1.
Change characteristic of nitrogen recovery efficiency of wheat in typical farmland of China under long-term fertilization
我国典型农田长期施肥小麦氮肥回收率的变化特征
2.
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
3.
Recovery of Ammonium-nitrogen from Petrochemical Wastewater as a Slow Release Fertilizer;
以缓释肥形式回收石化废水中氨氮的研究
4.
Recovery by crop and loss of nitrogen fertilizer applied in rice season in Taihu Lake region
太湖地区水稻季氮肥的作物回收和损失研究
5.
Effects of Different Nitrogenous Fertilizer Synergist on Nitrogen Utilization Rate in Wheat and Maize;
不同氮肥增效剂对小麦玉米氮素吸收利用率的影响研究
6.
Effects of Nitrogen Rate and Fertigation Frequency on Nitrogen Uptake and Yield of Hybrid Cotton
施氮量和滴灌施肥频率对杂交棉氮素吸收和产量的影响
7.
Effect of Controlled-release Urea on Melon Yield,N Uptake and N Use Efficiency
包膜尿素对甜瓜产量、氮素吸收和氮肥利用率的影响
8.
Influences of long-term fertilizations on phosphorus recovery efficiency of wheat in six dry upland soils of China
长期施肥对我国6种旱地小麦磷肥回收率的影响
9.
Waste Recycling and Treatment in Shangluo Smeltery(Ⅲ);
商洛冶炼厂废渣回收与处理(Ⅲ)——由铜渣制备氮肥厂铜洗液
10.
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
11.
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
12.
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
13.
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
14.
Recoverv and treatment methods of the condensate from low-temperature shiftprocess of synthetic ammon iaproduction and the effluent from desorber of urea plant are revie-wed in this paper.
介绍了氮肥厂对合成氨低温变换工艺冷凝液和尿素解吸废水的回收处理方法。
15.
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。
16.
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
17.
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
18.
Characteristic of Nitrogen Use Efficiency of Central Food Crops under Long-term Fertilization;
长期施肥下我国粮食作物氮肥利用率变化特征