他想用该水来灌溉贫瘠的沙漠土地。
黑麦耐贫瘠的酸性土壤。
土壤这样贫瘠,植物能获得足够的养分吗?
这片土地荒芜而贫瘠。
那可能是我见过的最光秃、最荒凉、最贫瘠和最不适合居住的岛屿。
That's probably the most bare, bleak, barren and inhospitable island I've ever seen.
他们租了一些贫瘠的土地,开始种树。
现今那里非常荒凉、土地贫瘠,而且极其炎热。
后来,朋友问农夫为什么把树栽在那么贫瘠的地方。
Later, the friend asked the farmer why he planted the tree in such a poor place.
养分和矿物质容易从沙质土壤中流失,因此沙质土壤往往较为贫瘠。
Sandy soils are prone to the leaching of nutrients and minerals and so tend to be nutritionally poor.
贫瘠的土地上首先长满了地衣这种低等植物,它们在裸露的岩石上生存。
First to colonize the barren land are the lowly lichens, surviving on bare rock.
4亿多年前,植物第一次向海岸上迁移时,陆地上荒凉而贫瘠,并非生命宜居之地。
When plants first made the transition ashore more than 400 million years ago, the land was barren and desolate, inhospitable to life.
然后,随着炽热的阳光和滂沱的大雨交替出现,黑色岩石粗糙而贫瘠的表面开始慢慢软化。
Then, as blazing sunshine alternated with drenching rains, the harsh, barren surfaces of the black rocks slowly began to soften.
考古发掘表明,拉帕努伊人为了保护他们狂风肆虐的贫瘠土地上的资源,付出了英勇的努力。
Archaeological excavations indicate that the Rapanui went to heroic efforts to protect the resources of their wind-lashed, infertile fields.
但是这种紫色的猪笼草,生活在北美的沼泽和贫瘠的沙质土壤中,吸收其他生物来作为它的食物。
But the purple pitcher plant, which lives in bogs and infertile sandy soils in North America, enlists other organisms to process its food.
但只有那些降落在非常有利位置的孢子才能开始新的生活;绝大多数的孢子降落在贫瘠的土地上。
But only those few spores that settle down in very favorable locations can start a new life; the vast majority fall on barren ground.
一旦腐殖质层消失,养分就无法从土壤中回收和过滤,致使土壤由肥沃变为贫瘠,只适于热带草原植被的生长。
Once the humus layer disappears, nutrients cannot be recycled and leach from the soil, converting soil from fertile to infertile and making it suitable only for savanna vegetation.
例如,沼泽贫瘠的土壤提供的氮和磷很少,所以肉食植物比那些通过更传统的方式获得这些营养的植物更有优势。
The poor soil of bogs, for example, offers little nitrogen and phosphorus, so carnivorous plants enjoy an advantage over plants that obtain these nutrients by more conventional means.
大多数雨林土壤都很贫瘠,因为它们缺乏矿物质,而且高温和强降雨会在到达森林地面后的4年内破坏土壤中的大部分有机物。
Most rainforest soils are thin and poor because they lack minerals and because the heat and heavy rainfall destroy most organic matter in the soils within four years of it reaching the forest floor.
集约耕作使土壤变得贫瘠。
由于土地贫瘠而无法耕作。
这个地区的集约化农业使得土壤严重贫瘠化。
Intensive farming in the area has caused severe degeneration of the land.
应施顶肥以促进生长,因为薄荷会使土壤迅速变得贫瘠。
A top dressing of fertilizer should be added to improve growth as mint impoverishes the soil quickly.
例如,地球臭氧层的破坏会使紫外线伤害植物和动物,从而导致普遍的贫瘠进程。
The destruction of Earth's ozone layer, for example, could contribute to the general process of impoverishment by allowing ultra-violet rays to harm plants and animals.
另一方面,《太阳报》一片贫瘠,除了小小的消遣之外,没有什么可提供的;如今几乎没有人会管它叫报纸。
On the other hand, the Sun was a scanty sheet providing little more than minor diversions; few today would call it a newspaper at all.
这片土地多年来荒芜贫瘠、与世隔绝。
他们将停止使用这块贫瘠土地,不再种庄稼。
南地是一片贫瘠的、没有人烟的可怕荒漠。
资源贫瘠国家同样实现了增长。
利用翼类动物到贫瘠区域播种,并非他们首创。
This is not the first study of the idea of using flying animals to drop seeds into barren areas.
两百年前,阿森松岛是一个贫瘠的火山结构残迹。
Two hundred years ago, Ascension Island was a barren volcanic edifice.
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