Changes in Growth and Chemical Composition of the Essential Oil from Flowers and Leafy Stems of <i>Lavandula angustifolia</i> Grown in Media Amended with Bark and Sewage Sludge.

ABSTRACT: The growing medium is one of the key factors determining the yield and quality of lavender oil. The research conducted in greenhouse conditions aimed to assess the impact of a substrate with a reduced peat content enriched with compost from sewage sludge and bark on the growth, yield, and chemical composition of the oil from the inflorescences and leafy stems of English lavender 'Sentivia Blue'. The plants were grown in pots filled with peat and chemical fertilizer, or in a substrate containing bark and sewage sludge compost, with or without fertilizer. Media affected the growth, leaf greenness index, and biomass production of lavender. Plants growing in peat with fertilizer were the tallest and widest. In turn, the highest number of inflorescences and the highest dry weight of inflorescen

SUBMITTER: Zawadzinska A 

PROVIDER: S-EPMC12693513 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature