1.
Effects of Nitrogen Application on Technical Parameters of Precision Nitrogen Fertilization in Rapeseed;
施氮对油菜精确施氮技术参数的影响
2.
Effects of Nitrogen Application Time on Carbon Assimilate and Nitrogen Translocation and Nitrogen Use Efficiency of Summer Maize
施氮时期对夏玉米碳氮运转及氮肥利用的影响
3.
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。
4.
A Study on Effects of N-fixing Bacteria Fertilizer under Different Soil Nitrogen Level;
不同施氮水平下固氮菌肥施用效果的研究
5.
Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;
不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
6.
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
7.
Effects of Nitrogen Application on N_2O Emission from Vegetable Soil;
不同施氮措施对菜地N_2O排放的影响
8.
Effects of Nitrogen Rates on Nitrogen Metabolism and Quality Formation of Flue-cured Tobacco;
施氮量对烤烟氮代谢及品质形成的影响
9.
Effects of Nitrogen and Irrigation Rate on Nitrogen and Carbon Metabolism and Yield in Winter Wheat;
灌溉量和施氮量对小麦碳氮代谢及产量的影响
10.
Effects of Topdressed N-Fertilizer on Translocation and Distribution in Soybean Plants
追施氮肥对大豆体内氮素运转与分配的影响
11.
Study on the Photosynthetic Characteristic and Nitrogen Metabolism in Different Nitrogen Treatment of the Flue-cured Tabacco
不同施氮水平下烤烟光合特性和氮代谢的研究
12.
Root morphology and nitrogen accumulation in soybean (Glycine max L.) under different nitrogen application levels
施氮对大豆根系形态和氮素吸收积累的影响
13.
Effect of nitrogen application on nitrogen content and protein content in soybean plant
施氮对大豆植株氮素和蛋白质含量的影响
14.
Characteristics of nitrogen utilization under different nitrogen strategies of potato
不同施氮量对马铃薯氮素利用特性的影响
15.
The Effect of Nitrogen Application on Dry Matter and Nitrogen,Phosphorus or Potassium Nutrient Accumulation of Tobacco Plants
不同施氮量对烟株干物质与氮磷钾累积的影响
16.
Nodule Growth,Nodulation and Nitrogen Fixation in Soybean(Glycine max L.)as Affected by Nitrogen Application
施氮对大豆根瘤生长和结瘤固氮的影响
17.
Effect of nitrogen levels on absorption and utilization of nitrogen and yield of soybean
施氮水平对大豆吸收利用氮素及产量的影响
18.
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