oligotrophic brown soil

基本解释贫瘠棕色土

网络释义

1)oligotrophic brown soil,贫瘠棕色土2)sterile soil,贫瘠土壤3)soil impoverishment,土壤贫瘠4)soil leanness,土壤贫瘠化5)dead soil,贫瘠的土壤6)the poverty of the soil,土地的贫瘠

用法和例句

Putting soil micro algae which were native to fertile soil into sterile soil, and then culturing them under dark and light conditions separately, the results showed: under dark condition, soil micro algae almost come into dormant state or dead in 30days; under light condition, micro algae increase at some degree in 30 days, and then breed rapidly.

将自然条件下肥沃土壤中的微藻接种到贫瘠土壤中 ,分别在黑暗和光照条件下进行培养 ,结果显示 :黑暗条件下的微藻在 30d内进入休眠状态或死亡 ;在光照条件下 ,微藻的数量在第 30d以后迅速增殖 ,随着藻类的生长 ,土壤pH值也发生了一定变化 ,且藻类数量的变化与土壤有机质和土壤有效磷的变化呈极显著相关 ,说明土壤微藻能改善贫瘠土壤的微生态环境和提高土壤肥力 ,上述结果可为藻类用于农业生产和沙漠治理等提供理论依

The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro-algae , soil pH value , soil organic matter soil available phosphorus and soil nitrogen.

本文首先对肥沃土壤与经高温焚烧后的贫瘠土壤中的微藻数量、土壤pH值、有机质含量、有效磷含量和全氮量进行比较研究,然后将包含微藻的绿化苗圃地肥土按不同比例接种进入贫瘠土样中,分别在光照条件和黑暗条件下进行培养,在0天、30天、60天和90天分别检测以上指标,比较有光条件和无光条件下,即有藻条件和无藻条件下贫瘠土样所发生的变化,并分别对微藻数量的变化与土壤pH值、有机质含量、有效磷含量和全氮量的变化之间做相关性分析,以评估肥沃土壤中的微藻接种进入贫瘠土壤后的生长情况以及对贫瘠土壤的改良作用。

In this paper, taking Fujain province as a case study, we reviewed the spatial pattern and correlation of major land degradation: damage of cultivated land, soil pollution, soil erosion, and soil leanness.

综述了福建主要土地退化——耕地损毁、土壤污染化、土壤侵蚀化和土壤贫瘠化的空间分布格局和空间相关性 ,提出了土地退化危险度的概念 ,分析了影响福建主要土地退化危险度的社会经济因素 ,并选定了 6个重要社会经济指标 ,运用 GIS技术 ,在一定的数学模型支持下 ,考虑主要土地退化类型 ,提出了福建土地退化危险度分区 ,并探讨了各分区的特

"The edible starchy grain is used primarily as livestock feed, But is also processed into rolled oats and oat flour for human consumption. "

适应贫瘠土壤。燕麦主要作饲料,但加工后的燕麦片和燕麦粉供人类食用。

The soil in that county is very poor.

那个县的土壤十分贫瘠。

poor food, light, soil

劣质食品、 微弱的光线、 贫瘠的土壤

Impoverish the soil by overuse.

过度耕作而使土壤变得贫瘠

(usually plural) a rolling treeless highland with little soil.

土壤贫瘠的起伏的树木稀少的高地。

a barren tree; soil too infertile to sustain real pasture.

不结果子的树;土壤太贫瘠了,不再是真正的牧

Storage and cooking, Processing/refining and depleted soils.

贮存及烹煮,加工制作,以及土壤贫瘠等原因。

The resulting barren area leads to soil erosion and the development of undesirable trails.

贫瘠的土地往往导致土壤的侵蚀出现不期望的痕迹。

Effects of Conservation Cultivation on Black Soil Physic-Chemical Properties in Arid Area

保护性耕作对贫瘠型黑土区土壤理化特性的影响

The barren land has been turned into fertile fields.

贫瘠的土地已改成良田。

The land is barren on the coast.

海边的这片土地很贫瘠。

The desert is barren land.

沙漠是贫瘠的土地。

Their mountainous country was thickly forested, the soil poor, and communication difficult.

这个多山的国家被茂密的森林所覆盖,土壤贫瘠,通信困难。

impossible to grow tobacco on the exhausted soil; the exhausted food sources; exhausted oil wells.

在贫瘠的土壤中不可能生长烟草;枯竭的食物来源;枯竭的油井。

any grass of the genus Chloris; occurs in short grassland especially on waste ground or poor soils.

虎尾草属的任何一种草;出现在矮草原尤其在荒原或土壤贫瘠地区。

a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.

可溶的盐的混合物,见于贫瘠的土壤和一些水体中,对农作物有害。

The soil proved too infertile to sustain real pasture or arable crops.

这土壤被证明太贫瘠,不能真正用作放牧或种植作物。

Once this happens the site is abandoned and the soil is exposed to sun and rain, resulting in erosion and further impoverishment of the soil.

如果土地就撂荒了,土壤直接暴露中日晒雨淋中,导致水土流失和土壤进一步贫瘠.

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