1) water and nitrogen management
水氮管理
1.
Effect of different water and nitrogen management on yield and nitrate content of amaranth and spinach;
不同水氮管理对苋菜和菠菜的产量及硝酸盐含量的影响
2) management of soil water and nitrogen
土壤水氮管理
3) Water nitrogen system
水氮管理系统
4) irrigation and nitrogen fertilizer
不同水氮管理
1.
This paper studied the effects of different irrigation amounts and levels of nitrogen on plant growth and developments, yield and yield components, water demands and utilization, water use efficiency (WUE), nitrogen uptake, coupling effects of water and nitrogen for irrigation and nitrogen fertilizer managements of high yield and saving water aerobic rice production.
本研究以早稻297为试验材料，2002～2003年于中国农业大学北京昌平试验站通过田间定位试验及系统观测，从不同水氮管理方式对旱稻生长发育、产量及其构成、需水耗水特征、水分利用效率、氮素吸收特点、水氮耦合效应的影响等方面进行了研究，初步探讨了适于北京地区的早稻水分氮素管理方式，以促进早稻水氮高效利用研究的进一步开展，为旱稻节水高产栽培提供理论依据。
5) water and nitrogen management model(WNMM)
水氮管理模型
1.
A water and nitrogen management model(WNMM) was used to simulate the soil water and nitrogen dynamics in fluvo-aquic soil,with a view to establishing a scheme to optimize soil water and nitrogen in light of local climate and soil properties.
应用农田水氮管理模型(water and nitrogen management model,WNMM)模拟潮土水氮运移过程,以建立针对该地区气候环境和土壤性质的田间水氮优化管理方案。
6) N management
氮肥管理
1.
Effects of N management on growth and yield of vegetable soybean;
不同氮肥管理对毛豆生长及产量的影响
2.
【Method】Different N management and K combinations were designed in field plot experiment.
实地氮肥管理条件下,与不施钾处理相比,施钾处理稻瘟病发病率降低了25。
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条