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Biomass and seeds production of hemp (\kur{Cannabis sativa}) grown in organic farming
KAŠPAR, Jan
Hemp is a significant oil and fibre crop that finds its use again, due to its almost 100% biodegradability, various use but also its specific features. The aim of this thesis was to evaluate the influence of the variety on hemp production and possibilities of the hemp cultivation in organic farming in different ways of its use. Five varieties of hemp (Fortuna 75, Carmagnola, KC Zuzana, KC Virtus, Felina 32) cultivated in organic farming in the Velhartice area were used for evaluating the density and the health status of the stand, plant height and diameter, yield of fibre, hurds and total biomass. We can recommend growing hemp in organic farming because hemp achieved yields similar to average production from the conventional farming system there. We can recommend KC Virtus and Felina 32 variety, which reached a high yield of achenes and inflorescences for the combined production of biomass and achenes or biomass and inflorescences. The KC Virtus variety reached the highest fibre (2.8 t/ha) and hurds production (8.3 t/ha) too.
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