1.
Studies on Nitrogen Requirement and Nitrogen Utilization Efficiency of Hybrid Rice in Nanchang
南昌杂交稻需氮量与氮利用率的研究
2.
The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随著施氮量增加，追施氮肥的利用率明显下降。
3.
Eco-physiology and Regulation of Nitrogen Use Efficiency in Wheat;
小麦氮素利用效率的生理生态与氮肥调控研究
4.
Effects of Different Controlled-Release Fertilizers and Nitrogen Level on N,P,K Use Efficiency
控释肥类型及氮素水平对氮磷钾利用率的影响
5.
Effect of controlled-release nitrogen fertilizer on growth and fertilizer nitrogen use efficiency of double rice in southern China
控释氮肥对双季水稻生长及氮肥利用率的影响
6.
Nutrient Use Efficiency of Main Plants in an Agro-pastoral Ecotone of Northern China;
农牧交错区主要植物的氮素利用效率
7.
Study on Nitrogen Use Efficiency of Mo17 and Its Derived Lines
Mo17及其衍生系氮素利用效率研究
8.
Studies on Nitrogen Uptake Characteristics, Nitrogen Use Efficiency, Real Time Nitrogen Management, and Site Specific Nutrient Management of Irrigated Rice;
水稻氮素营养特性、氮肥利用率与实时实地氮肥管理的研究
9.
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
10.
Effect of N Rates on Yield of Spring Wheat,Fertilizer N Recovery and N Balance
不同供氮水平对春小麦产量、氮肥利用率及氮平衡的影响
11.
Effects of Nitrogen Application Rate on Nitrogen Absorption,Translocation and Fertilizer-nitrogen Use Efficiency in Japonica Rice Cultivar Nanjing 44
施氮量对南粳44氮素吸收运转及氮肥利用效率的影响
12.
Effects of irrigation and nitrogen interaction on soil NO_3~- -N transport,nitrogen use efficiency and water use efficiency in wheat
水氮互作对小麦土壤硝态氮运移及水、氮利用效率的影响
13.
Influence of nitrogen fertilizer rate on carbon-nitrogen metabolism and nitrogen use efficiency of summer maize under high and medium yield levels
施氮量对不同肥力水平下夏玉米碳氮代谢及氮素利用率的影响
14.
Effect of Combined Use of Organic and Inorganic Nitrogen Fertilizer on Rice Yield and Nitrogen Use Efficiency
有机氮部分替代无机氮对水稻产量和氮素利用率的影响
15.
Effect of Nitrogen Fertilization on the Biological N-fixation and N Utilization Efficiency of Chamaecrista rotundifolia
施氮对圆叶决明生物固氮及氮肥利用效率的影响
16.
Effects of nitrogen fertilizer application and irrigationlevel on soil nitrate nitrogen accumulation and water and nitrogen use efficiency for wheat/maize intercropping
水氮量对小麦/玉米间作土壤硝态氮累积和水氮利用效率的影响
17.
Influence of nitrogen rates with split application on N use efficiency and its eco-economic suitable amount analysis in rice
分次施氮对单季稻氮素利用率及生态经济适宜施氮量的影响
18.
Studies on the physiological parameters related to nitrogen use efficiency in wheat cultivars with different nitrogen utilization
不同氮素利用效率小麦品种的氮效率相关生理参数研究