权威例句
Tuber crops[Tuber crops]The tropical tuber cropsThe Tropical Tuber Crops: Yam, Cassava, Sweet Potato, CocoyamsTropical root and tuber crops: cassava, sweet potato, yams and aroids.Tropical root and tuber crops: cassava, sweet potato, yams and aroids.Global projections for root and tuber crops to the year 2020Lebot, V . Tropical Root and Tuber Crops: Cassava, Sweet Potato, Yams and AroidsThe tropical tuber crops; yams, cassava, sweet potato and cocoyams: I.C. Onwueme. John Wiley and Sons, Chichester, 1978. xiv 234 pp...The Chemical Control of Postharvest Diseases: Deciduous Fruits, Berries, Vegetables and Root/Tuber Crops