During the first three months, the NPK 7-40-19 fertilizer was administered; the NPK 2010-20 formula was added in the course of the subsequent months, and the NPK 4-25-35 formula, during the last three months.
En los tres primeros meses se suministró la fórmula 7-40-19 N-P-K, en los siguientes seis meses se adicionó la fórmula 20-10-20 N-P-K y en los últimos tres meses 4-25-35 N-P-K.