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- Soil formation, or pedogenesis, is the combined effect of physical, chemical, biological, and anthropogenic processes on soil parent material. 土壤的形成，或成土作用，是综合效应的物理，化学，生物和人为过程对土壤母质。
- In general, the soil parent material, an important factor of the ecologic environment, always associates with the tea quality closely. 成果说明：作为外部生态环境重要因素的成土母质，和茶叶内部的生化性质有紧密联系。
- SOIL PARENT MATERIAL BASED GEOMORPHIC DIVERSITY IN HAINAN ISLAND, CHINA 海南岛成土母质的地形多样性分析
- soil parent material 成土母质
- The parent material can be either transported or residual. 母料可能是转移而来或积聚起来的。
- AP content was significantly different among different soil parent materials whereas significantly different among different geomorphologic conditions; 土壤速效磷含量在不同成土母质及地形地貌间呈显著或极显著差异；
- The absence of weathering parent material between soil and rocks makes calcareous soil unstable.Soil erosion at the rock-soil interface is a distinct character. 结果表明：土壤侵蚀，细粒物质减少，表层土壤消失，岩土界面缺少风化母质的过渡层，或者被裸露基岩取代；
- Parent material, whether residual or transported, is the basis of all soils. 母岩物质无论是残积的，或是搬运的，是所有土壤的基
- soil parent materials 成土母质
- The result of pot experiment displayed that the releasing ratio of the new fixed NH + 4 of overburden layer and loess parent material horizon in Lou soil was 98.32% and 95.09% respectively. 盆栽试验结果表明 :土娄土覆盖层和黄土母质层中“新”固定态铵的释放率分别为 98.;32%25和 95
- The distribution of the heavy mental elements (HMEs) in eluvial horizons, illuvial horizons and parent material horizons of 26 agricultural soil profiles in Hainan Island was studied. 采用现场采样及室内分析测试方法,对海南岛26个农业土壤剖面淋溶层、淀积层、母质层中7种重金属元素的分布特征进行研究。
- For the reseason of parent material, topography, climate conditions and cultivated history, the soil potassium content of Guizhou province is on the level of middel or higher in the beginning of '80. 因母质、地形、气候条件和垦殖历史等原因,20世纪80年代初贵州土壤钾素含量处于中等或较丰富水平。
- There is difference between contents of phosphorus in latosol derived from different parent material. 不同母质的砖红壤，其磷素含量有差异；
- In the area, the factor of landform, ground vegetation and parent material and hydrographical condition were surveyed. 考察研究了样区的地形地貌、植被、母质和水文等成土因素；
- Convenient construction, good binding ability with parent material; good plastic property and good fireproof and corrosion resistant. 施工简便,与基体结合性好;可塑性和耐火耐蚀性好。
- Organic mass in Bonan Depression is not only the hydrocarbon resource, also the parent material of organic acid of Bonan Oilfield. 渤南洼陷内有机质不仅是渤南油田油气的来源,也是有机酸的母质。
- A idea is put forward that the soldered areas of both the parent material preheated and that soldered are not allowed to be red or bright yellow when stainless steel parts are. 提出不锈钢钎焊时被预热和被钎焊的母材都不允许焊接区呈红色和亮黄色的新观点。
- Tensile strength of parent material and ARBed material increased with temperature rising, elongation increased at first, after it reached maximum, started dropping. 叠轧前后材料的抗拉强度随温度单调递减，延伸率则先升高，达到极值后降低；
- typical parent material red soil 典型红壤生土
- Earthworm activities and their functions in ecosystem are determined by various factors such as ecological groups of earthworms, population size, vegetation, parent materials of soil, climate, time scale, and history of soil utilization. 蚯蚓外来种入侵与生态系统的关系以及蚯蚓对全球变化的响应和影响是两个值得关注的问题。
