abstract soil quality evaluation is an essential issue in soil management for agriculture and natural resource protection. soil quality indices are useful tools for determination and comparison of soils quality. using of principle component analysis in this study we selected 6 important properties as a soil quality minimum data set (mds) among 18 soil properties (tds). then, soil quality of agr...

Taking the small watershed in Tanxia town as an example, classified investigation of agricultural non-point source pollution tributaries Lijiang River was carried out, sources local were analyzed, and surface water environmental quality standard Nemero index method used to evaluate basin. The results show that basin is poor exceeds all year round, mainly depends on chemical fertilizer. Improvin...

assessment of soil quality is one of the most useful tools for evaluation the soil management condition and different land uses. quantity indices of soil quality are most suitable methods for determination and comparison of soils quality. in this study soil quality indices and selection methods of effective soil properties were compared for evaluating the soil quality in different land uses. se...

The assessment of the impact abandoned mine water on underwater environment is critical for protecting and restoring groundwater environment. Taking coal mining area in west Zhangqiu District as engineering background comprehensively considering regional chemical characteristics data during wet dry seasons, main ions, hydrochemical types, ion correlations with components were analyzed using mat...

evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...