lean soil poor soil 贫瘠土壤
in poor soil 在贫瘠的土壤中
poor soil and barren land 瘦土薄田 ; 瘦骨薄田
poor soil layer 劣质土层
poor soil layers 劣质土层
poor soil fertility 贫瘠的土壤肥力
phosphorus-poor soil 缺磷质的土壤
The ecological resoration was advanced too. Therefore,The important position of earthworm in the soil ecosystem was summarized in the article to provide some new ideas about improving poor soil, developing a new husbandry.
该文探讨了蚯蚓在土壤生态系统中的重要地位,以期为改良贫瘠土壤、发展新兴饲养业提供新思路。
参考来源 - 蚯蚓在土壤生态系统中的重要作用研究—《现代农业科技》—2010年第16期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
Can plants obtain adequate nourishment from such poor soil?
土壤这样贫瘠，植物能获得足够的养分吗？
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.
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。
Poor soil keeps many farmers in Africa from growing good crops.
贫瘠的土地使非洲许多农民无法种出优质作物。
Poor soil keeps many farmers in Africa from growing good crops.
VOA: special.2009.01.20
It can survive in poor soil and without much water.
VOA: special.2010.06.08
Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.
VOA: special.2009.07.28
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