nitrogen loss

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.

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

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。

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

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

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

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。

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

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。

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。

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；