1.
Study on Dynamic Changes of Nitrogen in Surface Water of Paddy Field under Different Agronomic Measures
不同农艺措施条件下稻田田面水总氮动态变化特征研究
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.
Research on the Dynamic Change and Runoff Loss of Nitrogen in the Soil Surface Water of Rice Fields of Direct Seeding Cultivation
直播水稻田田面水氮素动态变化及径流损失研究
4.
The dynamic characteristics and modeling of nitrogen in paddy field surface water and nitrogen loss from field drainage
水稻田面水氮素的动态特征、模式表征及排水流失研究
5.
Temporal-Spatial Variability of Nitrogen in Surface Water of Paddy Fields in Taihu Region
太湖典型地区水稻田面水氮素时空变异特征研究
6.
The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;
施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
7.
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
8.
Study on Nitrogen Releasing from Sediments and External Nitrogen Leaching Active in Tianzhuang Reservoir;
田庄水库内源氮释放与外源氮淋滤行为研究
9.
Study of laws of nitrogen losses from farmland drainage in Zhanghe Irrigation District
漳河灌区农田排水氮素流失规律研究
10.
Monitoring and Characteristic Analysis on Nitrogen and Phosphorus Releases from High-yield Paddyfield
高产水稻田氮磷排放监测及特征分析
11.
Study on the Effect of Rice Straw Return to Field and Nitrogen Fertilizer Combined Application in Cold Region
寒地水稻秸秆还田配施氮素效果研究
12.
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
13.
Effects of Nitrogen Management on Rice Nitrogen Uptake and Nitrogen Concentrations in the Leachate from Rice Field
氮肥运筹对水稻氮素吸收和稻田渗漏液氮素浓度影响
14.
Dynamic simulation of ammonia-and nitrate N leakage from paddy field under different N supply
不同施氮水平下稻田铵态氮和硝态氮淋溶量的动态模拟
15.
Effects of nitrogen fertilization and irrigation rate on grain yield,nitrate accumulation and nitrogen balance on sandy farmland in the marginal oasis in the middle of Heihe River basin
水氮配合对绿洲沙地农田玉米产量、土壤硝态氮和氮平衡的影响
16.
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
17.
Effects of Water and Nitriogen Coupling on Changes of Soil Water and Nitrogen in Tobacco Field and Yield and Quality of Flue-cured Tobacco;
水氮耦合对烟田土壤水氮动态变化及烟叶产量和品质的影响
18.
Research on Water Quality Assessment of the Reservoirs,Total Nitrogen and Total Phosphorus Forecast in Luan City
六安市水库水质评价与总氮·总磷预测研究