杨树用材人工林 Poplar timber plantation
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The studies on the growth model and calculation of Populus plantation were carried out according to the different flooding duration, site index and afforestation density.
分别不同淹水时间、不同立地指数和不同造林密度，建立了滩地杨树人工林生长模型，并编制了生长预测表。
参考来源 - 滩地淹水胁迫条件下杨树造林立地选择及生长预测研究·2,447,543篇论文数据，部分数据来源于NoteExpress
杨树人工林冻裂率为60%以上。
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。
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.
应用土壤养分状况系统研究法(SNSA法)对江汉平原杨树人工林土壤养分状况进行了评价。
A study was conducted to evaluate the soil nutrient status of poplar plantations by soil nutrient Systematic Approach (SNSA) in Jianghan Plain, Hubei Province.
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