Abstract
A field experiment was performed to evaluate the yield of winter barley, weed infestation, and soil properties in various systems of tillage and crop rotation The following experimental factors were examined: tillage systems (TS): 1) CTconventional tillage, 2) RTreduced tillage, 3) NTno-tillage; and crop rotation (CR): 1) winter wheatwinter barley, 2) peawinter barley. Shallow ploughing and pre-sowing ploughing were performed in CT, cultivation in RT and glyphosate only was used in NT. The study found the highest barley grain yield in CT after pea, whereas the lowest onein NT after wheat. A higher number and mass of weeds per m 2 was determined in RT than in CT and NT systems. Also the number and mass of weeds were found to be more affected by TS than by CR. The soil sampled from NT plots contained more organic C than that collected from RT and CT plots, and more total N than soil samples collected from CT plots. Higher contents of organic C and total N were also found in the soil from plots wherein barley was sown after pea compared to the soil from plot wherein barley was grown after wheat.
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Claims 9
Claim · model-written summary
Barley grain yield was highest under conventional tillage after pea.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree0 - Treatment
- CT after peae0
- Outcome
- barley grain yielde0
- Direction
- higheste0
- Comparator
- NT after wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The study found the highest barley grain yield in CT after pea, whereas the lowest onein NT after wheat.”
e1“CTconventional tillage”
e2“NTno-tillage”
Claim · model-written summary
Barley grain yield was lowest under no-tillage after wheat.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- NT after wheate0
- Outcome
- barley grain yielde0
- Direction
- loweste0
- Comparator
- CT after peae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The study found the highest barley grain yield in CT after pea, whereas the lowest onein NT after wheat.”
Claim · model-written summary
Reduced tillage had a higher weed count than conventional and no-tillage systems.
- Taxon
- winter barleyHordeum vulgaree1
- Treatment
- RTe0
- Interactor
- weedse0weed
- Outcome
- number and mass of weeds per m 2e0
- Direction
- highere0
- Comparator
- CT and NT systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher number and mass of weeds per m 2 was determined in RT than in CT and NT systems.”
e1“yield of winter barley”
Claim · model-written summary
Reduced tillage had a higher weed mass than conventional and no-tillage systems.
- Taxon
- winter barleyHordeum vulgaree1
- Treatment
- RTe0
- Interactor
- weedse0weed
- Outcome
- mass of weeds per m 2e0
- Direction
- highere0
- Comparator
- CT and NT systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher number and mass of weeds per m 2 was determined in RT than in CT and NT systems.”
e1“yield of winter barley”
Claim · model-written summary
Tillage system affected weed number and mass more than crop rotation did.
- Taxon
- winter barleyHordeum vulgaree1
- Treatment
- TSe0
- Interactor
- weedse0weed
- Outcome
- number and mass of weedse0
- Comparator
- CRe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number and mass of weeds were found to be more affected by TS than by CR.”
e1“yield of winter barley”
Claim · model-written summary
No-tillage plots had more soil organic C than reduced- and conventional-tillage plots.
- Taxon
- winter barleyHordeum vulgaree1
- Treatment
- NT plotse0
- Outcome
- soil sampled from NT plots contained more organic Ce0
- Direction
- moree0
- Comparator
- RT and CT plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil sampled from NT plots contained more organic C than that collected from RT and CT plots”
e1“yield of winter barley”
Claim · model-written summary
No-tillage plots had more soil total N than conventional-tillage plots.
- Taxon
- winter barleyHordeum vulgaree2
- Treatment
- NT plotse1
- Outcome
- total Ne0
- Direction
- moree0
- Comparator
- CT plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“more total N than soil samples collected from CT plots.”
e1“The soil sampled from NT plots”
e2“yield of winter barley”
Claim · model-written summary
Soil organic C was higher after pea than after wheat in barley plots.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- barley was sown after peae0
- Outcome
- organic Ce0
- Direction
- Highere0
- Comparator
- barley was grown after wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher contents of organic C and total N were also found in the soil from plots wherein barley was sown after pea compared to the soil from plot wherein barley was grown after wheat.”
Claim · model-written summary
Soil total N was higher after pea than after wheat in barley plots.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- barley was sown after peae0
- Outcome
- total Ne0
- Direction
- Highere0
- Comparator
- barley was grown after wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher contents of organic C and total N were also found in the soil from plots wherein barley was sown after pea compared to the soil from plot wherein barley was grown after wheat.”
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- positive
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See all 15 papers →tillage · yield · Hordeum vulgare (barley)Positive and negative results
104 papers in the same direction as this paper · 43 in the opposite direction · 13 reporting no difference from an alternative
- positive
- no effect
- no effect
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See all 161 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.