Abstract
The research was carried out at the Upytė Experimental Station of the Lithuanian Research Centre for Agriculture and Forestry in 2015–2016. The effect of sowing rate (50, 75, 100 kg ha–1) and fertilization rate (N0P0K0; N45P45K45; N45P45K45 + N34.4; N45P45K45 + N68.8) on the weeds suppression in the crop of hemp cultivars ‘Uso 31’ and ‘Felina 32’ was evaluated. It was found that in the crop of both investigated cultivars the least amount of declined weeds was when growing hemps without fertilizers. A positive, strong, moderately strong and statistically significant correlation (P < 0.05) was identified between the fertilization rate and the amount of declined weeds. Increasing the sowing rate of the investigated hemp cultivars resulted in an increase of the amount of weeds declined during vegetation. A positive, strong, moderately strong and statistically significant correlation (P < 0.05) was obtained between the sowing rate and the amount of declined weeds during vegetation, except cultivar ‘Uso 31’ under meteorological conditions favourable for hemp growing.
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Claims 4
Claim · model-written summary
In both hemp cultivars the fewest declined weeds occurred when hemp was grown without fertilizers.
- Taxon
- hemp
Cannabis sativa subsp. sativat0 - Treatment
- without fertilizerse0
- Outcome
- amount of declined weedse0
- Direction
- leaste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“crop of hemp”
e0“the least amount of declined weeds was when growing hemps without fertilizers”
Claim · model-written summary
Fertilization rate was positively and significantly correlated with the amount of declined weeds (P < 0.05).
- Taxon
- hempCannabis sativa subsp. sativat0
- Treatment
- fertilization ratee0
- Outcome
- amount of declined weedse0
- Direction
- positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“crop of hemp”
e0“A positive, strong, moderately strong and statistically significant correlation (P < 0.05) was identified between the fertilization rate and the amount of declined weeds”
Claim · model-written summary
Increasing the sowing rate of hemp cultivars increased the amount of weeds declined during vegetation.
- Taxon
- hempCannabis sativa subsp. sativae0
- Treatment
- Increasing the sowing ratee0
- Outcome
- amount of weeds declinede0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“crop of hemp”
e0“Increasing the sowing rate of the investigated hemp cultivars resulted in an increase of the amount of weeds declined during vegetation”
Claim · model-written summary
Sowing rate was positively and significantly correlated with declined weeds (P < 0.05), except for cultivar Uso 31 under favourable meteorological conditions.
- Taxon
- hempCannabis sativa subsp. sativat0
- Treatment
- sowing ratee0
- Outcome
- amount of declined weedse0
- Direction
- positivee0
- Qualifier
- except cultivar ‘Uso 31’e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“crop of hemp”
e0“A positive, strong, moderately strong and statistically significant correlation (P < 0.05) was obtained between the sowing rate and the amount of declined weeds during vegetation”
e1“except cultivar ‘Uso 31’ under meteorological conditions favourable for hemp growing”
The same questions in other papers
density · weed · Cannabis sativaPositive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.