1.
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
2.
Fertilizer-Nitrogen Use Efficiency and Its Physiological Mechanism under Site-Specific Nitrogen Management in Rice
水稻实地氮肥管理的氮肥利用效率及其生理原因
3.
Nitrogen Management of Potato Based on SPAD Diagnosis
基于SPAD诊断的马铃薯的氮肥管理
4.
Studies on the Effects of Grain Yield, Rice Quality and Nitrogen Use Efficiency in Irrigated Rice System Based on Real-time and Site-specific Nitrogen Management;
实时实地氮肥管理对水稻产量、品质和氮效率影响的研究
5.
Summarizing nitrogen recommendations for minimum and no-tillage crops, there is an advantage in incorporating urea in summer but not in winter crops.
综上所述，我们对少耕和免耕制下的氮肥管理提出以下的建议。
6.
Optimization of the Nitrogen Fertilizer Management for a Winter Wheat-Summer Maize Rotation System in the North China Plain-from Field to Regional Scale;
华北平原冬小麦—夏玉米轮作体系优化氮肥管理—从田块到区域尺度
7.
Effects of Potassium on Rice Blast and Yield under Different Nitrogen Management in Cold Area of China;
不同氮肥管理条件下钾对寒地水稻抗病性和产量的影响
8.
Yield Quantity and Quality and Field Ecological Effects under Site-Specific Nitrogen Management;
实地氮肥管理的水稻产量与品质及田间生态效应
9.
Effects of Wheat-Residue Application and Site-Specific Nitrogen Management on Growth and Development in Direct-Seeding Rice
麦秸还田与实地氮肥管理对直播水稻生长的影响
10.
Establishment and Effect Research of Optimized Nitrogen Management System in Cotton Field;
棉田氮肥优化管理体系的建立及其效应研究
11.
Nitrogen Fertilization Decision-Making System for Production Management of High-quality (Special) Wheat;
优质（专用）小麦生产管理氮肥决策系统的研究
12.
Analysis and Design on Management Information Systems of the Equipment Maintenance of the Small Nitrogen Fertilizer Enterprises;
小氮肥企业设备维护管理信息系统分析与设计
13.
INTEGRATED MANAGEMENT OF ENGINEERING CONSTRUCTION AND PRODUCTION PREPARATION OF LARGE NITROGENOUS FERTILIZER ENTERPRISE;
大型氮肥企业工程建设与生产准备一体化管理
14.
Effects of Water Management Methods on Grain Yield and Fertilizer-Nitrogen Use Efficiency in Rice
水分管理方式对水稻产量和氮肥利用率的影响
15.
Effects of Nutrient Management Modes on Yield of Early Rice and Nitrogen Use Efficiency
养分管理模式对早稻产量及氮肥利用率的影响
16.
The concept of controlled-release nitrogen fertilizers( CRN) as a nitrogen management tool is not new.
用控释氮肥（rn）为氮素管理的一项措施已不是新概念。
17.
Nitrogen Utilize and Damnify as well as Optimized Management of Nitrogen Fertilizer Applied to Vegetable Field of Greenhouse in Taihu Lake Region;
太湖地区大棚蔬菜地化肥氮利用和损失及氮素优化管理研究
18.
Effects of Different Nutrient Management Modes on Carbon Nitrogen Metabolism and Nitrogen Use Efficiency of Rice
不同养分管理模式对水稻碳、氮代谢及氮肥利用率的影响