purple soil

Research on the Improvement of Hilly Purple Soil through the Ridge Tillage Technique of Grain Crop, Cash Crop and Fruit Tree

粮经果复合垄作改善紫色坡耕地土壤的研究

Evaluation and Driving Mechanism of Land Degradation in a Sloping Field of Purple Soil in Three Gorges Reservoir Area

三峡库区紫色土坡地土壤退化程度评价及驱动机制

Studies on Potassium balance in purple soil rice field ecosystem

紫色土稻田生态系统钾素平衡研究

The Forming Characteristics and Property of Purple Soil in Zhejiang Province

浙江省紫色土的成土特征与性状

So it is suggested that we should combine the two measures in the purple soil region of Sichuan: in the steep slope we should return land from farming to forestry and in the gentle slope we should take the measure of changing slope to terrace.

因此，在四川紫色土地区，宜采用生物林草措施与坡改梯相结合的水土保持措施，在坡度较陡的地方退耕还林，在缓坡地带坡改梯。

The research results of vegetation recovery and soil erosion characteristic in corroded ditch of purple soil hills using plant-fencing are: ( 1) The balsamroot and giant reed can shape plant-fencing in half of year and the effect of preventing soil erosion is remarkable.

植物活篱笆恢复紫色土侵蚀沟植被及水土流失特征研究结果：（1）香根草、芦竹栽植半年即可形成植物篱笆，防治水土流失效果显著。

Nitrogen Loss from Slope Cropland of Purple Soil under Different Fertilization

不同施肥制度下紫色土坡耕地氮素流失特征

Experimental Study of Influence of Tillage Methods on Soil Loss from Sloping Farmland with Purple Soil

紫色土坡耕地耕作方法对土壤侵蚀影响的试验研究

Study on Phosphorus Leaching from Slope Cropland of Purple Soil

紫色土坡耕地磷素渗漏迁移初探

Influences of Slope Gradient on Erosive Rainfall Valves in Slope Cropland with Purple Soil

坡度对紫色土坡耕地侵蚀性降雨值的影响

Speciation distribution and its chemical, biological availability of arsenic, lead added in acid, neutral and alkali purple soil

外源砷、铅在三类紫色土中形态分配与其化学、生物有效性研究

Influence of slope gradient on runoff erosion of purple soil slope in the Three Gorges Reservoir area

坡度对三峡库区紫色土坡面径流侵蚀的影响分析

Purple soil region are abundant in hydrothermal resources and soil fertility, playing an important role in agriculture development of China.

我国紫色土地区土壤肥力高、水热资源丰富，是农业生产的重要基地。

Effect of Biogas Slurry Application on Yield, Nutrition Quality of Purple Cabbage and Soil Quality

施用沼液对紫甘蓝产量、营养品质及土壤质量的影响

Simulation Study on Rainfall Erosivity of Hilly Area of Purple Soil

紫色土丘陵区降雨侵蚀力模拟研究

Rain Infiltration Experiment Study Under Different Land Use Types of Purple Soil

紫色土不同土地利用方式下降雨入渗试验研究

The Effects of Purple Soil on Cotton Yield and Fiber Quality

紫色土壤施氮对棉花产量品质的效应

The yield gain order was as follow: yellow earth> alluvial soil> purple soil.

土壤类型不同，其施钾效应不同，增产效应依次为：黄壤>潮土>紫色土。

Study on the Application of the Sloping Surfaces Erosion Prediction Model in Purple Soil

紫色土坡面土壤侵蚀预测模型应用研究

Effects of cultivation system on nutrient cycle of purple soil

耕作制度对紫色土养分循环的影响

Study on Forecast Model of Process of Soil Infiltration in Purple Soil

紫色土土壤入渗过程预报模型研究

Application of SCS Model to Estimate the Volume of Rainfall Runoff in Sloping Field of Purple Soil

SCS模型在紫色土坡地降雨径流量估算中的运用

Study on the character of main purple soil EC and effect factors

主要紫色土电导率特征及其影响因素研究

Analysis of Soil Quality in Different Landscape of Reddish-brown Purple Soil in the Middle Part of the Sichuan Basin

红棕紫色土不同地形部位的土壤质量分析&以川中丘陵区为例

Nitrogen output and transportation observation was conducted in surface runoff plots of different purple soil farmlands.

研究表明:紫色土早坡地非点源氮输出以无机氮和颗粒态为主,全氮输出量不高.

Interflow Occurrence Characters and Their Analysis on Slope Cropland with Purple Soil

紫色土坡耕地壤中产流特征及分析

Effect of Different Control Measure on Bioactivity of Purple Soil

不同治理措施对退化紫色土土壤生物学活性的影响

Numberical Classification of Plant Community on the Purple Soil Slope in Hengyang Basin

土壤植物群落分布区衡阳盆地紫色土丘陵坡地植物群落的数量分类

Simulated rainfall was used to study the mechanism of interflow on slope cropland of purple soil.

利用人工模拟降雨研究了紫色土坡耕地壤中流产流规律。

Preliminary Study on Seasonal Variation and Water Budget in Slope Farmland of Purple Soil

紫色土坡耕地水量季节变异特征与平衡初步研究