1.
Effect of Nitrogen Fertilizer Rate on Change of Soil Nitrogen and on Yield and Quality in Wheat and Its Physiological and Ecological Basis;
施氮量对土壤氮素变化和小麦产量与品质影响的生理生态基础
2.
Study on the Effect of N Fertilizer with Split Application on Variation Characteristics of N in Surface and Leakage Water of the Paddv-field;
稻田分次施氮对田面水和渗漏水中氮素变化特征的影响
3.
Impact of Fertilizer-N Application in Different Seasons on the Rice Yield Growth Physiology and Variation of Nitrogen Status in Soils;
不同季别施氮对水稻产量生长生理及土壤氮素变化的影响
4.
Dynamics of nitrogen in double-rice paddy soil under application of chemical fertilizer combined with manure
化肥有机肥配合施用下双季稻田氮素形态变化
5.
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
6.
Study on Time and Spatial Change of Nitrate Nitrogen of Cotton and Apparent Budget of Soil Nitrogen;
棉田土壤硝态氮实时变化规律及氮素平衡初步研究
7.
Study on the Effect of Nitrogen Fertilizer with Split Application on Variation of Nitrogen in the Surface and Leakage Water of the Paddy Field;
分次施氮对稻田水层及渗漏水氮素影响动态变化研究
8.
Studies on the Dynamic Change of Nitrogen of Soybean Plant and the Effect of Additional Nitrogenous Fertilizer on It;
大豆植株氮素动态变化及追施氮肥对其影响的研究
9.
Study on the Tuber Quality and Plant Nitrogen Status Diagnosis of Potato under Different Nitrogen Levels
不同氮肥水平下马铃薯品质变化及氮素营养诊断的研究
10.
The difference existed in the dynamic change of nitrogen among different positions of soybean plant.
大豆植株不同部位氮素动态变化存在差异。
11.
Study on Dynamical Characteristics of Nitrogen in Semi-aerobic Landfill Structure;
准好氧填埋场内氮素动态变化特征研究
12.
Dynamics of Mineral N Residual in Dryland Soil and Its Affecting Factors;
旱地土壤残留矿质氮的动态变化及其影响因素
13.
Studies on the Dry Matter Accumulation and the Dynamic Change of Nitrogen in Soybean;
大豆植株干物质积累与氮素动态变化研究
14.
The Physiological Mechanism of Leaf Color Change and Nitrogen Regulation on Rice;
水稻叶色变化的生理机制及其氮素调控研究
15.
Study on the Dynamic Variation of Nitrogen of Rice Paddy Soil under Conservation Tillage;
保护性耕作下水稻田氮素动态变化研究
16.
The Character of Variational Blood Urea Nitrogen Concentration of Young Swimmers in Exercise;
青少年游泳运动员训练中血尿素氮的变化特点
17.
Investigation on the Behavior of Nitrogen in the Steel Making Process and its Influence Factors
氮在炼钢过程中的变化及影响因素分析
18.
Variation of nitrogen concentration in drainage water from paddy fields under controlled irrigation and drainage
灌排调控的稻田排水中氮素浓度变化规律