1.
Contents of Active Organic Carbon, Nitrogen and Its Relationship with Nitrogen Mineralization of Soil on the Loess Plateau;
黄土区几种土壤中活性有机碳、氮含量及其与土壤氮素矿化的关系
2.
The Impacts of Soil Nitrogen Loss on Soil Properties and Environments under Soil Erosion Conditions
侵蚀条件下土壤氮素流失对土壤和环境的影响
3.
Effect of Nitrogen and Mineralization of Soil Nitrogen on Growth and Quality of Flue-Cured Tobacco;
氮及土壤氮素矿化对烤烟生长及品质的影响
4.
Study on the Priming Effect Caused by Ammonium and Mineralization of Organic Nitrogen in the Typical Soils on Loess Plateau;
黄土高原典型土壤有机氮矿化及铵态氮对土壤氮素激发效应的研究
5.
Effects of long-term plant Medicago sativa Linn. on soil nitrogen nutrient.
长期种植苜蓿对土壤氮素营养的作用
6.
Effects of Earthworms on Soil Nitrogen and Phosphorus in Upland Rice-Wheat Rotation Agroecosystem;
蚯蚓活动对稻麦轮作土壤氮、磷的影响
7.
nitrogen fixer
(土壤中的)固氮微生物
8.
The Study on Fate of Fertilizer Nitrogen in Different Soils in Shanxi Province;
山西省不同土壤上氮肥氮的去向研究
9.
Relationship between soil nitrate,nitrogen balance and utilization in rainfed land
旱地土壤硝态氮与氮素平衡、氮肥利用的关系
10.
A Study of Fertilization and Nitrous Oxide Losses on Loess Soil;
黄土性土壤施肥与氧化亚氮排放研究
11.
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
12.
Effects of Soil and Nitrogen on Nitrogen Absorption, Distribution and Quality of Flue-cured Tobacco;
土壤与氮营养对烤烟氮吸收分配及品质影响
13.
Mechanism of Soil N Supply in Paddy Soil and Reaching Optimal N Application for Rice;
稻田土壤供氮机理及水稻氮肥优化施用研究
14.
Characteristics of Soil Nitrogen Supply and Its Effect on the Nitrogen Nutrition of Flue-cured Tobacco
土壤供氮特征及其对烤烟氮素营养的影响
15.
Spring Maize Response to Soil Nitrogen Supply and Indices of Nitrogen Recommendation
春玉米对土壤供氮的反应及氮肥推荐指标研究
16.
A New Index for Nitrogen Supplying Capacity in Arid Land-Fumigation-Extraction with Chloroform
旱地新型土壤供氮力指标——氯仿熏蒸浸提氮
17.
Comparison of Determining the Soil Total Nitrogen Concentration with a Continuous Flow Injection Analyzer and Kjeldahl Method
流动注射法与凯氏定氮法测定土壤全氮的比较
18.
Influences of Cropping System on Soil Nitrate Nitrogen and Tobacco Nitride
种植制度对土壤硝态氮及烟叶氮化物的影响