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通过杨树片林造林试验分析结果表明,沙兰杨是一个较好的杨树品种;杨树刺槐混交是一种较好的造林方式;其造林密度,杨树每亩不超过20株较好。
The result of afforestation experiment on poplar forest shows that Poplar is a good poplar species. Poplar and locust hybrids are a good way of afforestation. The afforestation density of poplar is less than 20 plants per acre .