The preliminary estimation of growth and flowering of Delphinium grandiflorum L. in pot cultures, according to Osmocote Plus supplies
2004
Kozik, E. | Henschke, M.,Akademia Rolnicza, Poznan (Poland). Katedra Nawozenia Roslin Ogrodniczych
Plants of Delphinium grandiflorum Blauer Spiegel grown in pots were supplied with Osmocote Plus 3-4 months release and 5-6 months release at amounts: 1.5, 2.5, 3.5 g/cubic dm of substrate. The influence of type and doses of fertilizer were estimated by biometrical measurements at full blossoming. The contents of macro- and microcomponents were indicated in average substrate and leaves samples. The use of Osmocote Plus 3-4 M for Delphinium grandiflorum resulted in plants of higher number of longer side shoots and more flowers than in case of Osmocote 5-6 M. Plants supplied with Osmocote 3.5 g/cubic dm substrate were the most decorative. At this dose the content of nitrogen - total in leaves was 2.25-2.79 percent and potassium 3.41-3.46 percent
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