农民们开垦了这个肥沃的山谷。
农民们在肥沃的土地上种水稻。
我们在中西部有最肥沃的土壤。
北面是内布拉斯加州平坦肥沃的农田。
To the north lie the flat and fertile farmlands of Nebraska.
全国最肥沃的一些牧场位于这些峡谷中。
Some of the country's richest grazing lands are in these valleys.
他们用武力将土著人驱逐出更加肥沃的土地。
They used force to banish the natives from the more fertile land.
霍顿眺望着那一片肥沃山谷和平缓山脉的景象。
Horton looked out over a panorama of fertile valleys and gentle hills.
这片南美无树大草原仍然是世界上最为肥沃的地方。
The pampas are still among the most fecund lands in the world.
我看到一块深褐色的肥沃田地，那里耕犁正犁出宽大的犁沟。
I saw a dark brown fertile field in which a plough was cutting large furrows.
这块土地不够肥沃，不值得耕种。
森林正在吞噬世界各地的肥沃农田。
这两个地方都有大片肥沃的农田，不缺耕地。
Both places had vast areas of fertile farmland, no shortage of agricultural land.
它们生长时喜欢肥沃土壤和水分，但不喜打扰。
They enjoy rich soil and moisture when growing, but dislike disturbance.
原因是，肥沃的火山土壤使这片土地极适于农业。
The reason is that rich volcanic soil makes the land fantastic for farming.
它肥沃多产。
美国具有丰富的矿产资源和肥沃的农田，气候温和适中。
The United States is a land rich in mineral resources and fertile farm soil, together with a moderate climate.
森林仅仅燃烧一次就能留下足够的黑碳，来保持数千年土壤肥沃。
Burning the forest just once can leave behind enough black carbon to keep the soil fertile for thousands of years.
他们到处乱跑，但是他们住在肥沃的土地上，所以他们中有些人活了下来。
They run wild, but they were in rich soil, so some of them lived.
令他们高兴的是，他们觉得这样可以使田地里的土壤富含矿物质，更加肥沃。
To their delight, they feel that this makes the soil in their fields richer in minerals and so more fertile.
自然和肥沃是最重要的；他们崇拜太阳神、水神、月亮神，无疑还有野牛神。
Nature and fertility would have been all-important; they would have worshipped sun gods, water gods, moon gods and doubtless bison gods.
他现在希望的是：改革的呼声能为他长期以来关于商业道德的主张提供更肥沃的土壤。
His hope now: that the cries for reform will provide more fertile soil for his long-standing messages about business ethics.
拜罗伊特大学的土壤科学家布鲁诺·格拉泽研究了亚马逊中部几块出人意料的肥沃土壤。
Bruno Glaser, a soil scientist of the University of Bayreuth, has studied unexpected patches of fertile soils in the central Amazon.
世界上有些地区煤炭和矿产供应充足，土壤肥沃，气候宜人；而其他地区则不具备这些条件。
Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a favourable climate; other regions possess none of them.
由于浓度的增加，植物的再生长很少，导致侵蚀增加，使得肥沃的表层土壤减少，再生长更少。
Because of this increased concentration, regrowth of plants is minimal, leading to increased erosion, which leads to a decrease in the fertile topsoil, leading to even less regrowth.
在随后的沉降季节，水会退去，并露出一层新的肥沃的黑色淤泥，可以在这上面种植各种作物。
Afterwards during the season of subsidence, the water would subside, or recede, revealing a new layer of fertile black silt and allowing for the planting of various crops.
曾经是海底的陆地现在成了城镇周围广阔肥沃的田野；这里曾经有过螃蟹爬行，现在则有驴子择路而行。
Land that was once at the bottom of the sea now lies around the town in wide, fertile fields; where crabs once crawled, donkeys pick their way.
与人类活动破坏环境的传统观点相反，格拉泽说：“与人类排泄物结合的黑碳是黑土高地土壤肥沃的原因。”
Contrary to the conventional view that human activities damage the environment, Glaser says, "Black carbon combined with human wastes is responsible for the richness of Terra Preta soils."
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.
在过去的几个世纪里，埃特纳的低山坡都是由人类的双手开垦的，人们利用肥沃的土壤来种植葡萄、苹果和坚果。
Over the centuries, Etna's lowest slopes have been shaped by human hands to take advantage of rich soils for growing grapes, apples and nuts.
比如，几个世纪以来，尼罗河、底格里斯河和幼发拉底河每年的洪水给下游山谷的居民带来了肥沃的淤泥和水源。
For centuries, the annual floods of the Nile, Tigris, and Euphrates, for example, have brought fertile silts and water to the inhabitants of their lower valleys.
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