The recommended fertilization information management system is established by using the ActiveX development of geographic information system and soil survey data.
利用嵌入式地理信息系统开发技术，结合各种土壤信息数据，建立测土施肥信息管理系统。
The field survey and the data analysis show that the cause of soil drying in the Loess Plateau of northern Shannxi has two aspects: natural causes and anthropogenic causes.
野外调查和资料分析显示，陕北黄土高原土壤干化原因有两个方面：一是自然原因；二是人为原因。
This paper adopted the soil distribution area, sampling data and soil organic content from the first soil general survey and applied the technique of GIS to estimate soil carbon reservior in China.
根据中国第一次土壤普查得到的土壤各类型分布面积、采样数据、土壤有机质含量，运用GIS技术，来估算土壤碳库。
This classification has also been proved advantageous not only to discriminate the soils from the data of field survey or remote sensing, but also to determine the possibility of soil improvement.
这样的属性分类，还有利于野外识别土壤和确定其改良的难易程度，使调查成果发挥实效。
Having analysed the data of soil survey, the soil types have close relation to natural conditions and change with the external conditions.
本文对桃山林区土壤普查进行分析，土壤类型与自然条件密切相关，而且随着外界条件变化而逐渐变化。
By collecting and analyzing the survey data of runoff and sediment plots in soil and water conservation stations Xifeng et al.
在整理、分析黄土高原西峰等水土保持试验站径流、泥沙观测资料的基础上，研究了该地区水平梯田的蓄水保土效益。
There are three categories of geochemical exploration method deriving the deep mineral characteristics from the data, including: the normal (geochemical rock survey, geochemical soil survey);
可用于提取深部矿化信息的地球化化学方法，有三类：常规地球化学方法：岩石测量、土壤测量；
The original saturation distribution of reservoirs can be obtained through experimental research on soil-water characteristic curve of reservoir sample and in-situ survey data.
借助储层土体的室内土-水特征曲线并结合现场勘探资料，能够获得气藏初始饱和度分布。
The original saturation distribution of reservoirs can be obtained through experimental research on soil-water characteristic curve of reservoir sample and in-situ survey data.
借助储层土体的室内土-水特征曲线并结合现场勘探资料，能够获得气藏初始饱和度分布。
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