1、

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;

互联网摘选

2、

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。

互联网摘选

3、

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。

互联网摘选

4、

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

互联网摘选

5、

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。

互联网摘选

6、

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。

互联网摘选

7、

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

互联网摘选

8、

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

互联网摘选

9、

nitrogen loss from watersheds of interior alaska underlain with discontinuous permafrost

在位于不连续永久冻结带下面阿拉斯加内部水域氮损失

互联网摘选

10、

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.

互联网摘选

11、

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

互联网摘选

12、

nitrogen loss in soil of organic agriculture and its control procedure

有机农业土壤氮素流失与防止措施

互联网摘选

13、

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

互联网摘选

14、

Denitrification Loss and N_2O Emission from Nitrogen Fertilizer Applied to Vegetable Field

菜田氮素反硝化损失与N2O排放的定量评价

互联网摘选

15、

from the absolute quantity, no matter in rice planting or not, the main loss of nitrogen was no3--n.

从绝对数量看,种植水稻与不种植水稻氮处理渗漏都以NO3--N为主。

互联网摘选

17、

controlling effect to infiltrate loss of nitrogen by the nitrogen delayed-release materials

几种氮缓释材料对氮渗透损失控制的效果

互联网摘选

18、
19、

influence of irrigation mode on the loss of nitrogen and phosphorus in rice fields and environment

灌溉模式对稻田氮磷损失及环境影响研究展望

互联网摘选

20、

application of chemical fertilizer and the loss of nitrogen and phosphorus in paddy soils in hunan

湖南省稻田化肥施用与氮磷流失状况的研究

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