red-yellow soil

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.

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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

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The model, technology and benefits of building ecological orchard in hilly red soil region

红壤丘陵区生态果园建设的模式、技术与效应

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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。

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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。

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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

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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。

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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

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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。

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Red soil lacks organic matter.

红土缺乏有机物质.

《简明英汉词典》