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土壤科学
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  soil science
     Soil science major tasks and challenges for the 21~(st) century
     21世纪土壤科学的主要任务及挑战
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     Discussion on the Development of Soil Science in China:Challenges and Tasks in the 21st Century
     21世纪中国土壤科学面临的挑战与任务
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     Development of sustainable agriculture and soil science in the southwest China
     西南地区农业可持续发展与土壤科学
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     Theory and practice of soil science development in China
     中国土壤科学发展的理论与实践
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     DEVELOPMENT AND INNOVATION OF MODERN SOIL SCIENCE
     发展与创新现代土壤科学
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  soil sciences
     The Soil Sciences and Agriculture Modernization Construction in China
     土壤科学与中国农业现代化建设
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     Utilization and Perspective of Geostatistics in Soil Sciences
     地统计学在土壤科学中的应用及展望
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     Utilization of Geo-statistic with GIS in Soil Sciences
     基于GIS的地统计学方法在土壤科学中的应用
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     It's an important issue to use and share the information of soil sciences.
     如何使用和共享现有的土壤科学数据一直是一个重要问题。
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  “土壤科学”译为未确定词的双语例句
     It is a scientific theme of soil in the 21st century in China that improving soil quality promotes agriculture to develop continuously.
     提高土壤质量促进农业持续发展是中国21 世纪土壤科学的主题。
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     (2)SOTER is up to date method in the world and has a series oftheory system.
     (2)SOTER方法作为目前国际上土壤科学的前沿研究方法,有其自身的理论体系。
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     According soil quality situation of urban green space in Shenzhen city, some measures and suggestions were put forward for soil scientific management.
     根据深圳城市绿地土壤质量状况,提出了加强深圳城市绿地土壤科学管理的措施和建议。
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     The fractal theory of soil will provide scientific basis for management of forest land soil.
     分形理论为林地土壤科学管理提供了理论依据。
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     Soil classification reflects level of the overall research in pedology.
     土壤分类是土壤科学综合研究水平的反映。
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  soil science
The 50th Anniversary of the Department of Soil Biology, Faculty of Soil Science, Moscow State University
      
The potential, state of the art, and outlooks of using the pedotransfer functions concept in soil science were analyzed.
      
The role of women in the development of Russian soil science is analyzed.
      
Four generations of women working in soil science are distinguished.
      
There were three periods of the increasing role of women (waves of feminization) in the development of Russian soil science.
      
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  soil sciences
Targulian: Winner of the first dokuchaev basic soil science award of the international union of soil sciences
      
Research specialist in potato variety development and production management Department of Crop and Soil Sciences Michigan State
      
There is a variety of methodologies used in the aquatic sciences and soil sciences for extracting different forms of Si from sediments and soils.
      
By contrast, in the soil sciences no correction methods are used although pedologists are well aware of the overestimation of amorphous silica by the NaOH extraction, which is most commonly used to extract silica from soils.
      
This article analyzes the production and diffusion of the scientific products of sixty-one researchers in soil sciences belonging to ORSTOM.
      
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According to the dissipative structure theory conceived by the Belgum Brussells school led by Prigogine, the soil treated as an open irreversible non-equilbrium systems, it might necessary to have energy flows into or out of the soil systems during fertility process so that we could write for the differential change in entropy: Ds=Dis +Des where Dis is due to changes within the system and Des is due to flow of energy into the system from the exterior. The soil systems is an open system, substances and energy...

