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- integrated nitrogen management 氮素优化
- 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。
- The concept of controlled-release nitrogen fertilizers (CRN) as a nitrogen management tool is not new. 用控释氮肥（CRN）作为氮素管理的一项措施已不是新概念。
- Nitrogen management of legumes can be more complicated than for cereals since two alternative sources of N can be tapped to meet N uptake requirements. 在氮肥的管理上，豆类比谷类要复杂，它可利用两种氮源以满足氮素的需要。
- Development of successful nitrogen management schemes has been a continual process of adapting to an evolving understanding of cropping systems, and nutrient cycling. 成功的氮素管理制度是对种植制度和养分循环不断认识和适应的过程。
- As with any agriculture management strategy, legume nitrogen management should be driven by the risk adjusted financial return farmers can obtain from the various management options. 就任何农作管理策略而言，豆类作物的氮素管理受到风险调节，农民从各种管理中选择可以获得经济回报的那种。
- On the condition of winter wheat-summer corn cropping system in Beijing, the nonlinear goals programming model was used to optimize the water and nitrogen management under various rainfall year types. 摘要本文应用了非线性目标规划模型，用线性化逼近法求解，对冬小麦-夏玉米种植制度下，不同降雨年型的水氮管理措施进行了优化。
- water and nitrogen management model (WNMM) 水氮管理模型
- Site-specific nitrogen management (SSNM) 实地氮肥管理
- Site-specific/real-time nitrogen management 实时、实地氮肥管理
- Site-specific nitrogen management 实地氮肥管理
- site-specific nitrogen management technique 实地氮肥管理技术
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- I integrated your suggestion with my plan. 你的建议使我的计划完整了。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Real-time nitrogen management and site-specific nitrogen management 实时实地氮肥管理
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Bionomics and integrated management of Macalla sp. 橄榄锄须丛螟生物学特性与综合防治。
- Integrated resource management technology II. 资源综合管理技术2。
