1、

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

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2、

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。

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3、

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。

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4、

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。

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5、

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

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6、
8、

Study on the Benefit of the Orange-Peanut Compound System in the Low Hilly Sloping Fields of Red Soil

低丘红壤坡地柑桔&花生立体复合体系效益的研究

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9、

Slope Position Difference of Red Soil Water Retention in Low Hilly Area

低丘红壤不同坡位持水特性的比较

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10、

Impact of Land Use Models on Soil Erosion in Red Soil Hilly Area in Southern China

南方红壤丘陵区土地利用模式与水土流失规律研究

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11、

The surface crust of red soil formatted after rain has great impacts on runoff and sediment. It can affect the infiltration, evaporation and moisture of soil. Meanwhile the cycle of soil water may be changed by the surface crust.

红壤在降雨之后形成的地表结皮,不但影响土壤产流产沙,也影响降水入渗、水分从地表蒸发以及土壤水分状况,并可能改变土壤水分循环。

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12、

Labile organic matter and carbon management index in red soil under long-term fertilization

长期不同施肥下红壤活性有机质与碳库管理指数变化

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13、

Introduction of Winter Forage in Mountainous Red Soil and a Trial of Feeding Goose With Crock-foot Grass

山地红壤冬季牧草引种与鸡脚草喂鹅试验研究

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15、

It implies that with application of cultivation system and fertilization measures, the infertile red soil can be made into a soil with medium to high fertility in about 10 years rational utilization.

这分别是目前较高熟化程度、中等肥力、低肥力红壤旱地的含量水平。采用较合理的种植模式和施肥措施,瘠薄红壤或低肥力红壤的肥力可在10年左右时间恢复到中高度熟化水平。

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16、

green agriculture mode of paddy field in southern red soil hilly area and its supporting technologies

南方红壤丘陵区水田绿色农业模式及配套技术

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17、

the technology and efficient analysis of ecological orchard in red soil hills

红壤山地生态果园开发及成效分析

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18、

effects of intercropping economic green manure on yield and quality of citrus and ecological benefit in the orchard of red soil hilly region

红壤橘园间作经济绿肥的生态效应及对柑橘产量和品质的影响

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19、

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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20、

In all types of soil, lateritic red earth covered over 70 % of the total area, ranking first.

水稻土有较长耕作历史, 并已形成了潜育层和潴育层, 但土壤肥力并不高.

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