Variability of cannabinoid yields of fibre hemp cultivars depending on the sowing density and nitrogen fertilisation

Joanna Poniatowska, Katarzyna Panasiewicz, Milena Szalata, Livia Zarina, Sanita Zute and Karolina Wielgus
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Joanna Poniatowska: Department of Agronomy, University of Life Sciences, Poznan, Poland
Katarzyna Panasiewicz: Department of Agronomy, University of Life Sciences, Poznan, Poland
Milena Szalata: Department of Biotechnology, Institute of Natural Fibres and Medicinal Plants, Poznan, Poland
Livia Zarina: Institute of Agricultural Resources and Economics, Crop Management Department at Priekuli Research Centre, Priekuli, Latvia
Sanita Zute: Institute of Agricultural Resources and Economics, Crop Management Department at Stende Research Centre, Stende, Latvia
Karolina Wielgus: Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland

Plant, Soil and Environment, 2022, vol. 68, issue 11, 525-532

Abstract: The aim of the experiments was to determine the effect of sowing density and nitrogen fertilisation on the cannabidiol (CBD) and Δ9-tetrahydrocannabinol (Δ9-THC) yields in selected cultivars of fibre hemp. A three-factor field experiment was conducted in 2014-2016. Factor A: cultivar (Futura 75, KC Dora and Tygra), factor B: sowing density (60 and 180 seeds/m2) and factor C: nitrogen fertilisation (0, 30, 60 and 90 kg/ha). The CBD yield ranged from 10.52 g/m2 in cv. Tygra to 10.99 g/m2 in cv. KC Dora. Among the examined cultivars, the highest yield of Δ9-THC in cv. KC Dora was observed. Sowing density did not modify the CBD yield, but increasing the density from 60 to 180 seeds/m2 caused an increase in the yield of Δ9-THC in cvs. KC Dora and Tygra. Nitrogen fertilisation significantly influenced the yields of CBD and Δ9-THC. In both cases, yield increased until the rate of 60 kg N/ha.

Keywords: Cannabis sativa L.; agrotechnical factors; productivity (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:68:y:2022:i:11:id:223-2022-pse

DOI: 10.17221/223/2022-PSE

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