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Title: Phosphorus Fertilizer Management for Head Cabbage 
Author: Deenik, J; Hamasaki, R; Shimabuku, R; Nakamoto, S; Uchida, R
Date: 2006-10
Publisher: University of Hawaii
Citation: Deenik J, Hamasaki R, Shimabuku R, Nakamoto S, Uchida R. 2006. Phosphorus fertilizer management for head cabbage. Honolulu (HI): University of Hawaii. 6 p. (Soil and Crop Management; SCM-16).
Abstract: Repeated long-term applications of blended fertilizers (containing N, P, and K) have resulted in soil P levels that are in excess of optimal in many situations. Field experiments on five farms (on three soil series) compared farmer practice (blended fertilizers) with applying urea-N alone. Data were used to develop a soil P critical range beyond which further P need not be applied. Cost analysis compared farmer practice with the recommendations developed by the research.
Series/Report No.: Soil and Crop Management
16
Pages/Duration: 6 pages
URI: http://hdl.handle.net/10125/12458
Keywords: inorganic phosphorus, soil nutrient balance, nutrient excess, fertilizer use reduction, input costs, Hawaii

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