黄棕壤

  • 网络yellow-brown soil;yellow brown soil;yellow brown earth;Typicyellow-brownearth
黄棕壤黄棕壤
  1. 将该模型应用于土壤体系,上述参数较好地解释了金属Cu、Zn在红壤、黄棕壤、灰潮土上的吸附特点。

    The model was applied to the adsorption of Cu and Zn on red soil , Yellow-brown soil and grey chao soil .

  2. 第二部分:在恒温和除氧封闭条件下,通过批式试验研究了红壤、黄棕壤和黑钙土三种土壤对硫化物还原Cr(Ⅵ)的反应动力学。

    In chapter ⅱ, at constant temperature and in anaerobic conditions , the kinetics of chromium (ⅵ) reduction by sulfide was studied in three soils ( red soils , yellow-brown soil , chernozem ) in batch experimental systems .

  3. pH对黄棕壤重金属解吸特征的影响

    Effect of pH on desorption of heavy metals from yellow brown earth

  4. 不同pH下黄棕壤镉的吸附-解吸特征

    The characteristics of adsorption-desorption of Cd in yellow brown earth with pH

  5. 应用X射线衍射和化学分析等手段研究了红壤、砖红壤和黄棕壤中氧化铁类型及其与磷吸附和解吸的关系。

    The types of Fe oxides and their relation to phosphate adsorption or desorption on clay fractions were investigated by means of XRD and chemical analysis methods .

  6. 黄棕壤吸附磷酸根后对Cu2+吸附反应的速率下降;

    After phosphate adsorption , for yellow brown soil , the rate of Cu2 + secondary adsorption reaction decreased ;

  7. 不同处理下淋溶五次以后,棕红壤淋出液pH低于黄棕壤,可能与土壤pH与CEC含量有关。

    After five leaching , leaching solution pH of brown-red soil was lower than yellow-brown , which may be related to the content of pH and CEC in the soil . 3 .

  8. 在连续盆栽水稻、小麦的过程中研究了加入黄棕壤的Cu、Cd、Pb的毒性(发光细菌法)。

    The toxicity of yellow-brown earth added with Cu , Cd , or Pb was researched using the MICROTOX method in the process of successively growing of paddy and wheat in a pot experiment .

  9. 它导致黄棕壤Al-P减少,O-P和Ca-P增加;

    As for yellow brown soil , Al-P decreased , while O-P and Ca-P increased .

  10. 结果表明:经过14d培养后,茶叶轻微降低红壤和盐土的pH,对黄棕壤的pH没有影响;

    After 14 d incubation with tea powder and rice straw powder red soil and salt soil showed a slight decrease in the pH value , while yellow brown soil remained the original pH value .

  11. 本试验结果表明:在黄棕壤、两合土、沙土3种土壤中均有VA菌根真菌的存在,都以球孢霉属(Glomus)为主,以Gl。

    The results of the study showed that VA mycorrhizal fungi were present in all 3 soils . Most species belong to the genus Glomus with Gl .

  12. 采用批次吸附试验和土柱淋洗试验,研究了绿肥和污泥中水溶性有机物(DOM)对除草剂草萘胺在黄棕壤和石灰性潮土上吸附和迁移影响。

    Batch adsorption and column experiments were conducted to measure the sorption and leaching of napropamide in soils in the presence of DOM derived from green manure ( GM ) and sewage sludge ( SS ) .

  13. 在施用有机酸盐时,不同土壤中各无机磷组分对植物吸磷的贡献不一,黄棕壤上以Al-P和Fe-P为主,水稻土上以Fe-P和O-P为主。

    For the yellow brown soil , Al-P and Fe-P were the main forms . For the paddy soil , Fe-P and O-P were the main ones .

  14. 利用模拟淋溶实验测定了中国几种土壤(砖红壤、赤红壤、红壤、黄棕壤和紫色土)的风化速率,并研究了土壤pH值和降水量对土壤风化速率的影响。

    Through simulated leaching experiment , weathering rates of several soils ( including latosol , lateritic red earth , red earth , yellow brown soil and purplish soil ) in China , as well as the effects of soil pH value and precipitation rate on soils weathering , were studied .

  15. 土壤经外源铜人培30d后,恒电荷黄棕壤最接近自然污土中的Cu形态分布,但人培污土可溶态Cu含量偏高。

    When the exogenous copper was added into soil , after 30d , the Cu formation distribution of constant charge soil was close to that of natural soil , but in man-made Cu soil , the content of soluble Cu was higher .

