• 全磷含量冬季最高夏季最低

    The concentrations of total phosphorus was high in winter, low in summer.

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  • 释放能力大小的多少有关

    The releasing ability was also related to TP.

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  • 耕层土壤有效含量水平较高

    The total and effect content of soil phosphorus in infield layer are higher.

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  • 耕种沙地土壤空间变异性影响

    Influence of cultivation on spatial variability of soil total phosphorus in sandy land.

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  • 土壤全磷含量呈先降低增加的趋势。

    Soil organic matter totally increased with a relatively slower decrease after the increase.

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  • 植被恢复过程土壤含量变化很小

    The content of total phosphorus varied little in the process of vegetation restoration.

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  • 肥料处理促进油菜吸收

    Fertilizer handling accelerated the absorption of nitrogen, phosphorus and kalium in cole.

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  • 利用流动分析仪测定了烟田土壤中的

    Total nitrogen and total phosphorus in tobacco field soil were determined with a Skalar flow analyzer.

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  • 土壤PSD(土壤饱和度)好的正相关性

    Total phosphorus of surface soil had a significantly positive relation with PSD.

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  • 生长阶段土壤含量土层的深度增加而减小

    Per period of growing season the total phosphorous decreased with the depth. deeper.

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  • 土壤有机质、速效氮具有中等空间相关性

    Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.

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  • 果园土壤果园土壤浓度都服从自然对数正分布

    Old orchard soil and new orchard soil the whole phosphorus concentration obey natural logarithm normal distribution.

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  • 结果表明种菜时间越长,土壤中的和有机含量也越多。

    The results indicated that the enrichment of phosphorus in the vegetable soils was rapid under the level of fertilization in Beijing.

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  • 结果表明土壤剖面含量分布与景观部位存在一定联系。

    Results show that there exists some regularity for the amount and distribution of soil total phosphorus in the profiles.

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  • 莴笋叶片硝酸盐含量氮、蛋白、蛋白和蛋白含量呈极显著相关

    There were significant negative correlations between nitrate content and total n, protein n, total p, protein p, protein K of lettuce leaf.

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  • 土壤钾含量不同植被显著差异与洞庭湖泥沙淤积有着重要关系。

    No significant difference was found in the soil total phosphorus and potassium between different vegetation community, which might be determined by the sediment deposition in the Dongting Lake.

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  • 湿地土壤养分中,有机质对潜在土壤效益贡献率氮、的贡献率最低

    Contribution rate of the organic matter and kalium upon latent soil benefit was the biggest, and total phosphorus 'was the least.

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  • 土壤、土壤、土壤有效、土壤有效钾随着土壤深度的增加,变化规律明显

    Soil total potassium content, soil available phosphorus, soil total potassium content and soil available potassium, Their variation is not obvious.

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  • 凋落明显改善土壤肥力增加土壤有机质的含量,与土壤呈现负相关关系。

    Litterfall could evidently improve soil fertility, increase organic matter and total nitrogen, but decrease the total phosphor.

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  • 通过盆栽试验研究了不同用量污泥石灰生土熟土有机质含量的影响。

    Sewage Sludge on the Contents of Organic Matter, Total n, Total P, and Total K in Calcareous Immature Soil and Calcareous Mellow Soil.

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  • 临泽县主要土壤类型有机质、速效、速效盐量ph进行了化验分析。

    Analyzing the organic matter, Nitrogen, Phosphorus, Fast working Kalium, Fast working Phosphorous, total salt quantity and ph value of the main type of soil in Linze county.

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  • 取样间距对合理取样数目具有一定的影响,合理取样数目分别为:有机质(24)、(34)、10)。

    The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.

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  • 研究了长期施肥土壤、有效年份变化剖面组分、土壤对吸附解吸性能、土壤需指数等方面影响

    Soil incubation was carried out to study the effects of soil organic phosphorus fractions and quantity in different periods after application of outside source of phytase.

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  • 结果表明水稻田土壤有机碳、全磷含量水平较高,水田改为旱地土壤有机碳、氮含量及C/N比值有较大幅度下降全磷含量变化不大。

    The results showed that the content of SOC, STN and STP had a high level in the paddy soil, but SOC and STN(except STP) decreased greatly after being changed to arid land.

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  • 多年生植被土地覆盖景观中所占面积最大,其表层土壤有机质储量分别占整个地区表层总储量55.01%、54.53%、59.02%。

    The soils nutrient stock in the 0~15 cm layer under Perennial cover are the highest, about 55.01%, 54.53%, and 59.02% in SOM, TN and TP of total region, respectively.

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  • 结果表明,海伦黑土、碱解速效半变量函数曲线理论模型符合高斯模型,速效理论最佳模型为球状模型。

    The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.

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  • 通过改土,由际局部熟化熟化,同时增施钾肥,可提高柑桔品质,加快形成丰产稳产的强健势打下良好基础

    By extending the planting hole and improving the soil, soil is humificated from root around to all orchard and then these are the base for increasing the orange quality and tree vigor.

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  • 试验结果说明鱼粉饲料补充保持奥尼罗非鱼幼鱼生长率,饲料利用可食部分营养成分含量

    The results indicated that phosphorus supplemented in the fishmeal-free diet could keep the growth, feed utilization and the contents of nutritional composition of body edible part.

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  • 阐述了读型电感耦合等离子体发射光谱仪测定金属中铝元素的测试方法研究

    The method for determination of aluminum, copper, iron, phosphorus and silicon in metallic chromium has been studied with a direct-reading inductively coupled plasma emission spectrometer.

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  • 阐述了读型电感耦合等离子体发射光谱仪测定金属中铝元素的测试方法研究

    The method for determination of aluminum, copper, iron, phosphorus and silicon in metallic chromium has been studied with a direct-reading inductively coupled plasma emission spectrometer.

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