Effects of Humic Acid and Solution pH on Dispersion of Na—and Ca—Soil Clays

来源 :土壤圈:英文版 | 被引量 : 0次 | 上传用户:lan2009908
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Dispersed soil clays have a negative impact on soil structure and contribute to soil erosion and contaminant movement.In this study,two typical soils from the south of China were chosen for investigating roles of pH and humic acid(HA) on dispersion of soi
其他文献
The experiments were conducted in the artificial climate laboratory using 32P labelled soil and soil-root plane system to investigate phosphate distribution and
The effects of different types of Chinese fir stand,including those with varous composition (pure and mixed),in various cropping systems (first and continuous c
Laboratory incubation experiment was conducted to study the effect of lime nitrogen(LN) on transfor-mation of urea-N in three paddy soils.The results showed tha
Effects of temperature and drying and wetting alternation (DWA) on ammonium fixation in manured loessial soil were studied by means of Batch Equilibrium with va
Lichens play an unparalleledly vital role in weathering and soil-forming processes in Antarctic region,In this study some related chemical components and microm
Soil enzyme activities as affected by applied magnetic field were studied with three main soils (brown soil,black soil and albic soil) collected from Northeast
The changes in soil fertility under continuous plantation of Chinese fir were studied by comparing soil samples from different forest stands:the first and secon
A laboratory investigation on reaction between chelating agents and chromium was conducted to evaluate the effect of chelating agents on the adsorption and deso
The influence of soil chemical properties and soil nutrition on cotton yields was studied by means of establishing mathematical models.The nultivarate quadratic