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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。
- 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；
- 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 materials 成土母质
- soil parent material 成土母质
- 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。
- The parent material can be either transported or residual. 母料可能是转移而来或积聚起来的。
- The result indicated that the GCA of 6W2 and W309 are high, they are excellent parent materials. 结果表明：亲本材料6W2和W309的一般配合力较高，是两个综合性状优良的亲本；
- The spotty saline soils: The characteristic parent materials in the basins are interbedded layers of light (sandy) and heavy (c... 山边均有不同高度的黄土丘陵及黄土阶地,组成高原特征;
- These differences show that choosing the male sterility type as parent materials can ensure the hybridism rate to be over 95%. 这一结果表明，选用柱头外露棉花药败育类型作杂交棉亲本材料，就可保证杂交率在95%25以上。
- Amplified TM image is interpreted on the family level by the comprehensive mapping technique which considers topograph, landscape,rock, and parent materials together. 应用“地形、地貌、岩性、母质综合影像制图技术”;目视解译TM放大图像;以土属为单位;其解译准确率在94%25以上;可解译图斑达98.;1%25。
- 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
- In XRF analysis process,the absorption intensification-matrix effect obviously exist,for the source and formation conditions of the analysed elements' parent materials are different. 在X射线荧光分析过程中,由于分析样品中元素的母质来源及形成条件不同,存在明显的吸收增强-基体效应。
- 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
- Meanwhile, had principium exploration on tissue culture system of fodder beet, all these works were purpose to provide pure parent materials with tissue culture for excellent triploid hybrid species. 同时还对饲用甜菜组织培养再生体系的建立进行了初步探索,旨在利用组培快繁技术为优良三倍体杂交种提供纯合的亲本材料。
- 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；
