小叶杨和旱柳是巴彦淖尔盟灌区的两个主要造林树种。二十多年来,灌区人民营造了一些纯林,也营造了一些混交林。通过调查可以看出,小叶杨与旱柳混交造林有许多好处,应大力提倡。 1973年笔者在乌拉特前旗西山咀林场的调查证明,在相同立地条件和采取相同抚育措施的情况下,由于混交林中小叶杨与旱柳之间有明显的促进 Populus simonii and willow are the two main afforestation species in Bayannao’er Irrigation District. For more than two decades, irrigated people have created some pure forests and also created some mixed forests. Through the survey we can see that there are many benefits to the mixed plantation of Populus simonii and Salix matsudana and should be greatly promoted. In 1973, the author of the investigation in Wulateqianqi Xishanzui Forest Farm proved that under the same site conditions and adopting the same tending measures, there was a clear promotion between Populus simonii and Salix matsutake