在北美西部，大多数农业活动已被速生针叶树的单一栽培所取代。
In western North America, most have been replaced by monocultures of fast-growing conifers.
他把威廉姆斯博士的速生幼苗种在了里面，但没有一个茎干露出来。
He had planted Dr. Williams's quick-growing seedlings in it, but none of the stems were showing.
杨树；速生丰产林；技术管理理。
乔木的干形好、材质优良、较速生。
重点地区速生丰产用材林基地建设工程。
Fast-Growing and High-Yielding Timber Base Construction Program in Key Areas.
软木是指速生的针叶林品种，占世界木材产量的80%。
Softwoods are fast-growing coniferous species that account for 80% of the world's timber.
而杨树具有生长快、是伊春地区速生用材树种之一。
But the poplar tree has grows quickly, is one of Yichun area fast-growing timber wood tree seeds.
同时文中给出了松嫩平原西部速生丰产林的防治指标。
At same time, the paper has also given the control index of fast-growing and high-yield plantation in the west part of Songnen plains.
同时文中给出了松嫩平原西部速生丰产林的防治指标。
At same time, the paper has also given the control index of fast-growing and high-yield plantation in the west...
三是套种速生树种与慢生树种以满足长远规划的需要；
Third, we should interplant short life and long life species to meet the needs of the city's lo…
说明橡胶自根幼态无性系是一种速生、高产的种植材料。
This result indicates that the self-rooting juvenile-type clone of Hevea brasiliensis is a fast growing and high yielding planting material.
速生泡桐木的合理开发利用具有重要的环保、经济价值。
The exploit and utilization of speed up paulownia is of significant value of environment and economic.
为速生绿叶菜，播种后30 -40天可陆续采收上市。
For the fast-growing leafy green vegetables, 30-40 days after sowing in collecting listed.
桉树作为世界上三大速生丰产树种之一，已被人们所公认。
Eucalyptus is one of the three admitted fast growing trees in the world.
拟赤杨是一种生长快，干形直，用途广的优良速生阔叶树种。
Alniphyllum fortunei is a fast growing broadleaf specie, which has straight stem form and can be used for many pur-poses.
这是一种速生的树木和灌木，它的叶子和根系有助于改善土壤。
These are fast-growing trees and shrubs whose leaves and roots help improve soil.
相思树是我国南方一种对土壤适应性强，根瘤固氮的速生树种。
Acacia is a kind of fast growing wood that strongly fit for soil in south China.
泡桐是我国重要的速生用材树种，分布广泛，深受广大群众的喜爱。
Paulownia is an important fast-growing tree species, which is widely distributed and favored by people.
我们的竹材胶合板100%采用速生可再生的竹材制成，结构坚固。
Our bamboo plywood is made of 100% rapidly renewable bamboo, and is considered "solid" in it's construction.
尾叶桉是我国南方的一种速生丰产树种，是一种优良的造纸纤维原料。
Eucalyptus urophylla is a main kind of fast-growing wood in south China, and is a good raw material for pulping and papermaking.
介绍生产速生桐木复合拼板的可行性以及生产工艺，并分析其经济效益。
The paper introduces the feasibility and production technology on composite board splicing of fast- growing paulownia and also analyses its economic efficiency.
不同施肥区，麻栎苗木叶绿素含量在速生期时最高，到生长后期相对降低。
Moreover, chlorophyll content in which was up to the highest level at fast-growing stage, and was lower relatively at the later stage.
在我国，速生丰产林工程已经被列入我国林业重要的技术政策和产业政策。
In China, fast-growing and high-yield plantation has been figured into national important policies of technology and industry.
因此，速生期幼苗遭遇反复的干旱-复水处理会严重制约其生长潜力的发挥。
Therefore, the growth potential of seedlings would be restricted by repeated drying-wetting alternation condition at the rapid growth stage.
对帽儿山林场不同种源和不同种植条件区组下速生白桦的制浆特性进行研究。
This article is the study of the fast growth Birch's pulping characteristics from different provenance and different conditions of planting at Maoershan forestry centre.
其材菜兼用，不但是我国特有速生用材树种，而且被称为“绿色保健品蔬菜”。
Either build their vegetables is not only our unique fast-growing timber species, but also known as "green vegetable health products".
速生期杉木针叶全钙较低，尤其是第一个生长高峰期，初期和末期较高或最高。
Total Ca in needles was lower during fast growing seasons, especially the first fast growing season, and higher or highest during bud flush or pre-dormancy.
利用?降解纤维物质——例如柳枝稷和速生杂交白杨——生产乙醇是很有希望的。
Producing ethanol by breaking down cellulosic materials, such as switch-grass or fast-growing trees like hybrid poplars, with enzymes is promising.
杉木我国南方最主要的速生经济用材树种，在福建地区尤其是闽北种植已成规模。
Chinese fir is the main fast-growing economic timber species in South China, especially in northern part of Fujian province, where cultivation has already become dimensions.
杉木我国南方最主要的速生经济用材树种，在福建地区尤其是闽北种植已成规模。
Chinese fir is the main fast-growing economic timber species in South China, especially in northern part of Fujian province, where cultivation has already become dimensions.
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