According to the dissipative structure theory conceived by the Belgum Brussells school led by Prigogine, the soil treated as an open irreversible non-equilbrium systems, it might necessary to have energy flows into or out of the soil systems during fertility process so that we could write for the differential change in entropy: Ds=Dis +Des where Dis is due to changes within the system and Des is due to flow of energy into the system from the exterior. The soil systems is an open system, substances and energy may be added or removed from it, we can see the phenomenon of soil fertility as the Benard effect in the hy- drodyuamics of a heated fluid, there dissipative structure appears only when the system is reacting far from equilibrium. Considerable flow of energy along the input gradient in the systems provides the possibility for a dissipative process to occur, which maintains the interior of the system is the form of energy and mass flow that is far moved from equi(?)brim or even from the steady form of energy transformation. Soil fertility is a dynamic process which includes nonlinear steps, the value of soil fertility would not become synonymous of soil physical and chemical properties but depends on the forms of soil management varies with different crops and climats, it is a total function of the whole solum-plant-environment system the concepts of which are different from the classical concepts of pedology; in author's opinion, the classical pedology is not true soil science but solum science. According to the theory of dissipative structure, the change of soil fertility may be mathematically defined as follows: (dx)/(dt)=F x+Gu where dx/dt denotes the change of soil fertility, F→ denotes the structure states of the systems and G→ denotes the input of energy, if maintain the systems structure constant the soil fertility only depends on the input of energy, it means that the spaitial distribution of agricultural soil fertilty is not randomized but depends on the local position and energy sources, men are energy sources, so the fertility of agricultrual soils was related to the density of population, this may be reconized as a population soil fertility law. Soil systems are dissipative structures either in spatial distribution or in time sequence, and the electrode electric current could use as an index of vibration of soil—fertilizing factors. The concept of soil entropy was proposed out in this paper. The concept of entropy production in soil systems which is the site of irreversible process and plays an important role in non-equilibrium systems. The increase in entropy means decrease in order or increase in disorder, it is possible to obtain a quantitative relation between entropy and soil fertility.More concepts such as soil automatic control function and the law of yield worth feedback of soil fertility which were also proposed out, the disscusion of these definitions has been given in detail in this paper. All of these new concepts are used to develop a new science so-called system pedology and the dissipative structure theory which is the theoretical basis of this new science. If we want to apply soil science to prat(?)tive better, we shall need to formulate this new science.

本文应用Prigogine提出的耗散结构理论于土壤肥力研究,指出土壤乃是一个开放的、非均匀和非平衡的、以不可逆热力学过程为特征的系统。它不仅在空间上是一个耗散结构,而且在时间上和功能上都是一个耗散结构。作者提出了土壤肥力的人口定律,指出农业土壤肥力是人口密度的函数。人口密度在空间上的不均匀分布,决定了农业土壤肥力的不均匀但有规则的分布。在时间上做为一个耗散结构,则可用植物—土体系统电极电流随时间的振荡做为一个说明。文中提出了土壤熵的概念,指出土壤中物质能量的聚散同结构有序度的联系。提出了简化的土壤肥力系统分析的数学模型,说明土壤肥力的变化被决定于系统的结构状态和能量的输入。作者区别了土体肥力性质和土壤肥力的概念,认为土壤肥力不是各种土体肥力性质的线性叠加,而是土体一植物一环境系统整体功能的表现。文中讨论了土壤肥力自动调节的概念,土壤对外界环境条件变化之适应,被认为是土壤系统自组织化或自动调节功能之本质。文中还提出了土壤肥力产值反馈的概念,并讨论了耗散结构理论应用于土壤肥力研究对发展土壤科学和服务于生产的实际意义。

Centered on the 14th Soil Congress (ISSS), the author interprets the newest progresses made in aspects of international soil classification, soil survey and mapping, soil and terrain digital database, soil geography of East Asia and global soil changes, and based on them indicates that internal research work which will be placed under the final consideration of global soil changes should be enhanced on Chinese Soil Taxonomic Classification, soil and land digital database at scale of 1: 1 million and soil geographic...

Centered on the 14th Soil Congress (ISSS), the author interprets the newest progresses made in aspects of international soil classification, soil survey and mapping, soil and terrain digital database, soil geography of East Asia and global soil changes, and based on them indicates that internal research work which will be placed under the final consideration of global soil changes should be enhanced on Chinese Soil Taxonomic Classification, soil and land digital database at scale of 1: 1 million and soil geographic information system, so as to keep soils from degradation and to have our agriculture develop sustainable

作者围绕14届国际土壤科学大会,介绍了国际土壤分类、土壤调查制图、世界土壤和土地数字化数据库、东亚土壤地理和土壤全球变化等方面研究的最新进展,指出我国应把土壤地理研究置于全球变化的总目标下,加强中国土壤系统分类的研究,开展1∶100万土壤—土地数字化数据库的工作、建立土壤地理信息系统以及防治土壤退化保证农业的持续发展。

Quantitation and standardization of soil classification are the development-mark and inexorable trend of modern soil science. 8 variation indexes that obviously affect the variation of different cinnamon soils are chosen in this paper, then using FA-COM--340S computer to have 37 cinnamon soft samples classified. Through checking the

土壤分类定量化、规范化是当今国际土壤科学发展水平的标志和必然趋势,本文选取8项影响褐土分异的分异特性指标,利用富士通M—340S中型计算机,对37个褐土样本进行判别分类,通过与以诊断特性为依据进行的初始分类比较,两者之间有良好的相关性。

 
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