土壤发生过程和生物气候环境是影响土壤元素含量地域分异的主要因素。
The process of soil genesis and bioclimatic environment of soil are the main factors affecting the contents of soil elements.
相关分析的结果表明，植物对重金属元素的吸收受土壤元素含量的影响。
The correlate analysis shows that heavy metal element accumulation in periglacial plants is influenced by the heavy metal element content in soil.
论述了北京市土壤元素含量和农作物优质高产与土壤环境中化学元素有密切的关系。
This paper demonstrates elements contents of soil in BeiJing City and the high grade and yield of crops has closely relationship with the following soil chemical elements.
此外，林地内的土壤元素含量在病害侵入前后也会发生一定的变化：受到轻度砍伐的林地内其P、K含量较高，有利于提高树木对病虫害的抵抗能力。
Furthermore, proportion of total N, available P, available K in soil are dissimilar after the disease invaded: Capacities of resistance on disease will be enhanced if infect trees are cut appropriate.
它产生于铀衰变链中的镭，而铀是所有岩石和土壤中都能找到的一种元素，含量各不相同。
It is produced from radium in the decay chain of uranium, an element found in varying amounts in all rocks and soil.
摘要：磷元素植物生长必需的矿质元素之一，而土壤中可溶性磷的含量比较低。
Abstract: phosphorus is one of the essential mineral elements to plant growth, however, there is fairly less content of soluble phosphorus in soil.
查明了土壤和早实薄皮核桃叶片主要矿质元素含量的年变化规律。
The annual changes rule of soil and leaf mineral element contents of early bearing walnut were studied.
磷是植物生长必需的矿质元素之一，而土壤中可溶性磷的含量比较低。
Phosphorus is one of the essential mineral elements to plant growth, however, there is fairly less content of soluble phosphorus in soil.
选择赣南富稀土矿区典型环境地球化学景观，研究了稀土元素在土壤中的含量、分布及赋存形态特征。
The content distribution and speciation of rare earth elements (REE) of soils in a typical geochemical landscape (REE mine area) in southern Jiangxi Province were studied.
矿质元素含量与土壤质地密切相关。
The content of mineral element is correlated with soil textural composition.
深部土壤样品元素含量分布与隐伏构造之间有较高的空间对应关系。
Deep soil samples element content distribution and concealed structures have higher space between the corresponding relation.
随着土壤水分含量的提高，植株对矿质元素的吸收量显著提高。
With the improvement of the content of soil moisture, the mineral nutrition uptake amount improves notably.
利用盆栽实验研究了酸雨胁迫、稀土农用条件下，菠菜及其土壤中稀土元素的含量及分布特征。
The content and distribution characteristics of REE in spinach and soil under using REE and acid rain stress were studied by pot experiments.
在成土过程中，土壤微量元素的含量分布具有一定的规律性。
The contents and distribution of soil microelement follow certain regularity in the process of soil-forming.
土壤结构、成分、微量元素含量影响水的质量。
The soil structure, composition and content of trace elements affected the quality of the water in these areas.
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.
贵州省植烟土壤及烟叶中量与微量元素含量研究不足，烤烟生产微肥施用不合理等问题，已制约全省烟叶品质的提高。
There was shortage of research on the content of medium and micro elements, and how to manage the micro elements was restricted to the development of Guizhou flue-cured tobacco production.
硒是一种微量元素，土壤含量丰富，可由食物链吸收。
Selenium is a trace mineral that is found in the soil and becomes absorbed in the food chain.
综述了土壤中稀土元素含量、稀土赋存形态、稀土生物有效性、稀土在土壤环境中的分布规律、迁移方式及其影响因子。
In this paper, concentration, speciation, bioavailability, distribution, and mobility of rare earth elements (REEs) in the soil, as well as some relating facto rs were reviewed.
当地农户施用微量元素肥料很少，造成土壤有效铁、有效锰和有效铜含量的下降。
Trace elements fertilizer is rarely used in this region which leading to a decrease on the content of soil available iron, available Manganese, and available copper.
本文利用实验室实测的土壤反射光谱以及铅、镉、汞等重金属元素数据，进行土壤重金属元素含量快速预测的可行性研究。
This paper analyzed the possibility of reflectance spectra obtained under laboratory conditions for the assessment of Pb, Cd and Hg content in soil quickly.
以贵州开阳地区典型土壤为对象，研究了开阳地区土壤中硒元素的含量、分布及影响因素。
The typical soil types in Kaiyang region, Guizhou Province were selected as investigative objects, and the concentrations and distributions of Se in soils were studied.
因此，黄土-古土壤序列中元素含量的分布、化学综合参数等地球化学特征都对环境变化有直接的指示意义，代表了该区域化学风化的强度及时空规律。
Accordingly, the distribution of elements content and the chemical parameter all can show the variety of environment and intension of weathering in the Weihe Valley.
研究了梅州沙田柚两个果园的土壤养分、结果树营养叶片不同生育时期的矿质元素含量及季节性动态变化情况和各元素的相互关系。
The soil nutrients, the contents and seasonal dynamics of mineral elements as well as the relationship among the elements in leaves of fruit-bearing trees of Citrus grandis Osbeck cv.
不同产地土壤中营养元素对膜荚黄芪根中总黄酮、多糖含量具有一定的影响。
The relation with growth environment and the total flavonoid and polysaccharide contents in Radix Astragali root.
在测定土壤中可溶态稀土元素含量时，由于选用了新型提取剂(NMSNMSNRY)，使测得的土壤中可溶态稀士元素的含量与一些植物叶片中的稀土元素含量有很好的相关让。
Due to the selection of new soil extractant (NMSNMSNRY), correlation coefficients between rare earth oxide content in leaves of some plants and soluble rare earth elements in soil were very high.
分析结果表明，排土场土壤质地差、无任何结构、渗透性差、土壤坚实、有效水分及营养元素含量低。
The results show that the soil quality is poor, with low effective moisture and nutritional elements, without no structure.
土壤有效态微量元素的含量随着土壤有机碳含量增加而增大，但当土壤有机碳含量过高时，土壤有效态微量元素含量反而呈变小趋势。
The content of the available trace elements increased with that of the soil organic matter increasing, but decreased with much more that of organic matter.
土壤有效态微量元素的含量随着土壤有机碳含量增加而增大，但当土壤有机碳含量过高时，土壤有效态微量元素含量反而呈变小趋势。
The content of the available trace elements increased with that of the soil organic matter increasing, but decreased with much more that of organic matter.
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