00749naa a2200169 a 450000100080000000500110000800800410001910000170006024500500007726000090012730000160013652002550015265000210040770000200042870000190044877301120046721195492025-03-21 1987 bl uuuu u00u1 u #d1 aSMYTH, T. J. aGuarana fertilization.h[electronic resource] c1987 ap. 100-101. aThe objectives of this study were 1) to characterize the yield response curves of guarana (Paullinia cupana) to rates of N, P, K, and Mg fertilization, and 2) to establish soil-test and tissue-analysis calibration data on guarana for these nutrients. aPaullinia Cupana1 aCRAVO, M. da S.1 aESCOBAR, J. R. tIn: CAUDLE, N. (Ed.). Tropsoils technical report 1985-1986. Raleigh: North Carolina State University, 1987.