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Keyword [North China]
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1. Study On Effects And Mechanisms Of Penicillium Oxalicum On Solubilization Of Insoluble Phosphate From Calcareous Soils In North China
2. Optimization Of Cropping Pattern And Planting Structure For Water-Saving In North China Plain--Case Study In Shunyi County In Beijing
3. The Research On The Agro-ecosystem Productivity Development In The Ecotone In Dry-semidry Area Between Agriculture And Pasture In North China
4. The Effects Of Agricultural Land Use On Biodiversity And Change Of Soil Organic Carbon In North China Plain
5. Experimentation And Simulation On Carbon And Nitrogen Cycle
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
7. Characteristics Of Soil Temperature And Soil Water For Winter Wheat With No-tillage And Effect On Winter Wheat Growth In North China Plain
8. Studies Of Water, Heat And CO2 Fluxes Over A Crop Field In The North China Plain
9. Field Water Consumption And Control Of No-tillage With Mulch Soil-Crop System For Double Cropping Region In North China
10. Land Use Security Pattern For Farming-pastoral Zone Of North China, A Case Study At Changchuan Watershed
11. A Study On The Historical Change Of Forest\Grassland And Eco-catastrophes In North China
12. Health Analysis And Evaluation Of The Main Forest Types In The Typical Soil-gravel Area In North China
13. Studies On Ecology Of Tree Sparrow With Reference To The Residue Of Organochlorine Pesticides In Sparrow Tissues In Agricultural Area Of Langfang Hebei Province
14. Basic Study On Directional Adjustment And Control For Stable Protective Forest System Structure In Mountain And Stony Area Of North China
15. Effect Of Long-term Application Of Potassium On Soil K, Crop Yield And Quality In Selected Soils From North China
16. Soil Nutrient Distribution Character Of The Main Grain Production Region In North China
17. Simulation Of Regional Winter Wheat Growth Using Remote Sensing Data And Crop Growth Model
18. Diversity And Ecological Distribution Of Endophytic Fungi Of Common Medicinal Plants In North China
19. Study On Nutrient Absorption And Utilization Of Maize (Zea Mays L.) In Different Regions In North China
20. Study On Nitrogen Fate And Efficiency Of Organic Manure In Wheat-Maize Rotation In North China Plain
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