poplar plantation pattern 杨树人工林经营模式
artificial poplar plantation 人工杨树林
high-yield poplar plantation 杨树丰产林
poplar plantation in sand land 沙地杨树人工林
poplar plantation for paper-making 杨树造纸林
Fast-growing and high-yield poplar plantation 杨树速生丰产林
Poplar timber plantation 杨树用材人工林
plantation poplar 速生杨木
plantation poplar trees 人工林杨树
At present,Chinese poplar plantation area is the No. 1 in the world.
目前我国杨树人工林面积居世界第一位。
参考来源 - 杨树人工林生长特性及生物量研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The frost crack rate of poplar plantation is above 60%.
杨树人工林冻裂率为60%以上。
This paper deal with the effect of fertilization for 4 years on the changes of the soil nutrients, the soil water physical characters and the soil microbes in the poplar plantation.
本文报道了施肥4年对杨树人工林土壤养分的消长、水分物理特性及土壤微生物的影响。
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