nitrogen loss

Soil Nitrogen Loss in Runoff and Sediment as Affected by Level Trench and Crop Rotation

耕作及轮作对土壤氮素径流流失的影响

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

坡度是影响坡面水土流失和土壤养分流失过程的重要因素。

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Soil Mineral Nitrogen Loss in Surface Runoff and Sediment as Affected by Slope Gradient on Loess Slope

坡度对坡面土壤矿质氮素水蚀流失负荷的影响

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The total nitrogen loss was the most severely among total nitrogen, total phosphorus and total potassium.

全氮、氨氮、全磷三种养分流失中全氮的流失最严重，侵蚀径流泥沙中养分元素均存在富集现象；

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Low nitrogen fertilizer use efficiency and a lot of nitrogen loss in Paddy rice maybe cause the waste of resources, costs of rice production increasing and increasing output without earning, at the same time lead to a series of adverse reactions.

稻田氮肥利用率低和大量的氮素损失在造成资源浪费、水稻生产成本增加、农民增产不增收的同时还导致一系列不良的环境反应。

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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

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Nitrogen leaching of farmland is one of the important way of nitrogen loss.

农田氮素（N）淋失是N素损失的重要途径之一。

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Study of the Testing hole on the Nitrogen Loss in the Rice Field

稻田氮素流失规律测坑研究

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Impacts of Biological Hedgerow of Vetiver on Surface Runoff and Nitrogen Loss in Vegetable Field under Natural Rainfall

自然降雨条件下香根草生物篱对菜地土壤地表径流和氮流失的影响

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This avoid ammonia nitrogen loss in the measurement and distillation steps.

避免了称量时易造成的样品损失及蒸馏过程的氨氮损失.

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In this paper, the mechanism of nitrogen loss in composting is analyzed by using electronic stoichiometry of biochemical reactions, and techniques for nitrogen conservation are explored as well.

本文对污泥堆肥化过程中，N素的转变与损失机理采用生化反应电子计量学进行了探讨，并且讨论了固定N源、降低N素损失、提高堆肥农用价值的方法。

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