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Keyword [sowing]
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1. Studies On Germplasm Resources Of Houttuynia Thunb
2. Knowledge Model-Based Decesion Support System For Cotton Management
3. Study On Ecological Characteristic And Technique For Safe,Good Quality And High Benefit Of Rice-fish Culture
4. Study On Key Factors Affecting Seed Production And Contributing To Yield Of Alfalfa (Medicago Sativa)
5. Genotypic And Ecological Effects On Grain Quality Formation In Winter Wheat
6. Study On The Physiological And Ecological Base Of Quality Formation Of Rapeseed
7. Research Of Theory And Experiment On Air Suction Seed-metering Device For Direct Drilling Of Rice Bud-sowing
8. Division Of Forage Grass Grown Areas And The Cultivation Models In The Three Gorges Area
9. Experimental Study And Design Of Waterway System Of Irrigating-sowing Machine
10. Comparative Studies On Growth Characters And Source-sink Relationships Of Different Types Of Ratooning Rice
11. Study On Breeding New Super-high Yield Wheat Varieties Which Can Be Sowed And Harvested Earlier To Adapt To The Rotation Of Winter Wheat (Triticum Aestivum L.) And Rice (Oryza Sativa) In The Sichuan Basin
12. Study On Seed-base Method For Afforestation In Saline Land In Hebei And Rocky Mountainous Area In Beijing
13. Design And Study On Rice Rope Direct Seeding Machine
14. Research On Techniques Of Plant Population Configuration Under Maize/Soybean Relay-cropping System And Their Effects On Soybean
15. Canopy Structure Characteristics, Solar Radiation Use Efficiency And Their Effects On Grain Yield In Super Hybrid Rice
16. Study On Ecological Optimization Of Farming System In The Farming-Pastoral Zone Of The Songnen Plain Under Global Climate Change
17. Effects Of Straw Returned To The Field On Growth And Yield Of Summer Maize In Lime Concretion Black Soil Region With Wheat-maize Rotation Pattern
18. Mechanism On Genotypic Differences In Cotton (Gossypium Hirsutum L.) Fiber Srength Formation
19. Physiological And Ecological Effects Of Wheat And Maize Straw Returned To The Field On Winter Wheat In Lime Concretion Black Soil
20. Research On Irrigstion Infiltration Effect In Bed-Irrigating Sowing And Loose Soil Tillage Methods
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