Abstract
A field experiment was conducted to study the effect of TU(Thiourea) with different concentration and TU compounding with nitrification inhibitor Dicyandiamide (DCD) and urease inhibitor Phenylphosphoro diamidate (PPD) on urease activities, transformation of urea-N in soil, and corn yield respectively. Incubation test results showed that thiourea and inhibitors combination took on a conspicuous inhabitation on urease activities with a valid inhabitation period being two weeks. TU, TU1+DCD, TU1+PPD markedly inhibited the release of NH~+_4-N, and its further transformation to NO~-_3-N. As a result, concentration of available-N in soil was affected. Field experiment showed that inhibitors increased corn hundred grain weight and yield markedly. The corn yield could increased 9.14% HT5SS11.49%.
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Claims 7
Claim · model-written summary
Thiourea with urease and nitrification inhibitors inhibited soil urease activities, with a valid period of two weeks.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- thiourea and inhibitors combinatione1
- Outcome
- urease activitiese1
- Direction
- inhabitatione1
- Qualifier
- valid inhabitation period being two weekse1
- Setting
- Incubation teste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e1“Incubation test results showed that thiourea and inhibitors combination took on a conspicuous inhabitation on urease activities with a valid inhabitation period being two weeks”
Claim · model-written summary
TU inhibited the release of NH4+-N and its further transformation to NO3--N in soil.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- TUe2
- Outcome
- release of NH~+_4-N, and its further transformation to NO~-_3-Ne2
- Direction
- inhibitede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e2“TU, TU1+DCD, TU1+PPD markedly inhibited the release of NH~+_4-N, and its further transformation to NO~-_3-N”
Claim · model-written summary
TU1+DCD inhibited the release of NH4+-N and its further transformation to NO3--N in soil.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- TU1+DCDe2
- Outcome
- release of NH~+_4-N, and its further transformation to NO~-_3-Ne2
- Direction
- inhibitede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e2“TU, TU1+DCD, TU1+PPD markedly inhibited the release of NH~+_4-N, and its further transformation to NO~-_3-N”
Claim · model-written summary
TU1+PPD inhibited the release of NH4+-N and its further transformation to NO3--N in soil.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- TU1+PPDe2
- Outcome
- release of NH~+_4-N, and its further transformation to NO~-_3-Ne2
- Direction
- inhibitede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e2“TU, TU1+DCD, TU1+PPD markedly inhibited the release of NH~+_4-N, and its further transformation to NO~-_3-N”
Claim · model-written summary
Inhibitors markedly increased corn hundred grain weight and yield.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- inhibitorse3
- Outcome
- hundred grain weight and yielde3
- Direction
- increasede3
- Qualifier
- markedlye3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e3“Field experiment showed that inhibitors increased corn hundred grain weight and yield markedly”
Claim · model-written summary
Inhibitors increased corn yield by 9.14% HT5SS11.49% (garbled in the source text).
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- inhibitorse3
- Outcome
- corn yielde4
- Direction
- increasede4
- Value
- 9.14% HT5SS11.49%e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e3“Field experiment showed that inhibitors increased corn hundred grain weight and yield markedly”
e4“The corn yield could increased 9.14% HT5SS11.49%”
Claim · model-written summary
Thiourea with urease and nitrification inhibitors affected concentration of available N in soil.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- thiourea and inhibitors combinatione1
- Outcome
- concentration of available-N in soile5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn yield”
e1“Incubation test results showed that thiourea and inhibitors combination took on a conspicuous inhabitation on urease activities with a valid inhabitation period being two weeks”
e5“As a result, concentration of available-N in soil was affected”
The same questions in other papers
thiourea · physiology: enzyme activity · Zea mays (maize)Positive and negative results
1 in the opposite direction
- no effect
cyanoguanidine · molecular: metabolites · Zea mays (maize)Results agree
2 papers in the same direction as this paper
- 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.