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Keyword [Double Cropping]
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21. A Comparative Study On Ecoligical And Economical Effects Of Wheat-based Double Cropping System In Hebei Plain
22. Study Of Water Effect In Double Cropping System On Dry-Farming Lands In Subhumid Regions Of Loess Plateau
23. Effects Of Tillage And Cultivation On Wheat-Rice Productivity In A Wheat-Rice Double Cropping System
24. Effects Of Straw Mulching On Soil Properties And Yield Of Double Cropping Late-Season Rice (Oryza Sativa L.)
25. Studies On The Effects Of Different Cultivation Patterns On The Growth And Yield Of Double Cropping Rice
26. Study On Methane Emission From The Double-Cropping Rice In Hunan Red Soil Under Different Long-Term Fertilizing Systems
27. Studies On Cultivation Mode And Slow-release Nitrogen Fertilizer Effect Of Double Cropping Rice
28. Research On Conservation Tillage And Fertilization Under Wheat-maize Double Cropping System In North China Plain
29. Effects Of Different Fertilization Methods On The Content Of Soil Nutrients And Nutrients Uptake And Utilizations In Double Cropping System Of Wheat And Maize In Chao Soil
30. Effect Of Different Biogas Fertilizer On Soil Water, Nutrient And Crop Yeild Of Wheat-Cotton Communtity
31. Study On Water Effect Of Double Cropping Of Dry Farmland In The Subhumid Area Of Loess Plateau
32. Study On The Effects Of Straw Returning To Soil In High-yield Rice-wheat Double Cropping System
33. Effects Of Long-term Fertilization On Crop Photosynthesis And Protective Enzyme Activities Under Wheat-maize Double-cropping System
34. Studies On The Population Characteristics And Nitrogen Uptake And Utilization Of Super-high Yield Of Double Cropping Early Rice In The Middle Reaches Of Yangtze River
35. Study On Cultivation Models For Double-season Maize In Paddy Field In Southern China
36. Safety Studies Of Chlorantraniliprole On Main Predatory Natural Enemies In Double-Cropping Paddy Fields
37. Effects Of Different Cultivation Patterns On Yield And Some Physiological Characteristics Of Double Cropping Super Rice
38. Study On Key Cultivation Techniques And Yield Performance And Resources Efficiency Of Double Cropping Maize In Huanghuaihai Regions
39. Study On Performance Test And Effect Comparison Of Three Kinds Of Wheat No-till Planter
40. Study On Difference Of Growth Compensation Effect Of Seeding Quality Or Planting Density For Duble Season Rice Hybrid Cultivars With Different Yield Stability Characteristic
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