我们有金黄土壤和财富为劳碌;
那里的土壤是经过风化作用的石灰石土壤或黄土。
野外调查和资料分析显示,陕北黄土高原土壤干化原因有两个方面:一是自然原因;二是人为原因。
The field survey and the data analysis show that the cause of soil drying in the Loess Plateau of northern Shannxi has two aspects: natural causes and anthropogenic causes.
结果表明:黄土高原核桃林地土壤蒸发量与月均温呈正相关关系。
The results showed that soil evaporative capacity of walnut forest land was positive correlation to average temperature of month.
研究了黄土塬区塬面不同套种作物的幼树苹果园土壤微生物的分布和酶活性。
This paper presents the analysis results of the soil microbe distribution and enzymatic activity in the young apple garden with different intercropping system in the loess region.
黄土高原地区水资源缺乏,水资源,特别是土壤水资源的适度开发和合理利用势在必行。
The water resource is short, and rational utilization of water resource, especially soil water resource is imperative on the Loess Plateau.
黄土高原土壤侵蚀极其严重,这不仅导致了土壤生产力的降低,同时也导致了土壤的退化。
The serious soil erosion of the Loess Plateau has led to not only the reduction of soil productivity but also the soil degeneration.
在水力侵蚀作用下黄土破坏实质上是剪切破坏,但土壤抗剪强度表现形式与外载荷作用形式密切相关。
The destruction of soil is shearing in effect, but the representation of soil anti-shearing strength is closely related to the mode of external load action.
本文在分析黄土高原土壤侵蚀灾害的现状、危害及成因的基础上,提出了防治和减免土壤侵蚀灾害的对策。
The present paper puts forward the countermeasures against the soil erosion disasters in the loess plateau on the basis of analysis of their present situation, harm and causes.
中国的黄土高原是人类活动加剧土壤侵蚀,从而使经济受损的一个极端例子。
The Chinese Loess Plateau is an extreme example of human-induced soil erosion and the resulted economic sufferings.
本研究重点利用GIS辅助土壤侵蚀模型对黄土高原西部的祖厉河流域的土壤侵蚀问题进行了研究。
This research focuses on the erosion problem of ZuLi River basin in the western part of the Chinese Loess Plateau using GIS-assisted soil erosion model.
在片沙覆盖的黄土丘陵区,由于恶劣的自然环境及松散的地表组成物质,土壤的水蚀过程明显地不同于典型的黄土丘陵区。
In loess hilly gully region covered by sheet sand, soil water erosion process is different from typical loess hilly gully region because of worse natural environment and loose land surface material.
本文介绍一种利用核素示踪技术研究黄土高原不同地形部位土壤侵蚀量的监测新方法。
A new method with nuclear technology to study soil erosion amount monitoring on different topography part in Loess Plateau is reported in this paper.
根据黄土丘陵区土壤肥力特点及土体结构,选用硝酸铵和过磷酸钙作为试验肥料,进行了不同施肥量试验。
According to soil fertility and soil structure in the loess plateau, the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate.
在河南孟津地区发现全新世古土壤-黄土沉积剖面和湖沼相沉积剖面。
A holocene paleosol-loess sediment profile and lacustrine sediment profile were found in Mengjin, Henan province.
研究黄土高原土壤水分变化规律,有着极其重要的科学和实际意义。
That has practical and scientific significance to study the dynamic law of soil moisture.
黄土残塬区的沟道由于地质地貌基础及土壤侵蚀强度的不同而具有不同的形态特征。
Gullies located in the remained loess area have different formation features due to the different foundations of geology and geomorphology and intensity of soil erosion.
结果表明,黄土高原土壤中的大多数元素含量和黄土母质接近,且具有粒度相关型的地域分异规律。
The results showed that great majority of elements contents on the loess plateau approach to element in loess parent materials.
通过室内静态实验,研究了石油类污染物在黄土地区土壤中的吸附行为。
Laboratory static experiments were conducted to investigate the adsorption capacity of loess for mineral oils.
研究结果表明,黄土性土壤对砷是一次性的吸附净化并达到饱和状态。
Results showed the arsenic can be quickly absorbed onto loessial soil and reach adsorption saturation.
完整的陕西大荔人遗址剖面由上部黄土—古土壤序列和下部砂土地层两部分组成。
The intact stratigraphic profile at the Dali Man site consists of the upper Loess-Paleosol series and the lower sandy soil series.
结果表明,全氮、碱解氮和有机质是黄土丘陵区人工林土壤主要的肥力指标,其含量能更好地反映土壤肥力状况。
The results showed that total nitrogen, available nitrogen and organic matter were the main fertility indicators for soil fertility evaluation in the planted forest land on the Loess Plateau.
黄土高原地区深层土壤干燥化是人工林草植被过度耗水导致土壤水分负平衡的结果。
The desiccation of deep soil layer on the Loess Plateau results from the gradual depletion of storing water during the process of vegetation rehabilitation.
通过测定黄土高原不同区域、不同类型土壤全锌和有效锌含量,研究了黄土高原土壤锌含量及影响有效锌的因素。
Total soil zinc, available zinc and other soil properties were measured to determine their distribution and to identify factors affecting their variability in different regions of the Loess Plateau.
在湋水河谷多个地点发现全新世古洪水平流沉积层赋存于黄土—古土壤剖面中。
During the investigation of the Weishui River valley, we found many palaeoflood slack-water deposits sandwiched in Holocene loess-soil profiles.
黄土形成时的沙尘暴活动比古土壤形成时要强的多。
Dust storms in Loess period were much stronger than in paleosol period.
通过大田试验研究了黄土地区种植作物对旱作农田土壤理化性状、磷酸酶活性以及土壤n2o排放的影响。
Field experiments were carried out on Loess Plateau to investigate the effects of cropping on the physical and chemical properties, phosphatase activity, and N2O emission of upland soils.
黄土是在相对冷干气候条件下发育的成熟的灰黄色古土壤,不同地区黄土所属土壤类型主要为灰钙土、栗钙土、棕钙土、棕漠土和黑垆土。
But compared with reddish paleosols, it was formed in dry and cold conditions, so, loess even could serve as an indicator of dry and cold climate.
黄土是在相对冷干气候条件下发育的成熟的灰黄色古土壤,不同地区黄土所属土壤类型主要为灰钙土、栗钙土、棕钙土、棕漠土和黑垆土。
But compared with reddish paleosols, it was formed in dry and cold conditions, so, loess even could serve as an indicator of dry and cold climate.
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