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- It has been a hotspot to use the geostatistics combined with GIS to study the soil spatial variability at present. 利用地统计学，结合GIS技术来研究土壤性质的空间变异，已成为目前土壤学研究的热点之一。
- Soil spatial variability, as research focus in soil sciences, has caught wide attention, but its quantitative description has been perplexing the penologists all the time. 土壤空间变异作为土壤科学研究中的热点,引起了广泛的关注,但其定量描述一直困扰着土壤学家。
- To develop precision agriculture in China, research needs to focused on database based on GIS, soil spatial variability, data collection of soil characteristics, deciphering of remote sensing information, variable rate technology, etc. 从基于GIS的数据库建设、土壤性状空间变异理论、土壤性状的数据采集、遥感信息解译、农业机械变量控制技术等方面介绍了实现我国精准农业还需研究的问题等。
- Soil spatial variability 土壤空间变异
- Spatial variability of soil water retention curves on a forested hill-slope. 森林流域坡面林地土壤水分运动特征参数空间异质性研究。
- Statistical parameters of soil sampling data and its spatial variability. 田间土壤采样数据的统计特征与空间变异性研究。
- Spatial variability of soil moisture in the irrigation district is analyzed by integrating Geostatistics and general theory of statistics. 将提出的墒情监测方法及区域土壤水分预报方法，应用于构建整个灌区的实时灌溉预报模型之中，并在灌溉预报过程中进行实时修正。
- The reasonable sampling number of grassland soil nutrients should be based on classic statistical characteristics and spatial variability. 草地土壤有机质合理采样数应建立在统计特性和空间结构性基础上。
- The spatial variability of soil organic matter and phosphorous content was larger than that of the other nutrient in topsoil of artificial forestland. 人工林表层土壤养分中有机质和速效磷的空间变异性较大;
- Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%. 经典统计学方法分析表明，在小流域尺度下土壤可蚀性K值存在很强的空间变异性，其变异系数达39.;94%25。
- GIS will be a very useful working platform for spatial variability analysis of soil nutrients and precision agriculture and sustainability agricultural eco... 以GIS为工作平台利用地统计学等先进方法分析区城土壤养分的空间分异特征时精准施肥、保护生态环境和优化农业生产管理有着重要的意义。图3,表1,参9。
- The main innovations and ameliorations are as follows:Firstly, based upon the study on spatial variability of soil water, soil moisture monitoring method is brought forward. 论文的主要改进及创新：(1)研究了灌区土壤水分空间变异性，并以此为基础提出了较为合理的灌区墒情监测方法。
- The result showed that there existed spatial variability of soil nutrients.N, P and K had medium variability, which were mainly affected by routine fertilization measures. 结果表明，土壤养分性质均存在着空间变异性，受常规施肥措施影响较大的碱解氮、速效磷、速效钾变异相对较大；
- With global warming, the temporal and spatial variability of soil respiration and its sensitivity to temperature has been a central interest to ecologist in global change field. 随着全球气候变暖趋势逐渐明显，土壤呼吸的时空变异及其对温度变化的响应已成为生态学研究的重要内容之一。
- Research on soil spatial heterogeneity and pattern of Huangniling red soil watershed. 黄泥岭红壤小流域土壤的空间异质性与格局研究。
- According to the spatial variability characteristics of soil nutrient contents in the Guifeng Section,the soil nutrient contents were greatly affected by the mode of land use by man. 利用地统计学方法对龟峰段土壤养分的空间变异性研究表明:龟峰段土壤养分含量的空间变异强烈地受到人类土地利用方式的影响。
- Geo-statistics analysis of these data demonstrated that spatial variability of soil total P, Bray-P, CaCl_2 extractable P were obvious, and the high-P fields appeared at the shores of Zhudu, and Linzhuang harbors. 地统计学分析表明:土壤P(全P、Bray P、CaCl2浸提水溶P)呈明显空间变异;土壤高P区出现在朱渎港、林庄港两村庄附近.
- The spatial variability of regional water requirement(WR) and water deficient ratio(WRD) are studied with geostatistics. 应用地统计学方法研究区域需水量和缺水率的空间变异性。
- According to the basic finite element theory in the pile-soil structure,the contact model of single pile-frozen soil spatial system is erected and analyzed statically using ANSYS. 根据桩土结构的有限元基本理论,基于ANSYS有限元软件平台,采用三维接触单元建立单桩桩-冻土空间体系的接触模型进行静力分析。
- The spatial variability of regional water requirement (WR) and water deficient ratio (WRD) are studied with geostatistics. 摘要应用地统计学方法研究区域需水量和缺水率的空间变异性。
