第二组生物技术可用于提供工业原料的大规模人工种植林。
A second group of biotechnologies can be used for planted forests that provide industrial raw materials on a large planting scale.
为简单起见,依据人工种植林的类型确定三种不同组别的生物技术,其从最不复杂的到最先进的。
For simplicity, three different groups of biotechnologies can be identified according to the type of planted forests, ranging from the least sophisticated to the most advanced.
对种植林来说,虽然有一些重叠,但所使用的生物技术的范围通常和使用在自然再生林上的有很大的不同。
For planted forests, although there is some overlap, the range of biotechnologies used is generally quite different from that used for naturally regenerated forests.
他们建造了成千上万的圆形石质防风林并在其中种植花草,还用破碎的火山岩来保持土壤湿润。
They built thousands of circular stone windbreaks and gardened inside them, and used broken volcanic rocks to keep the soil moist.
《中国日报》称,它在该国北部的13个省种植了660多亿棵树作为防风林。
It has helped to plant more than 66 billion trees across 13 provinces in the country's north to act as windbreaks (防风林) , according to China Daily.
林奈学会在这个问题的糊涂并不奇怪,因为之前没有一个欧洲人亲眼见过茶叶种植或是对活着的茶树进行过研究。
Given that to that point no European botanist had seen tea growing or evaluated it in its living state, the Linnaean Society's confusion on the subject is understandable.
防风林是由树木和其它植物形成的屏障,农民在其农田四周种植防风林。
Windbreaks are barriers formed by trees and other plants. Farmers plant these barriers around their fields.
《2005年全球森林资源评估》还发现,新的森林和树木种植速度在加快,但是《评估》指出,人工林仍不足森林面积的5%。
FRA 2005 also found that new forests and trees are being planted at increasing rates, but plantations still account for less than 5 percent of forest area, it notes.
现如今,这个县比从前富裕了,县城的主要街道旁都建起了旅店和餐馆,苹果种植区果树成林一直延伸到城外。
Today it looks relatively prosperous. The main street of the county seat is lined with hotels and restaurants, and the reddening orchards of this apple-growing district stretch beyond the town.
枣树是我国重要的经济林树种之一,在我国大部分地区广泛种植。
Zizyphus jujube, as one of the important economic trees, is planted widely in china.
有一种植物会给它的花朵加热,那就是来自南美热带地区的海芋属植物喜林芋philodendronsolimoesense。
One plant that heats its flower is Philodendron solimoesense, an Arum from the South American tropics.
防风林是一道屏障,由树木和多叶植物构成。农民在农田的周围成排地种植了防风林。
Windbreaks are barriers formed by trees and other plants with many leaves. Farmers plant them in lines around their fields.
通过人为地将树木隔开距离种植,人工林可以保证树木可以获取足够的阳光,生长得更快,大部分的德国森林都是这样。
By artificially spacing out trees, the plantation forests that make up most of Germany's woods ensure that trees get more sunlight and grow faster.
通过发现祖父卡洛瑟斯·麦卡斯林邪恶的一面,他颠覆了南方的种植园神话。
He subverts the Southern plantation myth by his discovery of the evil side of his grandfather, Carothers McCaslin.
为提高城市隔离片林生态效益及景观面貌,片林结构除简单的乔木层外,还应具有一定面积的复层混交种植结构。
Besides the simple arbor layer, the multilayer plantation structure should be adopted in order to enhance the ecological benefits and scene values of isolating greenbelts in Beijing.
如果仅靠国有林场来代理国家种植管理公益林,显然人力有限。
If the plantation and management of the commonweal forests is only done by state-owned forestry center, the hands will be limited.
地方性种植的树和植物对防风林来说是最好的。
对挑粮、桔粮、油粮、桑粮四种不同经济林粮立体种植模式,研究其实用技术,以及不同经济林粮立体种植模式与纯粮常规种植的效益比较。
Practical skills have been studied and the benefits from different stereo-planting model of economic fruit-grain have been compared with the benefits from single cereals planting.
从蚂蚁群落相似性系数来看,4种植被亚型的原始林和次生林蚂蚁物种的组成均具有显著差异。
According to the Jaccard similarity coefficient, the composition of the ant species all has distinct difference between primeval and secondary forests of the 4 vegetation subtypes.
这片柿子林是慈禧年间种植的,已经有上百年的历史。
This piece of persimmon Lin is obvious years cultivation, has over 100 years of history.
探讨采用高密度超短轮伐期栽培技术种植的一年树龄中林杨全树带皮材,NSSC法制浆及生产新闻纸的可行性。
The feasibility of making newspaper with NSSC pulping by using one-year-old zhonglin aspens which was cultivatel in high density in supershort cutting period was studied.
全村有98户334人,212亩耕地和9543亩林地,田里以种稻谷为主,经济作物以种植香菇、林竹为主。
The village has 98 334 people, 212 acres of arable land and 9543 acres of woodland, the field to rice-based, economic crops to grow mushrooms, bamboo-based.
室内种植一英亩,可以使室外10至20英亩的农田回归到原生状态,即阔叶林状态。
For every indoor acre farmed, 10 to 20 outdoor acres of farmland could return to their natural ecological state, which in most cases is hardwood forest.
适荫性:杰克林爱尔兰林克斯混合草种是一个有多种优质草组合在一起的,如细羊茅。适宜种植于有荫区域。
SHADE ADAPTATION: Jacklin Irish Links Mixture teams together components such as fine fescues that will work in lightly shaded areas.
无论山坝间、村寨里、道路旁都有种植,要么独树成林,要么榕树相连成片。
Between mountain dam, village in, road near have to plant, want the forest of seting up alone, want banyan the flat of being linked.
无论山坝间、村寨里、道路旁都有种植,要么独树成林,要么榕树相连成片。
Between mountain dam, village in, road near have to plant, want the forest of seting up alone, want banyan the flat of being linked.
应用推荐