Biblio
“Worldwide production of blackberries, 1995 to 2005 and predictions for growth. ”, HortTechnology, vol. 17, pp. 205-213, 2007.
, “Slope-based and ratio-based approaches to determine fertilizer-derived N in plant tissues for established perennial plants”, J. Hort. Sci. and Biotech., vol. 82, pp. 641-647, 2007.
, “Analysis of ratio-based responses.”, . Amer. Soc. Hort. Sci., vol. 132, pp. 3-13, 2007.
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