multi-site trial was conducted in major cotton producing areas in the province (Huangshui River Basin, Xiangzhong Basin and Dongting Lake alluvial plain) Determine the effective application of rare earth conditions and techniques, and analyze the impact on yield and quality. Now