砖红壤

热带地区砖红壤上不同土壤pH和含水量对尿素氨挥发的影响研究

Study on the Volatilization Difference of Ammonia from Latosols with Different Soil pH and Different Soil Water Content

试验结果如下：（1）在相同土壤含水量的各种母质砖红壤上，随着土壤pH的上升，尿素以氨挥发形式损失的氮量增多，损失率增大。

In experimental scope , along with the soil pH rise , the quantity of volatilization of ammonia increases in latosol soils with same soil water content .

阴离子对As（Ⅲ）在砖红壤与TiO2混合体系中的光催化氧化/吸附的影响

Influence of anions on photocatalytic oxidation and adsorption of As (ⅲ) on an oxisol with TiO_2

玄武岩砖红壤的活性Fe、Al、Mn含量显著高于浅海沉积物砖红壤；

The concentration of active Fe , Al , Mn in latosol derived from basalt is higher than that in latosol derived from shallow-sea deposit .

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 .

海南花岗岩砖红壤~（15）N示踪尿素氮的去向铅同位素动力学模型及其在示踪花岗岩成因中的应用

Study on the Behaviors of Urea-N in Latosol from Granite in Hainan with Isotope ~ ( 15 ) N LEAD ISOTOPE DYNAMIC MODELS AND THEIR APPLICATION TO GRANITIC GENESIS TRACING

从施用成本和增产效果综合分析，建议在热带砖红壤地区花生硅肥施用量为30kg/hm2（SiO2）；

The recommend quantity of silicon in tropic brick red soil is 30kg / hm2 by analysis the cost and employing effect .

砖红壤中的氧化锰能将As（Ⅲ）氧化为As（V），砷的氧化量在pH3~7范围内随体系pH的增加而减小。

As (ⅲ) could be oxidized to As ( V ) by manganese oxides in the latosol , while no appreciable redox reactions with As (ⅲ) were observed in the red soil .

砖红壤上木麻黄接种Frankia菌的研究

Study on Inoculation of Casuarina with Frankia on Latosol

采用玻璃土柱法研究了125I在华南地区砖红壤和水稻土中的淋溶和垂直迁移。

The leaching and vertical moving of 125 I in subtropics soils of south China were studied by soil volume .

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 .

根瘤分布在5～30cm深的侧根侧面；在砖红壤的土壤中，根瘤分布在地表0～10cm范围。

The most nodules were distributed in 5 ~ 30 cm depth of lateral roots in the coastal sandy soil and in 0 ~ 10 cm in the latosol .

海南岛花岗岩砖红壤中稀土、轻稀土、有效态稀土总量平均值均高于地壳的稀土总量平均值186μg·g-1；富集轻稀土；

The average gross of rare earth elements ( REE ), light rare earth elements ( LREE ) and available REE are higher than the crustal mean value of 186 ppm in granitic laterite in Hainan Island , which is rich in LREE .

同为可变电荷土壤，红壤PZC低于砖红壤，而可变负电荷量比砖红壤高。土壤表面电荷特征的差异，与它们的粘土矿物和铁、铝氧化物的组成和含量不同有关。

These differences between permanent charge and variable charge soils are related to the composition and the amount of soil clay mineral and Fe , Al oxides .

Cd2+的解吸过程分为快反应和慢反应，快反应过程在60min内完成（除砖红壤外），随后达到平衡状态。

Cd 2 + desorption could be divided into fast reaction and slow reaction . Except for latosols , fast reaction would be over during 60 min and be close to quasi-equilibrium .

研究结果如下：（1）砖红壤对各养分的吸附固定能力大小顺序为：BSCuKZn；

The results indicated that : ( 1 ) Latosol to various nutrient adsorption fixed ability size order is : BSCuKZn ;

磷肥在海南岛砖红壤中的转化和肥效

Transformation and fertilizer effect of superphosphate in laterite on Hainan Island

福建红壤和砖红壤性红壤粘粒矿物的研究

Clay mineralogy of red soils and lateritic red soils in Fujian

砖红壤及其矿物表面对重金属离子的专性吸附研究

Specific adsorption of heavy metal ions on latosol and its minerals

磷和砷专性吸附对砖红壤胶体动电电位的影响

Effect of phosphate and arsenate adsorption on zeta-potential of laterite colloid

砖红壤地区旱地土壤肥料养分淋失研究进展

Research Advances on Leaching of Fertilizer Nutrients in the Latosol Areas

施用不同土壤改良剂对砖红壤交换性能影响的初步研究

Effect of Different Soil Amendments on the Exchange Properties of Latosol

改性磷铵在砖红壤植蔗土上的施用效果

Efficiency of developed - ammonium phosphate application on lateritic sugarcane planting soil

活化磷矿粉在砖红壤上的施用效果

Effect of Application of Active Ground Phosphate Rock to Latosol

海南岛香蕉园砖红壤养分限制因子的研究

Researches On Latosol nutrient limit factor of Banana garden of Hainan Island

呋喃丹对海南花岗岩砖红壤微生物种群的影响

Effect of Carbofuran on microbial populations in Granitic Latosol of Hainan province

低分子量有机酸对砖红壤表面电荷的影响

Effect of Low-molecular-weight Organic Acids on Surface Characteristics of Latosols

砖红壤速效磷3种测定方法的比较

The Comparison of 3 Methods Testing Rapidly-available-phosphorus in Latosol under Different Vegetations

38℃的红色香茅在砖红壤上的肥料试验

Fertilizer experiments on citronella grass on lateritic red soil

不同母质砖红壤的磷有效性差异

The Difference between Availability of Phosphorus in Latosol Derived from Different Parent Material