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杨树是我国重要造林树种,具有生长快,用途广,树形美观适应性强的特点,是用材林,防护林以及四旁植树的好树种。但是,杨树品种很多,特性各异,什么品种适宜盐碱地生长,是盐碱地造林中值得注意的问题。遵照毛主席“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的伟大教导,我县杨家园大队在天津地区农科所科技人员的协助下,从1966年开始,结合生产进行了盐碱地杨树优良品种的选育工作,八年来已从32个杨树品种的无性系中培育和选择出8个较适合盐碱地栽培的优良品种,这8个品种是
Poplar is an important afforestation species in our country. It has the characteristics of fast growth, wide application and beautiful tree adaptability. It is a good species of timber, shelterbelts and tree planting around. However, many poplar varieties, different characteristics, what kind of varieties suitable for the growth of saline-alkali land, saline-alkali afforestation is a noteworthy issue. In accordance with the great teaching of Chairman Mao, “mankind always has to sum up experiences, discoveries, inventions, creation and advancement”, the Yangjiayuan Brigade in our county, with the help of scientific and technological personnel from Tianjin Agricultural Science Institute, From the beginning of the year, breeding of elite varieties of poplar with saline-alkali soil was carried out. In the past eight years, eight elite cultivars suitable for cultivation of saline-alkali soil have been cultivated and selected from clones of 32 poplar varieties. These eight varieties are