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Original scientific paper

STEM YIELD OF HEMP CULTIVAR KOMPOLTI IN RELATION TO PLANT DENSITY AND NITROGEN FERTILIZATION

Zvjezdana Augustinović orcid id orcid.org/0000-0002-1823-4986 ; College of Agriculture at Križevci
Milan Pospišil orcid id orcid.org/0000-0002-9972-3940 ; Faculty of Agriculture University of Zagreb
Jasminka Butorac ; Faculty of Agriculture University of Zagreb
Marcela Andreata-Koren ; College of Agriculture at Križevci
Marijana Ivanek-Martinčić ; College of Agriculture at Križevci
Antun Kisela ; College of Agriculture at Križevci


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Abstract

The aim of the study was to determine the optimum sowing density and nitrogen
fertilization for hemp cultivar Kompolti grown for stem. The investigations were carried
out by means of field experiments on the College of Agriculture in Križevci
experimental station in years 2003., 2004. and 2005. The Hungarian cultivar Kompolti
was used in the experiment.
Three different sowing densities (100, 200 and 300 viable seeds/m2) and four
nitrogen rates (0, 60, 120 and 180 kg N/ha) were investigated in the experiment. The
experiment was set according to the split-block method in five replications.
Cultivar Kompolti achieved very high total biomass and air-dry stems yield
(average 34.6 t / ha and 14.3 t / ha) in all three climatically very different experimental
years.
The results of the study show that in order to achieve high yields of the stem 300
viable seeds/m2 should be sown and fertilized with 180 kg N/ha, if quantity and quality
of fiber is not important.

Keywords

industrial hemp, cultivar Kompolti, sowing densitiy, nitrogen fertilization, biomass yield, air-dry stem yield

Hrčak ID:

99130

URI

https://hrcak.srce.hr/99130

Article data in other languages: croatian

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