..............page:1-4,19
..............page:20-22,33
Breeding Technique of Oriental Tobacco
wei tuan-ren liu guang-hua zhang hong-mei shu ze-chun chen yu-fu institute of tropical and sub-tropical economic crops; yunnan academy of agriculture; baoshan 678025; china
..............page:32-33
..............page:34-35,44
..............page:23-25,37