• 养分失量正比

    The amounts of nutrient loss were in direct proportion to rainfall intensity.

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  • 土壤养分农田点源污染主要形式

    Soil nutrients loss is the main way of non point pollution from farmland.

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  • 土壤剖面a流失土壤养分失的标志

    A layer loss in soil profile is a sign of soil nutrient loss.

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  • 土壤养分失量雨强泥沙流失量呈正相关关系。

    The amount of lost nutrients were correlated positively with rainfall intensities and lost sediment.

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  • 坡度影响水土流失土壤养分过程的重要因素。

    Slope gradient has many impacts on soil erosion by water and mineral nitrogen loss in an erosion process.

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  • 林地人为开垦破坏加速侵蚀导致坡面土壤养分根本原因

    Man made accelerated erosion is a key reason for soil nutrient loss after forestlands were disturbed by human being.

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  • 因此分析食物链养分特征和规律评价合理性,非常必要的。

    Therefore, it is necessary to analyses nitrogen flow in food chain system, evaluate the reasonableness of nitrogen flow.

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  • 总结土壤侵蚀养分规律基础上,建立坡面侵蚀养分流方程

    This article summaries the regular of slope soil nutrient loss, establish the equation of slope soil nutrient loss.

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  • 闪速加热和冷却过程中的无菌减少能源使用养分发现常规消毒

    The flash-heating-and-cooling aseptic process reduces the energy use and nutrient loss found in conventional sterilization.

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  • 研究了次降雨过程中红壤小流域5种不同土地利用方式土壤N,P养分特征

    The characteristics of nitrogen(N) and phosphorus(P) loss under 5 land use patterns were studied in Sunjia small red soil watershed during the Course of rain.

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  • 耕作喀斯特脆弱生态系统土壤具有重要影响,是造成土壤养分退化主要原因。

    Tillage practice had important effect on soil nutrients loss and soil degradation in the fragile karst ecosystem.

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  • 结果表明土壤侵蚀造成表层耕作土壤的物理性能下降养分和水分入渗能力降低

    The results show that the soil erosion on slope not only bring about soil nutrients lost, but also cause the soil physical property damaged, soil infiltration capability weakened.

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  • 土壤养分开垦初期非常迅速,开垦耕种5 a,土壤含量可减少5 0 %。

    Soil nutrients abruptly loss in the beginning stage of forest removal. After five years of forest removal, soil nutrient content reduces by 50%.

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  • 水平沟能够显著拦蓄径流,减少土壤冲刷养分提高土壤水分利用率,进而提高作物单产。

    Leves trench tillage can retain runoff, decrease soil wash and nutrient loss, increase utilization rate of soil water, and further increase crops yield.

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  • 结果表明裸地相比,不同椬被恢复模式均对矸石山坡面土壤侵蚀养分具有明显控制效果

    The results showed that compared with the bare land, all restoration patterns played positive effect in the control of soil erosion and nutrient loss in the gangue pile land.

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  • 因此地区注意建设恢复植被,使之尽快起到水土保持作用,近而减少土壤养分

    So the grass, and arbor vegetation should be rehabilitated and developed quickly in order to decrease soil erosion in Hilly-gully region of Loess Plateau, and then decrease soil nutrients loss.

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  • 通过构建初级生产者-分解者系统养分模型分析分解者增长限制限制的判断标准

    By constructing a flux model of nutrients for a primary producer-decomposer ecosystem, a determining standard of decomposers increase confined by carbon or nutrients limitation is analysed.

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  • AGNPS模型美国研制专用于模拟小流域土壤侵蚀、养分流预测评价农业点源污染状况计算机模型。

    AGNPS (agricultural non point source) model is a computer model specialized for predicting and evaluating the agricultural non point source pollution of a watershed.

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  • 土壤养分空间分布坡面侵蚀方式和侵蚀强度的空间分布相一致,浅沟沟槽坡面土壤养分流严重的部位

    Sloping spatial distribution of soil nutrient loss responds to spatial distribution of soil erosion patterns erosion intensity. Shallow gully ditch is the severest position of soil nutrient loss.

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  • 坡地土壤养分过程实际上表层土壤降雨径流相互作用过程,土壤养分流失的多少主要受相互作用的限制

    The process of soil nitrogen loss in runoff and sediment is restricted by interaction of soil nutrient with rainfall and runoff.

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  • 研究坡地物质迁移重要过程通过室内人工降雨模拟试验,研究不同透水状况坡地土壤侵蚀养分的过程机制

    To study mass transport from slope land, the process and mechanism of soil erosion and nutrient loss on the slope land under different drainage conditions were investigated by simulating rainfall.

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  • 在室内降雨模拟试验条件下,研究暴雨径流农田氮素养分施肥处理影响结果表明,农田暴雨径流分的流失量累积径流量成正相关;

    Rainfall simulation experiment was performed to evaluate nitrogen losses from farmland and show the effect of fertilizer application on nitrogen concentration and losses of runoff.

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  • 在室内降雨模拟试验条件下,研究暴雨径流农田氮素养分施肥处理影响结果表明,农田暴雨径流分的流失量累积径流量成正相关;

    Rainfall simulation experiment was performed to evaluate nitrogen losses from farmland and show the effect of fertilizer application on nitrogen concentration and losses of runoff.

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