Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 1
Written by Cristina MĂNESCU, Alina Eliza DUDĂU
Although lavender grows in its native environment in rocky and poor soils, various studies have shown that it responds positively to fertilizers, increasing not only the yield but also the quantity and quality of the essential oil. In order to determine the most effective type of fertilizer - organic or mineral, young plants of the Sevtopolis lavender cultivar were tested in a field experiment conducted in the village of Rădulești, Ialomița County, in south-east of Romania. Fertilizers were applied before vegetation, using either yard waste compost or a mineral fertilizer containing 11-11-21 macronutrients and micronutrients. The results showed that in the first year of growth, the mineral fertilized plants had grown less. Floral initiation and flowering period were not influenced by the type of fertilizers. The length of flowering stem and the size of inflorescence were smaller in case of mineral fertilization but the number of inflorescences was significantly lower in lavender plants fertilized with compost.
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