P. Monjardino, E. Bairos, A. Melo, L. Ornelas, J.A. Pinheiro, D.G. Malan
Leucospermum cultivars ‘Tango’ and ‘Succession II’ are only occasionally fertilized in the Azores. This is mainly because the local volcanic soils where these crops are cultivated often contain high levels of most nutrients and with limited irrigation practices it is not clear what will be the cost/benefit of foliar fertilization or fertigation. During the 2009-2010 growing season, four foliar fertilization regimes were tested, which were: Ca+Mg+micronutrients, K+Ca+Mg+micronutrients, N+Ca+Mg+micronutrients, and N+P+K+Mg+micronutrients. In this presentation we report yield measurements, stem lengths, the harvest season, and stem and foliar defects of these two cultivars. In cases where pruning of the tip of the stem was required, we relate it with the harvest season. We concluded that the K+Ca+Mg+ micronutrients fertilization regime gave the best results in ‘Tango’, whereas in ‘Succession II’ there was no fertilization regime that improved any of the parameters.
Monjardino, P., Bairos, E., Melo, A., Ornelas, L., Pinheiro, J.A. and Malan, D.G. (2012). FOLIAR FERTILIZATION TRIALS OF 'TANGO' AND 'SUCCESSION II' IN AZORES. Acta Hortic. 937, 789-800
DOI: 10.17660/ActaHortic.2012.937.97
foliar fertilization, 'Tango', 'Succession II'

Acta Horticulturae