Abstract
Studies were conducted to detect the disappearing trend of Cyanazine in corn as well as soil and its effect on weed control in Huantai County,Shandong Province in 1997 and 1998. The results showed that the half life period of Cyanazine(2.7kg/hm2) was 2～4 days in soil and 1～2 day(s) in straw. The residue quantity of Cyanazine was less than 0.01mg/kg both in the corn straw as well as grain and in the soil. The analyses indicated that Cyanazine could effectively control the weed in the corn fields. Compared with uncontrolling weed fields, the rate of removal weeds of Cyanazine was 88.2%～95.0% in weed numbers and 97.2%～98.2% in weed fresh weight. The biomass of the corn straw was increased by 8.4%～9.2% and the yield was increased by 12.4%～13.5%.
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Claims 8
Claim · model-written summary
The half-life of cyanazine (2.7 kg/hm2) was 2～4 days in soil.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- Cyanazine(2.7kg/hm2)e0
- Outcome
- half life period of Cyanazinee0
- Value
- 2～4 dayse0
- Qualifier
- in soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
e0“the half life period of Cyanazine(2.7kg/hm2) was 2～4 days in soil and 1～2 day(s) in straw”
Claim · model-written summary
The half-life of cyanazine (2.7 kg/hm2) was 1～2 days in straw.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- strawe0
- Treatment
- Cyanazine(2.7kg/hm2)e0
- Outcome
- half life period of Cyanazinee0
- Value
- 1～2 day(s)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
e0“the half life period of Cyanazine(2.7kg/hm2) was 2～4 days in soil and 1～2 day(s) in straw”
Claim · model-written summary
Cyanazine residue was less than 0.01 mg/kg in corn straw, grain and soil.
- Taxon
- cornZea mays subsp. mayse0
- Organ / stage
- straw as well as graine0
- Outcome
- residue quantity of Cyanazinee0
- Value
- less than 0.01mg/kge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The residue quantity of Cyanazine was less than 0.01mg/kg both in the corn straw as well as grain and in the soil”
Claim · model-written summary
Cyanazine effectively controlled weeds in corn fields.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- Cyanazinee0
- Interactor
- weede0weed
- Outcome
- control the weede0
- Direction
- effectivelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cyanazine could effectively control the weed in the corn fields”
Claim · model-written summary
Cyanazine removed 88.2%～95.0% of weeds by number compared with uncontrolled weed fields.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Cyanazinee0
- Interactor
- weedse0weed
- Outcome
- rate of removal weedse0
- Direction
- removale0
- Value
- 88.2%～95.0%e0
- Qualifier
- in weed numberse0
- Comparator
- uncontrolling weed fieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
e0“Compared with uncontrolling weed fields, the rate of removal weeds of Cyanazine was 88.2%～95.0% in weed numbers and 97.2%～98.2% in weed fresh weight”
Claim · model-written summary
Cyanazine removed 97.2%～98.2% of weed fresh weight compared with uncontrolled weed fields.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Cyanazinee0
- Interactor
- weedse0weed
- Outcome
- rate of removal weedse0
- Direction
- removale0
- Value
- 97.2%～98.2%e0
- Qualifier
- in weed fresh weighte0
- Comparator
- uncontrolling weed fieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
e0“Compared with uncontrolling weed fields, the rate of removal weeds of Cyanazine was 88.2%～95.0% in weed numbers and 97.2%～98.2% in weed fresh weight”
Claim · model-written summary
Corn straw biomass increased by 8.4%～9.2% with cyanazine weed control compared with uncontrolled weed fields.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Cyanazinet1
- Outcome
- biomass of the corn strawe0
- Direction
- increasede0
- Value
- 8.4%～9.2%e0
- Comparator
- uncontrolling weed fieldse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
t1“Cyanazine”
e0“The biomass of the corn straw was increased by 8.4%～9.2%”
e1“Compared with uncontrolling weed fields”
Claim · model-written summary
Corn yield increased by 12.4%～13.5% with cyanazine weed control compared with uncontrolled weed fields.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Cyanazinet1
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 12.4%～13.5%e0
- Comparator
- uncontrolling weed fieldse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
t1“Cyanazine”
e0“the yield was increased by 12.4%～13.5%”
e1“Compared with uncontrolling weed fields”
The same questions in other papers
cyanazine · growth · Zea mays (maize)Positive and negative results
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- negative
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cyanazine · yield · Zea mays (maize)Positive and negative results
4 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- negative
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See all 8 papers →cyanazine · weed · Zea mays (maize)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
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See all 7 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.