1.
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
2.
Influence of Nitrification Inhibitor DMPP on Soil Nitrogen Loss and Its Ecological Effect;
生化调控剂DMPP对土壤氮素流失的影响及其生态效应
3.
Study on Variation Features of Nitrogen of Karst Rocky Desertification Soil and Ecological and Environmental Effect in Guizhou;
贵州喀斯特石漠化土壤氮素变异特征与生态环境效应研究
4.
The Characteristcs of CMMCU-N Releasing and Effect in Different Soil Conditions;
不同土壤条件下复合矿物包膜肥料氮素释放特性及效应
5.
Study on the Movement and Transforbation of N in Soil under Fertigation and Their Effects on Crop Growth;
滴灌施肥条件下氮素在土壤中迁移转化及其生物效应研究
6.
RESPONSES OF REGIONAL SOIL QUALITY TO LAND USE CHANGES--A CASE OF N ELEMENT;
区域土壤质量对土地利用变化响应研究——以土壤氮元素为例
7.
Relation between the Soil Microbial Characteristic and Biological Availability of Nitrogen for Tobacco, Nicotiana Tabacum L. K326;
烟地土壤微生物特性与氮素生物有效性的关系
8.
Responses of Soil Organic Carbon, Nitrogen and Phosphorus to Simulated Warming and Nitrogen Application in Songnen Grassland
松嫩草原土壤有机碳、氮素、磷素对模拟增温及施氮的响应
9.
Changes of Soil Organic Carbon and Total Nitrogen of Croplands in China and the Net Carbon Effiency of Rice and Wheat Crops Determined by Nitrogen;
中国农田土壤碳氮变化及氮素对稻麦作物固碳效益的影响
10.
Comparative Nitrogen Mineralization and Its Availability in Different Rehabilitating Forests in Degraded Red Soil
退化红壤区不同重建模式森林土壤氮素矿化过程及其有效性
11.
Studies on the Compound Effects of Nitrogen and Zinc on Soil and Herbage System and their Mechanisms;
土壤-牧草系统氮锌复合效应及其机理研究
12.
Effects of Nitrogen, Potassium and Calcium Combination on Yield and Quality of Lettuce Grown in Acidic Garden Soil;
氮钾钙组合对酸性土壤莴笋产量和品质的效应
13.
Study on the Effects of the Nitrogen Fertilizer on the Lettuce s Yield and Quality and the Soil s Environment Quality;
氮肥对生菜产量、品质和土壤环境效应影响研究
14.
Study on the Effects of Nitrogen and Potassium on Muskmelon in the Soil of Rich Phosphorus;
富磷土壤条件下厚皮甜瓜氮、钾施肥效应研究
15.
Isolation and Identification of Soil Free Living Nitrogen Fixation Bacteria and Their Nitrogen-fixation and Plant Rowth-promotion Effect;
土壤自生固氮菌的分离鉴定及生物固氮与促进植物生长效应研究
16.
Responses of Soil Available Nitrogen of Natural Forest and Secondary Forest to Simulated N Deposition in Changbai Mountain
长白山原始林和次生林土壤有效氮含量对模拟氮沉降的响应
17.
Research Progress on Effect of Nitrogen Management on Nitrogen Transfer and Nitrogen Use Efficiency in Soil-wheat System
氮肥运筹对土壤—小麦系统氮素行为及氮素利用效率影响的研究进展
18.
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