1.
The total absorption of nitrogen increased with the amount of nitrogen topdressing, but the proportion of absorption nitrogen during the blooming period to total nitrogen were downtrend.
棉花总吸氮量随著追氮量的增加而增加，但花铃期吸氮量占总吸氮量的比例呈下降趋势。
2.
Influence of Nitrogen-Dressing Amount on Carbohydrate and Nitrogen Metabo Lism, Leaf Yield and Quailty at Later Growth Stage of Flue-Cured Tobacco;
追氮量对烤烟生育后期叶片碳氮代谢及产质量的影响
3.
The Regulating Effects of Topdressing Nitrogen Amount on Nitrogen Utilization and Yield of Wheat under Drought Condition
干旱条件下不同追氮量对小麦氮利用及产量的调控效应
4.
Effects of Sowing Date、Cultivating Density and Nitrogen Fertilizer Amountson the Yield and Quality in the Black Bean;
播期、密度和追氮量对黑豆产量及品质性状的影响
5.
Effect of Top-dress Nitrogen Application Amount on Grain Protein Content and Flour Processing Quality in Different Winter Wheat
追氮量对不同冬小麦籽粒蛋白质含量以及面粉加工品质的影响
6.
Effect of Topdressing Time and Ratio Between Basic Manuring and after Manuring of Nitrogenous Fertilizers on yield of Wheat
氮肥基追比和追肥时期对小麦产量的影响
7.
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。
8.
Influences of Additional Nitragon Manuring in the Middle and Late Period of Wheat Growth on Leaf Nitrogen Content, Grain Yield and Grain Protein Content
中后期追氮对小麦叶片氮含量及籽粒产量、蛋白质含量的影响
9.
Effects of Nitrogen Fertilizer Rate and Topdressing Stage on Grain Yield and Quality in Wheat and Relevant Physiological Basis;
施氮量和追氮时期对小麦产量和品质的影响及其生理基础
10.
Effect of Different Nitrogen Fertilizer Rate and Different Ratio of Base and Topdressing on Nitrogen Utilization, Yield and Quality in Winter Wheat;
施氮量和底追比例对小麦氮素利用和产量、品质的影响
11.
Effects of Different Nitrogen Fertilizer Application Rate and Different Topdressing Way on Yield and Efficiency for Maize Zhongyu 15
氮肥用量和追肥方式对玉米中玉15产量和氮肥利用效率的影响
12.
Effects of Different Ratios of Base N to Dress N Fertilizer on Nitrate Content in Chinese Cabbage and the N Use Efficiency
氮肥不同基肥、追肥比例对小白菜硝酸盐含量及氮肥利用率的影响
13.
Effects of Nitrogen Fertilizer Topdressing Time Stages on Nitrogen Metabolism and Yield and Quality of Two Spike-Type Wheat Cultivars;
追氮时期对两种穗型冬小麦品种氮代谢及产量和品质的影响
14.
Effects of Different Ratio of Base N to Dressed N and Type of Nitrogen Fertilizer on Maize Yield and Nitrogen Use Efficiency in Fluvio-aquic Soil Region
潮土区氮肥不同基追比和种类对玉米产量和氮肥利用率的影响
15.
Effects of Nitrogen Topdressing Stage on Grain Quality and Yield of Different Types of Wheat;
追氮时期对不同类型小麦籽粒产量和品质影响
16.
Effects of Different Ratio of Nitrogen Base and Topdressing on the Yield and Quality of Rapeseed (Brassica Napus L.)
不同氮肥基追比例对油菜产量和品质的影响
17.
Effect of nitrogen topdressing on yield and quality of in medium-gluten wheat Xiaoyan 22
追施氮肥对中筋小麦小偃22产量和品质的影响
18.
Effects of Nitrogen Fertilizer Dressing Ratio on Yield and Gluten of Different Types Wheat
氮数基追比对不同品种小麦产量和面筋的影响