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Keyword [Northern China]
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1. Community Aloft And Radar Observations Of Seasonal Migration Of Insects In Northern China
2. Researches On Carbon Sequestration Functions Of Main Forest Types In Northern China
3. Improvement Of Nitrogen Fertilizer Use Efficiency By Water-saving Cultivation In Winter Wheat-summer Maize Production System In Northern China
4. Studies On Water Consumption Characteristics Of Main Plantation Tree Species And Technoloy Of Drought Resistance For Afforestation In Northern China
5. Study On The Rules Of Water Consumption Of Dominant Tree Species And The Community Of Artificial Forest In Mountain Area Of Northern China
6. Study On Forest Health Based On Forest Vegetation Succession In Mountain Area Of Northern China
7. Study On The Diazotroph Resoures In The Paddy Field In Northern China
8. Phylogeny, Biology And Ecology Of Ophiostomatoid Fungi Associated With Dendroctonus Valens In Northern China
9. Study On Outcrossing Mechanism And High-yielding Seed Production Techniques Of Hybrid Japonica Rice In Northern China
10. Vegetation Restoration And Reconstruction Effect On Desertified Lands Of Agro-Pastoral Transition Zone Of Northern Shannxi
11. Study On Prolonging The Grass Growing Season On Athletic Field In Winter In Northern China
12. Studies On The Improvement Of Degraded Grasslands In The Semiarid Regions Of Northern China
13. Dynamics Of Soil Mineralized Nitrogen During Non-growing Season In Agricultural Region Harvesting Once A Year Of Northern China
14. Energy Efficiency Of Fertilization In The Production Of Wheat And Maize In The Northern China Plain
15. Greenhouse Gases Emission From Soil And Carbon-nitrogen Budget In The Northern China Plain With High Productivity
16. The Resistance Gene Frequency To Cry1Ac Toxin In Helicoverpa Armigera Populations Collected From Bt Cotton Planting Region Of Northern China
17. The Genetic Diversity Of Spring Sowing Soybean In Northern China
18. Response To Climate Changes On The Eco-systems Of Farming-Pastoral Region And Eco-economical Efficent Of Different Pattern In Northern China
19. Effect Of Partial Displacement Ventilation On Environmental Factors Of Multi-Span Greenhouses In Northern China
20. Population Genetic Structure Of Oxya Chinensis From Northern China And The Relationship Among Allozyme Genotypes And Malathion Acute Toxicity
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