Abstract
We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation. A drained Ando-soil paddy field, which had been used as a rice paddy in the previous cropping season, was pan-broken and tilled for a strip tillage plot (ST) and a conventional tillage plot (CT). The difference in daily mean soil temperature at a 13-14cm depth between ST and CT (ST – CT) ranged from –0.4 to +0.4ºC with a mean of 0.25ºC from sowing to June 31. Soil water content was higher at ST than at CT, but the soil matric potential was not significantly different between ST and CT. After 95mm of rainfall, which saturated the top 30cm of soil, the soil at ST drained as quickly as the soil at CT. We hypothesize that pan-breaking increased soil hydraulic conductivity, which resulted in this quick drainage. No significant differences in the growth and yield of soybean were observed between ST and CT. Therefore, with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation.
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Claims 7
Claim · model-written summary
Strip tillage gave a mean soil temperature at 13-14 cm depth 0.25ºC higher than conventional tillage in a drained paddy field.
- Taxon
- soybean
Glycine maxe0 - Treatment
- strip tillagee0
- Outcome
- daily mean soil temperature at a 13-14cm depthe1
- Direction
- higherinferrede1
- Value
- 0.25ºCe1
- Comparator
- conventional tillagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e1“The difference in daily mean soil temperature at a 13-14cm depth between ST and CT (ST – CT) ranged from –0.4 to +0.4ºC with a mean of 0.25ºC from sowing to June 31”
e6“with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation”
Claim · model-written summary
Strip tillage increased soil water content relative to conventional tillage.
- Taxon
- soybeanGlycine maxe0
- Treatment
- strip tillagee0
- Outcome
- Soil water contente2
- Direction
- highere2
- Comparator
- conventional tillagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e2“Soil water content was higher at ST than at CT, but the soil matric potential was not significantly different between ST and CT”
e6“with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation”
Claim · model-written summary
Strip tillage did not significantly change soil matric potential relative to conventional tillage.
- Taxon
- soybeanGlycine maxe0
- Treatment
- strip tillagee0
- Outcome
- soil matric potentiale2
- Direction
- no_changeinferrede2
- Comparator
- conventional tillagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e2“Soil water content was higher at ST than at CT, but the soil matric potential was not significantly different between ST and CT”
e6“with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation”
Claim · model-written summary
After 95 mm of rainfall, the soil under strip tillage drained as quickly as under conventional tillage.
- Taxon
- soybeanGlycine maxe0
- Treatment
- strip tillagee0
- Outcome
- the soil at ST drainede3
- Direction
- no_changeinferrede3
- Qualifier
- 95mm of rainfalle3
- Comparator
- the soil at CTe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e3“After 95mm of rainfall, which saturated the top 30cm of soil, the soil at ST drained as quickly as the soil at CT”
Claim · model-written summary
Pan-breaking probably increased soil hydraulic conductivity, which produced the quick drainage under strip tillage.
- Taxon
- soybeanGlycine maxe0
- Treatment
- pan-breakinge4
- Outcome
- quick drainagee4
- Qualifier
- increased soil hydraulic conductivitye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e4“We hypothesize that pan-breaking increased soil hydraulic conductivity, which resulted in this quick drainage”
Claim · model-written summary
Strip tillage did not significantly change growth and yield of soybean relative to conventional tillage.
- Taxon
- soybeanGlycine maxe5
- Treatment
- strip tillagee0
- Outcome
- growth and yield of soybeane5
- Direction
- no_changeinferrede5
- Comparator
- conventional tillagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e5“No significant differences in the growth and yield of soybean were observed between ST and CT”
e6“with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation”
Claim · model-written summary
The authors conclude that with pan-breaking, strip tillage can give almost the same soil thermal and moisture conditions as conventional tillage for dryland soybean.
- Taxon
- soybeanGlycine maxe0
- Treatment
- strip tillagee6
- Outcome
- provide almost the same soil thermal and moisture conditions as conventional tillagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We investigated the effects of strip tillage, which tills the soil only at planting rows, on soil thermal and moisture conditions under a drained paddy field to evaluate its adaptability for dryland soybean cultivation”
e6“with drainage methods such as pan-breaking, strip tillage can provide almost the same soil thermal and moisture conditions as conventional tillage at a drained Ando-soil paddy field for dryland crop cultivation”
The same questions in other papers
tillage · yield · Glycine max (soybean)Positive and negative results
125 papers in the same direction as this paper · 264 reporting no difference from an alternative
- positive
- positive
- positive
386 papers more in this group
See all 390 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.