Abstract
We studied the influence of various methods and systems of the primary soil tillage on the yields of seeds, vegetable oil and protein of soybean and spring rapeseed at the All-Russian Rapeseed Research Institute (Lipetsk, Lipetsk region) in 2015–2018. In the field crop rotation (soybeans, winter wheat, spring rapeseed and barley), four systems of the primary soil tillage have been carried out, these are conventionally referred to as: moldboard-surface tillage, moldboardsurface tillage with deep loosening, moldboardsurface tillage with shallow loosening and minimal treatment (subsurface). The soil at the experimental field was leached, heavy clay loam chernozem. The weather conditions during the vegetative period varied according to the years of the research, which affected the seed yield and quality of soybean and spring rapeseed. We revealed the largest and relatively equal yields of seeds, vegetable oil and protein per a hectare of soybean and spring rapeseed was provided by moldboard-surface tillage (plowing under soybean and rapeseed, surface tillage for winter wheat and barley) and moldboard-surface tillage with deep loosening (deep subsurface loosening under soybean, plowing under spring rapeseed and surface tillage under winter wheat and barley), and the lowest yield was obtained using minimal soil treatment (chisel plowing under spring rapeseed and surface tillage under soybean and cereal crops). The quality of seed yield of oil crops in the studied experimental variants was practically equal. At the same time, in general, during the experimental period, the yield and the total yields of vegetable oil and protein of spring rapeseed were significantly higher than those of soybean.
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Claims 10
Claim · model-written summary
Weather variation affected soybean seed yield and quality.
- Taxon
- soybean
Glycine maxe0 - Outcome
- seed yield and quality of soybeane0
- Setting
- the years of the researche0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The weather conditions during the vegetative period varied according to the years of the research, which affected the seed yield and quality of soybean and spring rapeseed.”
Claim · model-written summary
Weather variation affected spring rapeseed seed yield and quality.
- Taxon
- spring rapeseede0
- Outcome
- seed yield and quality of soybean and spring rapeseede0
- Setting
- the years of the researche0
Not reportedDirection
Verbatim
e0“The weather conditions during the vegetative period varied according to the years of the research, which affected the seed yield and quality of soybean and spring rapeseed.”
Claim · model-written summary
Moldboard-surface tillage provided the largest soybean seed, oil and protein yields.
- Taxon
- soybeanGlycine maxt0
- Treatment
- moldboard-surface tillagee0
- Outcome
- yields of seeds, vegetable oil and protein per a hectaree0
- Direction
- largeste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“The largest and relatively equal yields of seeds, vegetable oil and protein per a hectare of soybean and spring rapeseed was provided by moldboard-surface tillage”
Claim · model-written summary
Moldboard-surface tillage provided the largest spring rapeseed seed, oil and protein yields.
- Taxon
- spring rapeseedt0
- Treatment
- moldboard-surface tillagee0
- Outcome
- yields of seeds, vegetable oil and protein per a hectaree0
- Direction
- largeste0
Not reportedComparator
Verbatim
t0“spring rapeseed”
e0“The largest and relatively equal yields of seeds, vegetable oil and protein per a hectare of soybean and spring rapeseed was provided by moldboard-surface tillage”
Claim · model-written summary
Moldboard-surface tillage with deep loosening gave similarly high soybean seed, oil and protein yields.
- Taxon
- soybeanGlycine maxt0
- Treatment
- moldboard-surface tillage with deep looseninge0
- Outcome
- yields of seeds, vegetable oil and protein per a hectaree0
- Direction
- largeste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“The largest and relatively equal yields of seeds, vegetable oil and protein per a hectare of soybean and spring rapeseed was provided by moldboard-surface tillage (plowing under soybean and rapeseed, surface tillage for winter wheat and barley) and moldboard-surface tillage with deep loosening”
Claim · model-written summary
Moldboard-surface tillage with deep loosening gave similarly high rapeseed seed, oil and protein yields.
- Taxon
- spring rapeseedt0
- Treatment
- moldboard-surface tillage with deep looseninge0
- Outcome
- yields of seeds, vegetable oil and protein per a hectaree0
- Direction
- largeste0
Not reportedComparator
Verbatim
t0“spring rapeseed”
e0“The largest and relatively equal yields of seeds, vegetable oil and protein per a hectare of soybean and spring rapeseed was provided by moldboard-surface tillage (plowing under soybean and rapeseed, surface tillage for winter wheat and barley) and moldboard-surface tillage with deep loosening”
Claim · model-written summary
Minimal soil treatment produced the lowest soybean yield.
- Taxon
- soybeanGlycine maxt0
- Treatment
- minimal soil treatmente0
- Outcome
- yielde0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“the lowest yield was obtained using minimal soil treatment”
Claim · model-written summary
Minimal soil treatment produced the lowest spring rapeseed yield.
Not reportedComparator
Verbatim
t0“spring rapeseed”
e0“the lowest yield was obtained using minimal soil treatment”
Claim · model-written summary
Seed yield quality was practically equal among experimental variants.
Verbatim
t0“soybean and spring rapeseed”
e0“The quality of seed yield of oil crops in the studied experimental variants was practically equal.”
Claim · model-written summary
Spring rapeseed yield and total oil and protein yields were significantly higher than soybean.
Verbatim
e0“the yield and the total yields of vegetable oil and protein of spring rapeseed were significantly higher than those of soybean”
The same questions in other papers
tillage · quality: protein · Glycine max (soybean)Positive and negative results
8 papers in the same direction as this paper · 3 in the opposite direction
- negative
- no effect
- no effect
8 papers more in this group
See all 12 papers →tillage · quality: protein · Brassica napus (oilseed rape)Results agree
1 paper in the same direction as this paper
- positive
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.