Abstract
SUMMARY Winter wheat was grown in soil fumigated with D‐D, 85% dazomet dust or formalin, and top‐dressed with o or 125 kg nitrogen/ha. Six weeks after fumigation, there was much more ammonium nitrogen in fumigated than in unfumigated soil. Nitrate was also more after fumigation with dazomet, but less after D‐D and formalin. After 5 months, only D‐D plots had less nitrate and more total mineral nitrogen than unfumigated plots. Take‐all ( Ophiobolus graminis ) was less prevalent in the first crop after dazomet or formalin, but was more prevalent in the second crop than after other treatments. Eyespot ( Cercosporella herpotrichoides ) was decreased only by formalin and only in the first crop after applying it. Fumigation had little effect on the incidence of other diseases recorded or on grain yield, except that yields were light on D‐D plots in the first crop after fumigation, when ears were severely deformed.
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Claims 12
Claim · model-written summary
Six weeks after fumigation, soil ammonium nitrogen was much higher than in unfumigated soil.
- Taxon
- winter wheat
Triticum aestivumt0 - Treatment
- fumigatione0
- Outcome
- ammonium nitrogene0
- Direction
- much moree0
- Comparator
- unfumigated soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Six weeks after fumigation, there was much more ammonium nitrogen in fumigated than in unfumigated soil.”
Claim · model-written summary
Dazomet fumigation increased soil nitrate.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- fumigation with dazomete0
- Outcome
- Nitratee0
- Direction
- moree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Nitrate was also more after fumigation with dazomet, but less after D‐D and formalin.”
Claim · model-written summary
D-D fumigation decreased soil nitrate.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- D‐De0
- Outcome
- Nitratee0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Nitrate was also more after fumigation with dazomet, but less after D‐D and formalin.”
Claim · model-written summary
Formalin fumigation decreased soil nitrate.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- formaline0
- Outcome
- Nitratee0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Nitrate was also more after fumigation with dazomet, but less after D‐D and formalin.”
Claim · model-written summary
After five months, only D-D plots had lower nitrate than unfumigated plots.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- D‐De0
- Outcome
- nitratee0
- Direction
- lesse0
- Qualifier
- After 5 monthse0
- Comparator
- unfumigated plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“After 5 months, only D‐D plots had less nitrate and more total mineral nitrogen than unfumigated plots.”
Claim · model-written summary
After five months, only D-D plots had higher total mineral nitrogen than unfumigated plots.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- D‐De0
- Outcome
- total mineral nitrogene0
- Direction
- moree0
- Qualifier
- After 5 monthse0
- Comparator
- unfumigated plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“After 5 months, only D‐D plots had less nitrate and more total mineral nitrogen than unfumigated plots.”
Claim · model-written summary
Dazomet reduced take-all prevalence in the first crop.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- dazomete0
- Interactor
- Ophiobolus graminis
Gaeumannomyces graminise0pathogen - Outcome
- Take‐alle0
- Direction
- less prevalente0
- Qualifier
- first crope0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Take‐all ( Ophiobolus graminis ) was less prevalent in the first crop after dazomet or formalin, but was more prevalent in the second crop than after other treatments.”
Claim · model-written summary
Formalin reduced take-all prevalence in the first crop.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- formaline0
- Interactor
- Ophiobolus graminisGaeumannomyces graminise0pathogen
- Outcome
- Take‐alle0
- Direction
- less prevalente0
- Qualifier
- first crope0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Take‐all ( Ophiobolus graminis ) was less prevalent in the first crop after dazomet or formalin, but was more prevalent in the second crop than after other treatments.”
Claim · model-written summary
Take-all was more prevalent in the second crop after dazomet or formalin than after other treatments.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- dazomet or formaline0
- Interactor
- Ophiobolus graminisGaeumannomyces graminise0pathogen
- Outcome
- Take‐alle0
- Direction
- more prevalente0
- Qualifier
- second crope0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Take‐all ( Ophiobolus graminis ) was less prevalent in the first crop after dazomet or formalin, but was more prevalent in the second crop than after other treatments.”
Claim · model-written summary
Formalin reduced eyespot only in the first crop.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- formaline0
- Interactor
- Cercosporella herpotrichoides
Oculimacula yallundaee0pathogen - Outcome
- Eyespote0
- Direction
- decreasede0
- Qualifier
- first crope0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Eyespot ( Cercosporella herpotrichoides ) was decreased only by formalin and only in the first crop after applying it.”
Claim · model-written summary
Fumigation had little effect on other recorded diseases or grain yield.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- Fumigatione0
- Outcome
- incidence of other diseases recorded or on grain yielde0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Fumigation had little effect on the incidence of other diseases recorded or on grain yield”
Claim · model-written summary
D-D plots had light yields and severely deformed ears in the first crop.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- D‐De0
- Outcome
- yieldse0
- Direction
- lighte0
- Qualifier
- ears were severely deformede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“yields were light on D‐D plots in the first crop after fumigation, when ears were severely deformed.”
The same questions in other papers
dazomet · Gaeumannomyces graminis · Triticum aestivum (wheat)Results agree
1 paper in the same direction as this paper
- positive
solarization · disease · Triticum aestivum (wheat)Positive and negative results
2 in the opposite direction
- positive
- 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.