red soil

In the red soil region in the south of China, serious seasonal drought exists. It is important to quantify the soil drought degree and soil-crop drought threshold for drought evaluation and soil water management.

我国南方红壤地区存在严重的季节性干旱，定量研究土壤干旱程度并确定土壤&作物系统干旱阈值对干旱评价和土壤水分管理具有很重要的意义。

Hilly red soil with various landscape position and soil utilization styles were sampled and analyzed, results shows that effects of landscape variation and soil utilization styles on soil properties and soil water characteristics were obvious.

对不同地形部位和不同利用方式下的低丘红壤进行了采样和分析，结果表明地形变化和利用方式对土壤的理化性质和水分特性有明显的影响。

There are natural red soil, rocky soil, coastal sand, swamp soil salinization, and so on.

自然土壤有赤红壤 、 石质土 、 滨海沙土 、 盐渍沼泽土等.

This study uses CaCl 2-Ca ( OH) 2 neutral titration combined with soil-limestone cultivation to select optimum adding dose of limestone in acid red soil.

应用CaCl2-Ca（OH）2中和滴定法与土壤&石灰培养法联合确定红壤中石灰石的最佳投加量。

Choose two villages, direct against the stone material building, wooden building, immature soil architecture, blue brick building, the red brick building, within the same period, carried on temperature survey. The time to measure each site is roughly one week.

选择了两个村落，针对石建筑、木建筑、土建筑、青砖建筑，红砖建筑，在相同时段内，进行了温度测量，每次测量的时间大致为一个星期。

Response of Farm Households' Behavior to Regional Agricultural Industrial Policy Reform and Analysis of Effect of Soil and Water Conservation in Red Soil Area of Jiangxi Province& A Case Study of Shangrao County

江西红壤区农业产业政策改革的农户行为响应与水土保持效果分析&以江西省上饶县村庄及农户调查为例

Physical and chemical properties of 3 types of red soil in the oil-tea camellia woods of Hunan, China were studied.

对湖南省株洲市、桃源县和蓝山县等3处的油茶林红壤的物理化学性质进行了研究。

The value of Gibbs free energy function change was less than 40 kJ · mol-1, which showed that the sorption of sulfadiazine in black soil and red soil all belong to physical adsorption. 2.

吉布斯自由能ΔG值小于40kJ·mol-1表明磺胺嘧啶在黑土与红壤中的吸附均属于物理吸附。

Five sequential cropping systems including rape/ soybean rice, wheat/ watermelon rice, rape/ corn soybean, wheat sesame and soybean sesame, were selected study the boron balance in agroecosystem on brown red soil of south Hubei Province.

以湖北省咸宁市贺胜桥镇上孟村农田生态系统为研究对象，分析了当地油/豆稻、麦/瓜稻、油/玉米大豆、小麦芝麻、大豆芝麻等5种种植方式的B素平衡。

Effect of Ecological Fluid soil Conditioner on Soil and Water Loss in Hilly Red Soil Regions

液体地膜防治丘陵红壤地区水土流失的研究

Negative charges decreased slightly in latosol with less negative charges in the range of pH7. On the other hand, the negative charges in yellow earth and red soil with more negative charges decreased and increased obviously at low pH and high pH respectively.

带负电荷多的黄壤和红壤包铝后在低pH时负电荷明显减少，而高pH时负电荷明显增大；

Effects of Zn on the growth and Zn nutrition of tomato in dry red soil

红壤旱作土施Zn对番茄生长及Zn营养的影响

Red soil lacks organic matter.

红土缺乏有机物质.

Mineral constituent and charge properties of forest red soil and yelow soil in Southwest

西南森林红、黄壤矿物组成及电荷特性

Application of neutron activation analysis technique for investigation on erosion of red soil in sloping fields

中子活化分析技术在野外红壤侵蚀研究中的应用

The order for the starting time of runoff generation was: purple, red soil and loess.

坡面起始产流的先后顺序为：紫色土、红壤、黄土。

A Study on the Temperature Effect on the Structural Strength of Granite Residual Red Soil

花岗岩残积红土结构强度的温度效应研究

Nutrient cycling, balance and regulation in red soil agroecosystem

红壤农业生态系统养分循环、平衡和调控研究

Evaluation on comprehensive benefits of multiple cropping systems on upland red soil

红壤旱地多熟种植系统的综合效益评价

Dynamics and rational adjusting of surface water resources in hilly red soil regions

红壤丘陵区地表水资源动态与合理调蓄利用研究

In the relatively dependent and most integral unit of catchment area in hilly red soil landscape, we study the yearly dynamics of surface water resources including rainfall, evapotranspiration and water storage.

以红壤丘陵景观中相对独立且整体性强的集水区为基本单元，重点研究了集水区内降水、蒸散、水量蓄存等地表水资源的年变化。

Water retentivity for low retentive section of red soil in South Guangxi

桂南地区赤红壤低吸力段持水性能的初步研究

The hipparion ( n_2) red soil and its engineering geological characteristics in abag banner, nei Mongol Autonomous Region

内蒙古中部阿巴嘎地区的三趾马（N2）红土及其工程特性的形成

The Cultivated Model of Red Soil Sloping Fields and a Preliminary Report on the Monitoring of Soil Erosion

红壤坡地耕作模式与水土流失监测初报

Monitoring the Corrosion Depth of A3 Steel in Red Soil by Continuously Measuring its Resistance

电阻法连续监测A3钢在红壤中的腐蚀深度

The resultshows: 1.the soil erodibility of seven soils is yellow earth> brown purple soil> red brown purplesoil> grey alluvial soil> red purple soil> yellow red purple soil> darkbrown purple soil;

结果表明：（1）7种土壤的抗蚀能力大小依次为：冷沙黄泥＞棕紫泥＞红棕紫泥＞灰色潮土＞红紫泥＞黄红紫泥＞暗棕紫泥；

The leaching characteristics and vertical transport of zirconium 95 in two representational soils ( panfan red soil and red yellow earth) in Zhejiang province were studied with soil pole simulation installation.

采用模拟土柱法研究了放射性锆（95Zr）在两种红壤（泮畈红壤和红黄壤）中的淋溶特性和垂直迁移。

The main cover is the broadleaf forest on red soil of basaltic rock and limestone type, the mixed forest on red soil of metamorphic rock, silt sandstone and Q2 type, and the conifer forest onred soil of granite type in South china.

华南玄武岩型、灰岩型红土上覆植被以阔叶林为主，变质岩、粉砂岩、北海组（q2）型红土为针阔叶混交林，花岗岩型红土则以针叶林为主。

After cultivation, the characteristics of each complex in red soil varied with the fertility promotion condition, the degree of mellowing and the pattern of ultilization.

阳离子代换量逐渐下降。红壤垦植后因土壤的培肥条件、熟化程度和利用方式等不同，各复合体性质也发生相应的变化。

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.

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。