Abstract
Legume-grass mixed cropping has significant advantages that affect crop yield and soil resources. Generally, grasses grown with legumes take up more nitrogen than those grown under sole cropping. We focused on the effect of cutting hairy vetch during a vigorous growth stage on N uptake in oat under mixed cropping. We evaluated the amounts of N transferred from hairy vetch to oat by using a 15N dilution method. Cutting hairy vetch increased the number of tillers and dry weight of oat, but total N content was not significantly higher than that under mixed cropping without cutting. In contrast, the amount of N transferred to oat was increased by cutting. Estimated amounts of N transferred to oat were 2.7 g m-2 with cutting of hairy vetch and 0.8 g m-2 without cutting. Cutting half of the oats under sole cropping did not indicate the transfer of rhizodeposited N in oat to the residual plants. In addition, cutting hairy vetch increased the amounts of accumulated solar radiation in the middle canopy of the mixed cropping plots. Therefore, in a hairy vetch and oat mixed cropping system, cutting of the hairy vetch might enhance growth of oat due to the transfer of N from hairy vetch and the reduction of light interception to the oat canopy. N fertility enhancement of the soil by cutting of the legume would be valuable for low-input crop production.
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Claims 9
Claim · model-written summary
Cutting hairy vetch increased oat tiller number.
- Taxon
- oat
Avena sativae0 - Treatment
- Cutting hairy vetche0
- Outcome
- number of tillerse0
- Direction
- increasede0
- Comparator
- mixed cropping without cuttinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cutting hairy vetch increased the number of tillers and dry weight of oat, but total N content was not significantly higher than that under mixed cropping without cutting.”
Claim · model-written summary
Cutting hairy vetch increased oat dry weight.
- Taxon
- oatAvena sativae0
- Treatment
- Cutting hairy vetche0
- Outcome
- dry weighte0
- Direction
- increasede0
- Comparator
- mixed cropping without cuttinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cutting hairy vetch increased the number of tillers and dry weight of oat, but total N content was not significantly higher than that under mixed cropping without cutting.”
Claim · model-written summary
Oat total nitrogen content after cutting hairy vetch was not significantly higher than without cutting.
- Taxon
- oatAvena sativae0
- Treatment
- Cutting hairy vetche0
- Outcome
- total N contente0
- Direction
- not significantly highere0
- Comparator
- mixed cropping without cuttinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cutting hairy vetch increased the number of tillers and dry weight of oat, but total N content was not significantly higher than that under mixed cropping without cutting.”
Claim · model-written summary
Cutting hairy vetch increased nitrogen transfer to oat.
- Taxon
- oatAvena sativae0
- Treatment
- cuttinge0
- Outcome
- amount of N transferred to oate0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the amount of N transferred to oat was increased by cutting.”
Claim · model-written summary
Estimated nitrogen transfer to oat was 2.7 g m-2 with cutting and 0.8 g m-2 without cutting.
- Taxon
- oatAvena sativae0
- Treatment
- cutting of hairy vetche0
- Outcome
- amounts of N transferred to oate0
- Value
- 2.7 g m-2e0
- Qualifier
- 0.8 g m-2e0
- Comparator
- without cuttinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Estimated amounts of N transferred to oat were 2.7 g m-2 with cutting of hairy vetch and 0.8 g m-2 without cutting.”
Claim · model-written summary
Cutting half the oats in sole cropping did not indicate nitrogen transfer to residual plants.
- Taxon
- oatAvena sativae0
- Treatment
- Cutting half of the oatse0
- Outcome
- transfer of rhizodeposited N in oat to the residual plantse0
- Direction
- did not indicatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cutting half of the oats under sole cropping did not indicate the transfer of rhizodeposited N in oat to the residual plants.”
Claim · model-written summary
Cutting hairy vetch increased accumulated solar radiation in the middle canopy.
- Taxon
- hairy vetch
Vicia villosae0 - Organ / stage
- middle canopye0
- Treatment
- cutting hairy vetche0
- Outcome
- amounts of accumulated solar radiatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cutting hairy vetch increased the amounts of accumulated solar radiation in the middle canopy of the mixed cropping plots.”
Claim · model-written summary
The authors suggest cutting hairy vetch could enhance oat growth through nitrogen transfer and reduced light interception.
- Taxon
- oatAvena sativae0
- Treatment
- cutting of the hairy vetche0
- Outcome
- growth of oate0
- Qualifier
- transfer of N from hairy vetch and the reduction of light interception to the oat canopye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cutting of the hairy vetch might enhance growth of oat due to the transfer of N from hairy vetch and the reduction of light interception to the oat canopy.”
Claim · model-written summary
The authors consider soil nitrogen fertility enhancement by cutting legumes valuable for low-input crop production.
Verbatim
e0“N fertility enhancement of the soil by cutting of the legume would be valuable for low-input crop production.”
The same questions in other papers
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See all 20 papers →pruning · nutrient: content · Avena sativa (oats)Results agree
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- no effect
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.