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Title: Response of Chinese Taro (Colocasia esculenta (L.) Schott var. 'Bun Long') to Nitrogen and Potassium Fertilization 
Author: Silva, James A.; Sato, Dwight; Leung, PingSun; Santos, George; Kuniyoshi, James
Date: 1990-01
Publisher: University of Hawaii
Citation: Silva JA, Sato D, Leung PS, Santos G, Kuniyoshi J. 1990. Response of Chinese taro (Colacasia esculenta (L.) Schott var. ‘Bun Long’) to nitrogen and potassium fertilization. In: Hollyer JR, Sato DM, editors. Proceedings of Taking Taro into the 1990s: A Taro Conference. Taking Taro into the 1990s: A Taro Conference; 1989 Aug 17; Hilo, Hawaii. Honolulu (HI): University of Hawaii. p. 60-70.
Abstract: The response of Chinese Taro (Colocasia esculenta (L.) Schott variety 'Bun Long') to 12 treatment combinations of nitrogen (N) and potassium (K) was determined on a crop grown for 9 months. Nitrogen had the greatest effect on weight of number 1 corms while K had relatively little effect. The highest yields were obtained with the higher rates of N (>320 lb N/acre) at all rates of K. A predicted net revenue of $16/200 to $17/000 may be achieved with applications of 460 and 600 lb N (1000 and 1305 lb Urea) per acre at all rates of K and also with 320 lb N and 600 lb K (695 lb urea and 1185 lb muriate of potash) per acre. A tentative fertilizer recommendation for the highest net revenue is 460 lb N (1000 lb urea) and 600 lb K (1185 lb muriate of potash) per acre. A tentative adequate range for leaf N at 3 months is 4.3 to 4.5 per cent and for leaf K is 4.1 to 4.3 per cent.
Series/Report No.: Research Extension Series
Pages/Duration: 11 pages
ISSN: 0271-9916
Keywords: Colocasia esculenta, Hawaii, nitrogen fertilizers, nutrient management, potassium fertilizers, taro

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