Abstract
Introduction: Canola production requires considerable nitrogen fertilisation, which negatively impacts the environment. This study evaluated the effects of Sunn hemp cover crop, nano zinc and copper, and nitrogen fertiliser on grain, oil and protein yields at Syferkuil and Ofcolaco during 2023 and 2024. Methods: Cover crop was planted, slashed, and incorporated into the soil 60 days after planting, then followed by canola in a split split-plot design with 16 treatments and 3 replications. Statistical analysis was conducted using JASP software 0.19.3. Results: Results showed increases in grain yield (17% to 43%), oil yield (21% to 68%), and protein yield (21% to 47%) with cover crop incorporation, although location-specific variances were noted. At Syferkuil, nano zinc and copper enhanced grain yield by 15% to 17% and protein yield by 16% to 27%. Nitrogen fertilisation at 120 kgN ha-1 also resulted in higher oil yields, which was comparable to 180 kgN ha-1, although this varied across seasons and locations. Discussion: Overall, cover crop, nano zinc and copper can reduce nitrogen inputs while maintaining oil yield depending on specific conditions.
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Claims 7
Claim · model-written summary
Cover crop incorporation raised canola grain yield by 17% to 43%.
- Taxon
- Canola
.jpg?width=60)
Brassica napus var. napust0 - Treatment
- cover crop incorporatione0
- Outcome
- grain yielde0
- Direction
- increasese0
- Value
- 17% to 43%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“increases in grain yield (17% to 43%), oil yield (21% to 68%), and protein yield (21% to 47%) with cover crop incorporation”
t0“Canola”
Claim · model-written summary
Cover crop incorporation raised canola oil yield by 21% to 68%.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- cover crop incorporatione0
- Outcome
- oil yielde0
- Direction
- increasese0
- Value
- 21% to 68%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increases in grain yield (17% to 43%), oil yield (21% to 68%), and protein yield (21% to 47%) with cover crop incorporation”
t0“Canola”
Claim · model-written summary
Cover crop incorporation raised canola protein yield by 21% to 47%.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- cover crop incorporatione0
- Outcome
- protein yielde0
- Direction
- increasese0
- Value
- 21% to 47%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increases in grain yield (17% to 43%), oil yield (21% to 68%), and protein yield (21% to 47%) with cover crop incorporation”
t0“Canola”
Claim · model-written summary
At Syferkuil, nano zinc and copper raised canola grain yield by 15% to 17%.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- nano zinc and coppere0
- Outcome
- grain yielde0
- Direction
- enhancede0
- Value
- 15% to 17%e0
- Setting
- Syferkuile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At Syferkuil, nano zinc and copper enhanced grain yield by 15% to 17% and protein yield by 16% to 27%”
t0“Canola”
Claim · model-written summary
At Syferkuil, nano zinc and copper raised canola protein yield by 16% to 27%.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- nano zinc and coppere0
- Outcome
- protein yielde0
- Direction
- enhancede0
- Value
- 16% to 27%e0
- Setting
- Syferkuile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At Syferkuil, nano zinc and copper enhanced grain yield by 15% to 17% and protein yield by 16% to 27%”
t0“Canola”
Claim · model-written summary
Nitrogen at 120 kgN ha-1 increased oil yield comparably to 180 kgN ha-1, with variation across seasons and locations.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- Nitrogen fertilisation at 120 kgN ha-1e0
- Outcome
- oil yieldse0
- Direction
- highere0
- Qualifier
- varied across seasons and locationse0
- Comparator
- 180 kgN ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen fertilisation at 120 kgN ha-1 also resulted in higher oil yields, which was comparable to 180 kgN ha-1, although this varied across seasons and locations”
t0“Canola”
Claim · model-written summary
Cover crop and nano zinc and copper may reduce nitrogen inputs while maintaining canola oil yield under some conditions.
- Taxon
- CanolaBrassica napus var. napust0
- Treatment
- cover crop, nano zinc and coppere0
- Outcome
- reduce nitrogen inputs while maintaining oil yielde0
- Qualifier
- depending on specific conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cover crop, nano zinc and copper can reduce nitrogen inputs while maintaining oil yield depending on specific conditions”
t0“Canola”
The same questions in other papers
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See all 378 papers →cover crop · quality: oil · Brassica napus (oilseed rape)Results agree
1 paper in the same direction as this paper
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8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.