In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
在基于GIS的土壤资源管理信息系统中，最基本的操作是对地图的操作、属性数据的查询和统计以及空间数据的查询。
Pollution to soil can be reduced by changing farming method and management system.
通过改变耕作方法和管理制度，减轻对土壤造成的污染。
To establish a soil resources information system for site specific management is essential for rational development and utilization of wide spread red soil resources in southern China.
研究建立土壤资源信息系统，实现土壤资源定位管理，是合理开发我国南方大面积红壤资源的前提。
The flat land and sparse population and relative lean soil cause forest management to depend on mechanization and intensive cultivation and old-aged harvest system.
土地平整、人口稀少、土壤肥力较低，是该林业公司机械化作业、集约化经营、主伐年龄较大的缘由。
Adopting appropriate irrigation system and soil management practices, the return water with low degree of mineralization can be reused.
采用混灌轮灌和良好的土壤改良管理措施，回归水可开发利用。
Research on soil moisture movement of drip irrigation, is the right design system and the premise and basis of field crops to high water management.
滴灌条件下土壤水分运移规律的试验研究，是正确设计滴灌系统和对田间作物水分进行精准管理的前提和基础。
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。
High rainfall variety and poor management of soil and water are the most important and limiting factors in crop system in this region.
年度降雨分布的极度不均和落后的土壤及水分管理措施是制约该地区农田生产力的主要因素。
The effective hemisphere model (EHM) lodged by BenAsher can apply in drip irrigation system design and field crop soil water management.
由Ben - A sher等提出的等效半球模型EHM (EffectiveHemisphereModel)可用于滴灌系统设计和田间滴灌作物土壤水分的管理。
SOTER Project utilizes information technology to develop a world soil and terrain database, containing digitized map units and attribute data in a rational database management system.
本文介绍SOTER项目是利用目前已有的信息技术，建立一个包含数字化的地图单元和它们属性数据的世界土壤和土地数据库。
Primary application showed this system is very useful for small catchment management of soil conservation.
应用结果表明，该系统对于小流域水土保持综合治理有重要的意义。
The article studies the effects on spruce fir forests' litter and soil moisture content and litters' decomposing rate under different management system in north Changbai Mountains.
论述了检查法(少量、多次择伐法)不同作业方式对长白山北部云冷杉林下枯落物、土壤含水量及枯落物分解速率的影响。
The article studies the effects on spruce fir forests' litter and soil moisture content and litters' decomposing rate under different management system in north Changbai Mountains.
论述了检查法(少量、多次择伐法)不同作业方式对长白山北部云冷杉林下枯落物、土壤含水量及枯落物分解速率的影响。
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