Abstract
ABSTRACT In four year field trials faba bean cultivation techniques were tested with the primary aim to reduce nitrate losses via leaching by increasing crop soil-nitrate uptake. This aim did not generally contradict the aims of gaining high faba bean grain yields, high amounts of symbiotically fixed nitrogen and an increased precrop effect. As a function of poor rooting systems and poor soil-nitrate uptake faba bean pure stands left high amounts of nitrate in the soil before winter, which is suspected to be leached during winter. A more homogenous rooting-distribution via narrow faba bean row distances increased soil-nitrate uptake and slightly reduced residual- nitrate content before winter. Increasing crop rooting-density by intercropping with cereals or undersown non-legumes considerably reduced soil residual-nitrate content. Undersown brassicas like oil-radish or white mustard were more efficient than ryegrass and intercropping with cereals. Undersown crops showed no negative effect on faba bean grain yield and N2-fixation. Intercropping with cereals considerably reduced faba grain yield and N2-fixation. Underseed variety in faba beans and intercropping considerably affected precrop effects to the successive crop oats as a function of different amounts and temporary availability of nitrogen.
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Claims 8
Claim · model-written summary
Narrow faba bean row distances increased soil-nitrate uptake.
- Taxon
- faba bean
Vicia fabae3 - Treatment
- narrow faba bean row distancese3
- Outcome
- soil-nitrate uptakee3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e3“narrow faba bean row distances increased soil-nitrate uptake”
Claim · model-written summary
Narrow faba bean row distances slightly reduced residual nitrate content before winter.
- Taxon
- faba beanVicia fabae3
- Treatment
- narrow faba bean row distancese3
- Outcome
- residual- nitrate contente4
- Direction
- slightly reducede4
- Qualifier
- before wintere4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e3“narrow faba bean row distances increased soil-nitrate uptake”
e4“slightly reduced residual- nitrate content before winter”
Claim · model-written summary
Intercropping with cereals or undersown non-legumes considerably reduced soil residual-nitrate content.
- Taxon
- faba beanVicia fabat0
- Treatment
- intercropping with cereals or undersown non-legumese5
- Outcome
- residual-nitrate contente5
- Direction
- reducede5
- Qualifier
- considerablye5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e5“by intercropping with cereals or undersown non-legumes considerably reduced soil residual-nitrate content”
Claim · model-written summary
Undersown brassicas were more efficient than ryegrass in reducing nitrate.
- Taxon
- faba beanVicia fabat0
- Treatment
- Undersown brassicase6
- Outcome
- more efficiente6
- Direction
- more efficiente6
- Comparator
- ryegrasse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e6“Undersown brassicas like oil-radish or white mustard were more efficient than ryegrass and intercropping with cereals”
Claim · model-written summary
Undersown crops had no negative effect on faba bean grain yield and N2 fixation.
- Taxon
- faba beanVicia fabae7
- Treatment
- Undersown cropse7
- Outcome
- grain yield and N2-fixatione7
- Direction
- no negative effecte7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e7“Undersown crops showed no negative effect on faba bean grain yield and N2-fixation”
Claim · model-written summary
Intercropping with cereals considerably reduced faba bean grain yield and N2 fixation.
- Taxon
- faba beanVicia fabat0
- Treatment
- Intercropping with cerealse7
- Outcome
- faba grain yield and N2-fixatione7
- Direction
- reducede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e7“Intercropping with cereals considerably reduced faba grain yield and N2-fixation”
Claim · model-written summary
Faba bean pure stands left high amounts of nitrate in the soil before winter.
- Taxon
- faba beanVicia fabae1
- Treatment
- pure standse1
- Outcome
- nitrate in the soil before wintere1
- Direction
- high amountse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e1“faba bean pure stands left high amounts of nitrate in the soil before winter”
Claim · model-written summary
Underseed variety in faba beans and intercropping considerably affected precrop effects on the successive oat crop.
- Taxon
- faba beansVicia fabae1
- Treatment
- Underseed variety in faba beans and intercroppinge1
- Outcome
- precrop effects to the successive crop oatse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Growing Faba Beans”
e1“Underseed variety in faba beans and intercropping considerably affected precrop effects to the successive crop oats”
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See all 11 papers →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.