2) Populus deltoides×P.cathayana
美黑×青杨
1.
Sprouting of Populus deltoides×P.cathayana;
美黑×青杨萌蘖更新技术研究
3) Populus pseudo-simonii×P. nigra
小青黑杨
1.
Cytospora chrysosperma and Erwinia herbicola made great changes on chemical quality of Populus pseudo-simonii×P.
对哈尔滨及其附近地区的小青黑杨(Populus pseudo-simonii×P。
4) green ryegrass
黑麦青草
5) Pteroptrix longgiclava (Girault)
小青×黑杨
1.
Four-armed airflow olfactometer was used to determining the foraging behavior of Pteroptrix longgiclava (Girault) (Hymenoptera: Aphelinidae) and Encarsia gigas (Tshumakova) (Hymenoptera: Aphelinidae) to the essential oils which emitted from the healthy bark of Populus pseudo-simonii ×P.
采用四臂式嗅觉仪测定了长棒四节蚜小蜂(Pteroptrixlonggiclava(Girault)(Hymenoptera:Aphelinidae))和黄胸扑虱蚜小蜂(Encarsiagigas(Tshumakova)(Hymenoptera:Aphelinidae)),对健康的小青×黑杨(Populuspseudo-simonii×P。
6) green-feeding rye
青饲黑麦
1.
On the basis of research to grow rye way in sand soil, utilizing efficiency and increasing yield technique, to the current state of utilization of sand soil winter fallow field, existing problems and the practical efficiency of planting green-feeding rye feasibility were analysed, so as to provide base for its maintaining and applying.
在对沙地种植黑麦的方式、利用效益及增产技术进行研究的基础上，对沙土冬闲地的利用现状、存在问题及种植青饲黑麦的实际效益与可行性进行了分析，以期为其推广应用提供依据。
补充资料：青黑
1.青色和黑色。 2.青里带黑。 3.墨蓝色。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条