  16. 从粘粒矿物组成和SiO2/Al2O3,判断,皖南山地上部不存在山地黄棕壤和山地棕壤。土壤垂直带谱主要由黄红壤和黄壤构成。

    Judging by the characteristics of the composition of the clay minerals and the silica-alumina ratios of clay , there are no mountain yellow-brown soil and mountain brown earth on the upper parts of the mountains in the southern Anhui Province .

  17. 黄棕壤中,与PEF的CPMI值相比,GM、FYM和FYM+NPK3个处理分别提高了50%、45.9%和21.9%,NPK和CK处理分别下降了6%和38.1%。

    In yellow brown soil , the CPMI of GM , FYM , FYM + NPK increased by 50 % , 45.9 % and 21.9 % , compared with reference , while that of NPK and CK decreased by 6 % and 38.1 % , respectively .

  18. 在黄棕壤上,上海青对DBP/DEHP的BCF值介于0.061~1.041之间;而在红壤上,BCF值均大于1.0(介于1.175-15.695之间),具有一定的生物富集作用。

    The BCF values of DBP / DEHP in yellow brown soil-Brassica campestris system ranged between 0.061 ~ 1.041 . The BCF values were greater than 1.0 ( ranging between 1.175 ~ 15.695 ) in red soil , with a certain degree of bioconcentration effect .

  19. 在酸性黄棕壤上,研究了种子钼对冬小麦幼苗NRA(硝酸还原酶活性)、拔节期地上部干物质重和小麦子粒产量的影响。

    The influences of seed molybdenum on nitrate reductase activity ( NRA ) in seedling stage , shoot dry matter in stem elongation stage and grain yields in harvesting stage were compared with molybdenum application among 34 winter wheat cultivars grown on acid yellow brown earths .

  20. 三种农药的降解实验结果表明,联苯菊酯、氯氟氰菊酯和溴氰菊酯在南京黄棕壤中的降解半衰期分别为63.59d,16.95d和10.61d,均属低残留农药。

    The degradation experiments indicate that the half-life values of bifenthrin , cyhalothrin and deltamethrin in the snuff soil of Nanjing are 63.59d , 16.95d and 10.61d respectively , they are all low-level residue pesticides .

  21. 结果表明:(1)从赤红壤、红壤到黄棕壤,永久负电荷量(CECp)趋于增大,主要与土壤的粘土矿物组成和粘粒含量有关;

    ResultS showed that : ( 1 ) From lateritic soil , red soil to yellow brown soil , the Permanent negative charge amount ( CECp ) which chiefly relates to soil clay mineral composition tends to increase ;

  22. 大围山土壤分布自下而上依次为山地红壤、山地黄壤、山地黄棕壤和山地灌丛草甸土,在海拔1100m以上的山间盆地和凹地间有草甸、沼泽土分布。

    Soil distribution from the foot to the top were : mountain red soil , mountain yellow soil , mountain yellow-brown soil and mountain meadow soil . Above the 1100 m of absolute altitude of the intermountain basin is bog soil .

  23. 主要研究结果如下:(1)采用批量平衡试验法,研究了模拟根系分泌物(ARE)及其低分子量有机酸(LMWOA)、氨基酸和糖等组分对黄棕壤吸附菲的影响。

    Main results are shown as follows : ( 1 ) The sorption of phenanthrene by Typic Paleudalfs was investigated in batch experiments designed to explore the effect of typical root exudates by addition of ARE , low-molecular-weight organic acids ( LMWOA ), amino acids and fructose .

  24. 其中黄棕壤与黄壤是全县主要植烟土壤类型。

    Yellow-brown soil and yellow soil is the main tobacco-growing soil .

  25. 新洲黄棕壤盆栽小麦肥料效应的研究

    Fertilizer Effects on Wheat in Pot with Xinzhou Yellow Brown Earth

  26. 用田间和室内实验,研究了黄棕壤和灰潮土在水旱轮作下的磷吸附特性及其影响的因素。

    Phosphorus sorption characteristics of soil were studied in this paper .

  27. 黄棕壤性水稻土镉临界浓度的研究

    Study on the critical cadmium concetration IN-YELLOW Brown Earth Paddy Soil

  28. 稀土元素在黄棕壤中的形态分配和转化

    Distribution and Transformation of Rare Earths in Yellow Brown Earths

  29. 过氧化氢对铬在黄棕壤中电动过程的影响

    Electrokinetic processes of chromium in yellow brown soil as affected by hydrogen peroxide

  30. 施加不同电压对铬污染黄棕壤电动过程的影响

    Electrokinetic treatment of a chromium contaminated yellow brown soil as affected by voltage