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在辽宁省11个县（市）滨海盐碱地和内陆盐碱地原有的林分中，选择树势生长旺盛、于形好、适合在盐碱地生长的杨树优良品种小×胡23号、小×胡19号和群众杨43号。通过测试，这3个抗盐品种能在含盐量5．0g／kg以下的地块中正常生长，可在含盐量5．0g／kg以下的轻盐碱地块上开发利用。
In 11 counties (cities) of Liaoning Province, the coastal saline-alkali land and inland saline-alkali soil of the original stand, select the tree vigor growth, good shape, suitable for growing in saline-alkali good varieties of small × Hu 23, small × Hu No. 19 and the masses Yang No. 43. Through testing, the three salt-tolerant varieties can grow normally in plots with salinity below 5.0g / kg, and can be exploited on light saline land with salinity below 5.0g / kg.