Abstract
English lavender (Lavandula angustifolia) is common to the Mediterranean region and belong to the Lamiaceae family. In Malaysia, lavender successfully cultivated at Cameron Highland. L. angustifolia has valuable application such as essential oil, cut flowers, and dried flower. Lavender is also cultivated at lowland area in Malaysia but limited to its ornamental value due to temperature factor. Recently, the use of biochar as an agricultural amendment has attracted much attention owing to its potential to improve soil condition and plant growth. However, effectiveness of biochar towards lavender cultivation has not been studied. Hence, this study was conducted to investigate the effects of different biochar substrates on the growth quality of English lavender at low land in Terengganu, Malaysia. The lavender was propagated by stem cuttings. The three different types of treatment involved were top soil: sand as control media, while soil:sand: paddy husk biochar and soil:sand: coconut shell biochar as the treatments. The parameters observed were plant height, stem diameter, number of branches, the fresh and dry weight of upper plants and the roots. The results are promising as the paddy husk biochar was able to promote root production and hence produced taller and more vigorous plants as compared to other treatments. Thus, a growing media combination of soil:sand: paddy husk biochar could be suggested as effective growing media for English lavender cultivated at low land of Malaysia.
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