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Keyword [15N-isotope]
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1. Sources Of Nicotine-N And Effects Of Nitrogen Supply On Growth, Nitrogen Uptake, Nicotine Contents In Nicotiana Tabacum Plants
2. Analysis Of The Nitrogen Uptake And Utilization, Rhizosphere Micro-Ecology In The "Wheat/Maize/Soybean" Relay-Cropping System
3. Study On The Utilization Of Water And Nitrogen And The N-Fertilizer Balance Under Water Saving Irrigation
4. Comparative Studies Of Super Hybrid Rice Ratoon Materials Transport Disciplines
5. Study On The Rule Of Nitrogen Utilization And Its Influence Factors In Phyllostachys Edulis Forests
6. Effects Of SO2Fumigation On Soil N Gross Transformation Rates And N2O Fluxes For Castanopsis Carlesii Natural Forests
7. Effect Of Nitrogen Fertilizer On Nitrogen Distribution And Quality Of Flue-cured Tobacco In Enshi State
8. Effects Of Carbon And Nitrogen Additions On The Mineralization Of Soil Carbon, Nitrogen, And Nitrogen Transformation Rate Of Alpine Meadow In Northern Tibet
9. Soil Nitrogen Content In Alpine Grasslands And Uptake Of Alpine Plants For Nitrogen In Water Culture Environment
10. Study On The Fate And Effect Of Atmospheric Nitrogen Deposition On N-saturated Masson Pine- Dominated Forest
11. Establish Oat-strip Intercropping Pattern In West Region Of Northeast China And Research On The Mechanism Of Nitrogen Use
12. The Effect Different Types Of Phosphate Sources On Autorotrophic/Heterotrophic Nitrification Of Paddy Soil In Zhejiang Yuhang
13. Influence Of Simulated Nitrogen Deposition On Forest Residues Decomposition And Their Nutrient Dynamics
14. The Regulation Of Algae Crusts On Soil Nitrogen Gross Transformation Rates And N2O Fluxes Under Global Warming In Mid-subtropical China
15. The Effects Of Crayfish Feeding And Straw Returning On Nitrogen Recycling And Utilization In Rice-crayfish Farming Ecosystem
16. Effects Of Straw Returning Modes On Soil Nitrogen Forms,Emissions And Distribution
17. Preliminary Research On Nitrogen Uptake And Growth Of Tobacco(Nicotiana Tabacum L.) With Inoculation Arbuscular Mycorrhiza Fungi
18. Physiological And Ecological Mechanism Of Optimized Nitrogen Application Promoting Nitrogen Utilization And Increasing Rice Yield Under Paddy-upland Rotation
19. Effects Of Mulching And Nitrogen Application On Transportation And Utilization Of Water And Nitrogen And Productivity In Dryland Spring Maize
20. The Effect Of Cladosporium Halotolerans On Growing And Nitrogen Metabolic Of Bletilla Striata
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