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Keyword [Critical]
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21. Study On Characters Of Photo-Thermo Sensitive Genic Male Sterile Rice Lines Adapting To Climate Of Yanbian Region
22. Experimental Study On Dynamic Process Of Soil Erosion On Loess Slope
23. A Critical Technology Research Of Automatic Water Delivery And Distribution In Thrift Irrigation District
24. The Study On Weeds Control Threshold And Competition Between Soybean And Weeds
25. Study On The Application And Promotion Of HACCP In Non-public Hazard Swine Production
26. Establishment And Practice Of HACCP System On Swine Feed Process
27. A Study On Thermo-photosensitivity Characteristic Of Fertility Transfer Of Dual-purpose Genic Male Sterile Line Of Sorghum At High Critical Temperature
28. Study On Tolerance Ability Of Cucumber Under Low Temperature And Poor Light Stress And The Seedling Stage Evaluation Method
29. Study On The Simulation Of Water-Salt Dynamic And The Optimal Drainage Model In The Northwest Drought Region
30. Study Of Penaeus In Safe Aquaculture And Processing Management Model
31. Preliminary Study On Application Of Hazard Analysis And Critical Control Point(HACCP) In Commercial Broiler At Farm Level
32. Development Of One-Step Centralized Type Pneumatic Seeding System
33. Study On The Effects Of Different Photoperiod On The Inflorescence Of Camellia Japonica
34. Expansion And Application Of Hazard Analysis Critical Control Point (HACCP) Systems In Harmless Meat Chicken Production
35. Studies On Chilling Injury Of Honey Dew (Cucumis Melo L.)
36. The Effects Of Low Temperature And Poor Light On The Growth Physiological Characteristics Of Photosynthesis In Pepper Seedlings(Capsicum Annuum L.)
37. Experimental Study Of The Mechanical Properties Of Wheat Stems
38. Studies On Effects Of Air Temperature On Heterosis Expression And Yield Seed Production Of Hybrid Cotton
39. Studies On Applied Basis Of Dual-purpose Genic Male Sterile Rice 9771S
40. Calcium Content Of Sichuan Basic And Crop Reponse To Calcium Fertilizer
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