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Keyword [cropping-system]
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41. Potential And Development Approach Of Water Saving In Yellow River Irrigated Area Of Ningxia Province
42. The Effect Of Different Agricultural Measures To Soil And Water Conservation Of Sloping Land In Yunnan
43. Evaluation Of Cropping Patterns In Yellow River Irrigation Region In Ningxia
44. Study On Soil Fertility Under Straw Mulching Of Rice-wheat/rape Cropping System On The Paddy Field In Central Hilly Area Of Sichuan
45. Effects Of Planting System On Growth And Quality Of Flue - Cured Tobacco In Longjiang 981
46. Effects Of Different Nitrogen Levels, Inculated Rhizobia On Mixed Cropping System
47. Study On Temporal And Spatial Dynamic Distribution Of Cotton Root And Effectivity Of Root Exudates In The Cotton-wheat Inter-cropping System
48. On Development Trend Of Cropping System Under New Situation Based On Sample Analysis Of Xin Yang City He'nan Province .PRC
49. Application Of The PCR-DGGE To Analyze The Community Biodiversity Of Soil Bacteria In Intensive Cropping System
50. Effects Of Distribution Patterns Of Nitrogen Fertilizer On Yield, Quality And Nitrogen Uptake Of Rice In Double-Cropping System
51. Integrative Benefit Evaluation To A Highly Efficient Technique System Of Wheat-Maize Double Cropping System
52. Study On Cropping System Improvement Of Tobacco Production Area In Liu-Yang
53. Studies On The Fertilizer-Protection In Xingshan Area For Tobacco-planting
54. The Study On Farming System And Area Distribution In Liupanshui City Of Guizhou Province
55. Study On GIS And Model-Based Cropping Design System
56. GIS-Based Crop Production Management System
57. A Comparative Study On Ecoligical And Economical Effects Of Wheat-based Double Cropping System In Hebei Plain
58. Effects Of Straw Incorporation In Wheat-maize Cropping System By Farm Mechanization
59. Study Of Water Effect In Double Cropping System On Dry-Farming Lands In Subhumid Regions Of Loess Plateau
60. Effects Of Tillage And Cultivation On Wheat-Rice Productivity In A Wheat-Rice Double Cropping System
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