土壤质量

基于DNA编码的人工免疫模型在土壤质量评价中的应用

Artificial immune model based on DNA-encoding and its application in evaluating the soil quality

结果表明：利用GIS自动化评价土壤质量快速准确；

Results show that the soil quality evaluation based on GIS is fast and accurate .

基于3S技术的黄河三角洲土壤质量自动化评价方法研究

Research of soil quality based on 3S in the Yellow River delta

山体坡面不同坡位下土壤质量综合指数（PI）研究表明土壤质量指数随山体坡面位置相对海拔高度的降低而增高。

The research of the composite index number ( PI ) of soil quality in different soil locations suggests that , the soil quality index increases as the altitude of mountain slope location decreases .

介绍了基于GIS土壤质量等级评价的实现过程，探讨了土壤等级评价因子的选择和因子权重的确定方法。

This paper introduces the process of evaluating soil quality based on GIS , discusses how to select factors and to present powers to factors participating in evaluation in detail and points out the faults of AHP , PCA and LR .

根据国家土壤质量一级标准计算的底泥重金属潜在生态风险性指数（RI）表明，进水口区域为中等污染风险，而湖泊的围网养殖区处于轻度污染风险。

Ecological risk index of heavy metals in the sediment exhibited a medium pollution risk of combined heavy metals in infall port and low risk in the purse-net agricultural region .

本文运用相关分析法筛选土壤质量评价指标，确定其权重，通过GIS叠加分析划分评价单元，以隶属度模型和指数和法计算土壤质量综合指标值，进而评价土壤质量。

Correlation analysis was used in this paper to select indexes and weights for soil quality evaluation and the evaluation unites was divided by GIS overlay analysis . The soil quality comprehensive indexes were calculated by the membership model and the index summation method .

采用了综合土壤质量指数法（QI）与土壤退化指数法（DI）两种定量研究方法。

The soil qualities of six land use types ( natural forestland , grassland , shrubs land , secondary forestland , cultivated land and reforested land ) were compared using two quantitative methods : the integrated soil quality index ( QI ) and soil deterioration index ( DI ) .

土壤质量指数（SQI）计算结果表明，研究区土壤质量退化严重，总体处于较低水平。

The calculation results of the soil quality index ( SQI ) showed that soil quality had degenerated seriously and stayed at low level in the study area .

土壤质量监测数据挖掘模型的可视化

Visualization of data mining model for monitoring data of soil quality

园林土壤质量管理的探讨&以上海为例

Probe the Quality Management of Gardening Soil-Take Shanghai as an Example

土壤质量农业评价的物元模型

The matter - element model on agricultural evaluation of soil quality

土壤质量评价指标体系与评价方法研究进展与展望

The Progress and Prospect of Soil Quality Indicators and Evaluation Methods

综述了土壤质量评价指标体系和土壤质量评价方法。

The soil quality indicators and the evaluation methods were reviewed .

基于土壤质量的保护性农业技术及其政策取向

Technology and Policy Orientation of Conservation Agriculture Based on Soil Quality

红壤退化中的土壤质量评价指标及评价方法

Evaluation indexes and methods of soil quality concerning red soil degradation

基于核主成分-聚类分析的土壤质量评价方法

Evaluating Method of Soil Quality Based on Kernel Principal Component-cluster Analysis

我国植被恢复对土壤质量的影响研究综述

Review on Impact of Vegetation Restoration on Soil Quality in China

长江三角洲土壤质量演变趋势分析

Study on Soil Quality Change in the Yangtze River Delta

污水灌溉对作物产量及土壤质量的影响

Effect of Sewage Irrigation on Crop Yield and Soil Quality

北京地区草皮卷生产对土壤质量影响的研究

Studies on the effects of sod-production on soil quality in Beijing area

江汉平原林业用地土壤质量模糊综合评价

Fuzzy Multifactorial Evaluation of soil quality of woods site in Jianghan Plain

土壤质量指标是耕地分等指标的重要组成部分。

Soil quality criteria are the most important bases for farmland grading .

土壤质量-总含氮量的测定法-修改的hjeldahl法

Soil quality - determination of total nitrogen - modified method

黄栌林地表植物覆盖对土壤质量影响的研究

Study on Effect of Ground Covering on Soil Quality under Cotinus Coggygria

土壤质量标准是土壤环境质量评价的基础依据。

Soil quality standards are the basis for soil environmental quality assessment .

黄土丘陵沟壑区退耕草地土壤质量演变

Soil quality evolvement of farming-withdrawn grassland in hilly and gully loess regions

土属信息在土壤质量评价中的应用探讨

Application of soil basic classification information on soil quality evaluation

海南岛土壤质量系统评价与区域特征探析

Systematic assessment and regional features of soil quality in the Hainan Island

长期施用单一肥料对土壤质量的影响

Effects of Long-term Application of Single Fertilizer on Soil Quality