土壤阳离子交换量
- 网络cec;cation exchange capacity
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土壤阳离子交换量在上海城市土壤质量评价中的应用
Application of soil CEC to evaluation of soil quality in Shanghai
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土壤阳离子交换量、活性铁、锰和有效锌含量均较高,符合一般作物的需要;
CEC , active Fe , Mn , and available Zn were in high levels .
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K2C2O4-KCl法快速测定石灰性紫色土壤阳离子交换量
Determination of cation exchange capacity in calcareous purple soil with the k_2c_2o_4-kcl double-quick exchange method
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土壤阳离子交换量(CEC)及交换性Ca、Mg也都表现出相同的变化趋势。
The cation exchange capacity ( CEC ), exchangeable Ca and exchangeable Mg had the same trend .
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其影响因素主要有成土母质、粘土矿物组成、土壤阳离子交换量、pH值、有机质含量、碱解氮含量和土壤溶液中铵离子浓度等。
The soil factors affecting the capacity of fixing-ammonium in tested soils were mainly parent material , soil clay composition , pH , CEC , organic matter , available N and concentration of NH4 + in soil .
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相关分析说明,土壤阳离子交换量(CEC)及粘粒含量是影响吸附平衡时间、吸附平衡量的重要因素;
Correlation analysis indicated that soil cation exchange capacity ( CEC ) and clay content were important factors that affected the time and the capacity of K + equilibrium adsorption ;
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各处土壤阳离子交换量都处于10~20cmol(+)kg-1之间,属于保肥力中等的土壤,且果园>水田>大棚>露地。
The cation exchange capacity of all the sites varied from 10 to 20 cmol ( + ) kg-1 , indicating that the fertility hold capacity of Jiading soils was moderate .
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有机质与粘粒复合对土壤阳离子交换量的贡献
Contribution of Organic Matter and Clay Complex to Cation Exchange Capacity in Soils
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青海省土壤阳离子交换量与有机质和机械组成关系的研究
Study On Relationship Between Organic Matter , Soil Fractions and CEC in Qinghai Soil
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土壤阳离子交换量的变化与欧洲栎生长势的研究
Study on the Response to Growing-power of the European Oak to the Change in Exchangeable Cation in Topsoil
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而且,有机肥与化肥配施能提高土壤阳离子交换量,增强土壤有效氮磷钾营养元素的释放。
In addition , the combination of organic manure and chemical fertilizer could increase soil cation exchange capacity , and enhance the release of soil available nitrogen , phosphorus and potassium .
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再生水灌溉和清水+再生水交替灌溉提高了土壤的阳离子交换量(CEC)和总孔隙度,有利于土壤物理性状的改善。
Irrigation by reclaimed water and fresh + reclaimed water increases Na ~ + , CEC , and total porosity of the turf soil in comparison to fresh water , and improves soil quality .
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酸性土壤的阳离子交换量在熟化过程中是逐步增加的,而紫色土则是逐步减少。
With the mellowing process , CEC of acid soils was increased and it was decreased in purple soil .
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黄土高原小流域土壤pH、阳离子交换量和有机质分布特征
Distribution characteristics of soil pH , CEC and organic matter in a small watershed of the Loess Plateau
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主要结果如下:(1)种植年限对茶园土壤pH、阳离子交换量、有机C、全N、全P含量的影响均达到显著水平(P0.05)。
The main results are as follows . ( 1 ) The pH value , caption exchange capacity , organic C , total N and total P content ( P0.05 ) in tea garden were significantly affected by planting years .
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本文研究了鄂西天宝山、武当山、星斗山等山地土壤胶体的阳离子交换量(CEC)与其固相组成的关系。
The cation exchange capacity of mountain soil colloid in western area of Hubei province and its relation to solid phase components were studied .
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各试验区土壤pH值、阳离子交换量较对照无显著变化;土壤表层有机质、全氮、速效钾含量较对照显著增加;土壤速效磷含量显著增加。
Compared with the control , soil pH and cation exchange capacity of each test area have no significant change , but available phosphorus increase significantly . Organic matter , total nitrogen , and available potassium in soil surface significantly increase compared with the control .
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不锈钢尾渣的施用可提高土壤p11值、阳离子交换量和速效磷含量;降低速效钾含量;但对土壤有机质和全氮含量影响不显著。
The application of stainless steel slag can increase soil pH , soil cation exchange capacity and available P content , but have no significant impact on soil organic matter and soil total nitrogen , but reduce available K content .
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呈贡县蔬菜土壤有机质、阳离子交换量及分布特征研究
Research on Organic Matter and Cationic Exchange Content of Soil Planting Vegetable in Chenggong County
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土壤的缓冲性能与各土壤的阳离子交换量、有机质、粘粒矿物含量等理化性质有关。
Buffering ability of soil to acid was related to the physical chemical properties of soil , such as CEC , organic matter and clay mineral content .
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研究结果表明,钾肥利用率与作物收获后的土壤速效钾含量呈极显著的负相关,与土壤阳离子交换量(CEC)也呈显著的负相关。
The correlation of the recovery rate of K fertilizer to soil available K after harvest was negative and very significant , and so was to soil cation exchange capacity ( CEC ) .
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施用不锈钢尾渣能显著提高土壤和淋溶液pH值、有机质及土壤总团聚体;而对土壤阳离子交换量作用不显著。
Adding stainless steel tail slag can significantly improve the pH value of soil and leaching solution , organic matter and soil aggregates ; but soil CEC did not increase significantly .
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土壤Cd形态改变的主要原因是添加赤泥提高了土壤pH值和土壤阳离子交换量。(3)添加赤泥可以有效减少水稻糙米中Cd的含量,降低水稻糙米对Cd的富集系数。
The change of Cadmium fraction distribution in soil was mainly due to the increase of soil pH and cation exchange capacity after red mud addition . ( 3 ) Red mud addition decreased the contents of Cadmium in rice grain and the enriching factor of rice grain .