Abstract
Productivity of plants is determined by multiple factors that directly affect one another, therefore yield variability may be high and difficult to predict. Most often, however, a lower crop yield is achieved in the notillage system than in the ploughing system. An exact field experiment was undertaken to determine the yield and chemical composition of pea seeds sown under conditions of: 1) conventional tillage – CT (shallow ploughing and harrowing after the harvest of previous crop, pre-winter ploughing in winter); 2) reduced tillage – RT (stubble cultivator after the harvest of previous crop); and 3) herbicide tillage – HT (only glyphosate after the harvest of previous crop). A cultivation unit was applied on all plots in the springtime. Pea seed yield was higher by 14.1% in the CT than in the RT system and by 50.5% than in the HT system. The CT system was increasing the plant number m–2, number of pods and seeds m–2, seed mass per plant, and 1000 seeds mass, compared to the other systems. Protein content of seeds was at a similar level in all analyzed tillage systems, but was affected by the study year. In turn, the mineral composition of seeds was determined by both tillage system and study year. The seeds harvested from CT plots contained more phosphorus and iron, those from RT plots – more calcium and zinc, whereas those from HT plots – more phytate-P, potassium, magnesium, and copper, compared to the seeds from the other plots.
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Claims 9
Claim · model-written summary
Conventional tillage raised pea seed yield 14.1% over reduced tillage.
- Taxon
- Pea
Lathyrus oleraceuse0 - Treatment
- CTe0
- Outcome
- seed yielde0
- Direction
- highere0
- Value
- 14.1%e0
- Comparator
- RTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pea seed yield was higher by 14.1% in the CT than in the RT system”
Claim · model-written summary
Conventional tillage raised pea seed yield 50.5% over herbicide tillage.
- Taxon
- PeaLathyrus oleraceuse0
- Treatment
- CTe0
- Outcome
- seed yielde0
- Direction
- highere0
- Value
- 50.5%e0
- Comparator
- HTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pea seed yield was higher by 14.1% in the CT than in the RT system and by 50.5% than in the HT system”
Claim · model-written summary
Conventional tillage increased plant density, pods and seeds per area, seed mass per plant, and thousand seed mass.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- CTe0
- Outcome
- plant number m–2, number of pods and seeds m–2, seed mass per plant, and 1000 seeds masse0
- Direction
- increasinge0
- Comparator
- other systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CT system was increasing the plant number m–2, number of pods and seeds m–2, seed mass per plant, and 1000 seeds mass, compared to the other systems”
t0“PEA YIELD”
Claim · model-written summary
Seed protein content was similar across tillage systems.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- tillage systemse0
- Outcome
- Protein content of seedse0
- Direction
- similare0
- Comparator
- all analyzed tillage systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Protein content of seeds was at a similar level in all analyzed tillage systems”
t0“PEA YIELD”
Claim · model-written summary
Seed protein content varied with study year.
- Taxon
- PEALathyrus oleraceust0
- Outcome
- Protein content of seedse0
- Qualifier
- study yeare0
- Setting
- study yeare0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Protein content of seeds was at a similar level in all analyzed tillage systems, but was affected by the study year”
t0“PEA YIELD”
Claim · model-written summary
Seed mineral composition varied with tillage system and year.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- tillage systeme0
- Outcome
- mineral composition of seedse0
- Setting
- study yeare0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the mineral composition of seeds was determined by both tillage system and study year”
t0“PEA YIELD”
Claim · model-written summary
Conventional tillage seeds had more phosphorus and iron than seeds from other plots.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- CTe0
- Outcome
- phosphorus and irone0
- Direction
- moree0
- Comparator
- other plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seeds harvested from CT plots contained more phosphorus and iron, those from RT plots – more calcium and zinc, whereas those from HT plots – more phytate-P, potassium, magnesium, and copper, compared to the seeds from the other plots”
t0“PEA YIELD”
Claim · model-written summary
Reduced tillage seeds had more calcium and zinc than seeds from other plots.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- RTe0
- Outcome
- calcium and zince0
- Direction
- moree0
- Comparator
- other plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those from RT plots – more calcium and zinc, whereas those from HT plots – more phytate-P, potassium, magnesium, and copper, compared to the seeds from the other plots”
t0“PEA YIELD”
Claim · model-written summary
Herbicide tillage seeds had more phytate-P, potassium, magnesium, and copper.
- Taxon
- PEALathyrus oleraceust0
- Treatment
- HTe0
- Outcome
- phytate-P, potassium, magnesium, and coppere0
- Direction
- moree0
- Comparator
- other plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those from HT plots – more phytate-P, potassium, magnesium, and copper, compared to the seeds from the other plots”
t0“PEA YIELD”
The same questions in other papers
tillage · quality: protein · Lathyrus oleraceus (pea)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- positive
- no effect
tillage · yield · Lathyrus oleraceus (pea)Positive and negative results
52 papers in the same direction as this paper · 15 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
65 papers more in this group
See all 69 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.