Abstract
A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF. When the applied amount of CRF and SCF was decreased by 25%, the yield increment was 9.69% and 10.04%, respectively; and when the applied amount of CRF and SCF was decreased by 50%, the yield had less difference with that under CCF application. The field ammonia volatilization rate in treatments CRF and SCF increased slowly, with a peak appeared 7 days later than that in treatment CCF, and the total amount of ammonia volatilization in treatments CRF and SCF was ranged from 0.78 kg N x hm(-2) to 4.43 kg N x hm(-2), with a decrement of 51.34%-91.34% compared to that in treatment CCF. The fertilizer nitrogen use efficiency and agronomic nitrogen use efficiency of CRF and SCF were also significantly higher than those of CCF.
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Claims 10
Claim · model-written summary
Colophony-coated fertilizer (CRF) increased summer maize grain yield by 13.15% compared with common compound fertilizer (CCF).
- Treatment
- colophony-coated fertilizer (CRF)e1
- Outcome
- summer maize grain yielde1
- Direction
- increasede1
- Value
- 13.15%e1
- Comparator
- common compound fertilizer CCFe1
- Setting
- field experimente1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
Claim · model-written summary
Sulfur-coated fertilizer (SCF) increased summer maize grain yield by 14.15% compared with common compound fertilizer (CCF).
- Treatment
- sulfur-coated fertilizer (SCF)e1
- Outcome
- summer maize grain yielde1
- Direction
- increasede1
- Value
- 14.15%e1
- Comparator
- common compound fertilizer CCFe1
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
Claim · model-written summary
At 25% lower CRF application, summer maize yield increased by 9.69%.
- Treatment
- applied amount of CRF and SCF was decreased by 25%e2
- Outcome
- yielde2
- Direction
- increaseinferrede2
- Value
- 9.69%e2
- Qualifier
- CRFe2
- Setting
- field experimente1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e2“When the applied amount of CRF and SCF was decreased by 25%, the yield increment was 9.69% and 10.04%, respectively”
Claim · model-written summary
At 25% lower SCF application, summer maize yield increased by 10.04%.
- Treatment
- applied amount of CRF and SCF was decreased by 25%e2
- Outcome
- yielde2
- Direction
- increaseinferrede2
- Value
- 10.04%e2
- Qualifier
- SCFe2
- Setting
- field experimente1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e2“When the applied amount of CRF and SCF was decreased by 25%, the yield increment was 9.69% and 10.04%, respectively”
Claim · model-written summary
At 50% lower CRF and SCF application, summer maize yield differed less from that under CCF application.
- Treatment
- applied amount of CRF and SCF was decreased by 50%e3
- Outcome
- yielde3
- Direction
- less differencee3
- Comparator
- CCF applicatione3
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e3“when the applied amount of CRF and SCF was decreased by 50%, the yield had less difference with that under CCF application”
Claim · model-written summary
Ammonia volatilization rate under CRF and SCF increased slowly compared with CCF.
- Treatment
- CRF and SCFe4
- Outcome
- field ammonia volatilization ratee4
- Direction
- increased slowlye4
- Comparator
- CCFe4
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e4“The field ammonia volatilization rate in treatments CRF and SCF increased slowly, with a peak appeared 7 days later than that in treatment CCF”
Claim · model-written summary
The ammonia volatilization peak under CRF and SCF came 7 days later than under CCF.
- Treatment
- CRF and SCFe4
- Outcome
- peake4
- Direction
- latere4
- Value
- 7 dayse4
- Comparator
- CCFe4
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e4“The field ammonia volatilization rate in treatments CRF and SCF increased slowly, with a peak appeared 7 days later than that in treatment CCF”
Claim · model-written summary
Total ammonia volatilization under CRF and SCF ranged from 0.78 to 4.43 kg N x hm(-2).
- Treatment
- CRF and SCFe5
- Outcome
- total amount of ammonia volatilizatione5
- Value
- 0.78 kg N x hm(-2) to 4.43 kg N x hm(-2)e5
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e5“the total amount of ammonia volatilization in treatments CRF and SCF was ranged from 0.78 kg N x hm(-2) to 4.43 kg N x hm(-2), with a decrement of 51.34%-91.34% compared to that in treatment CCF”
Claim · model-written summary
Total ammonia volatilization under CRF and SCF was 51.34%-91.34% lower than under CCF.
- Treatment
- CRF and SCFe5
- Outcome
- total amount of ammonia volatilizatione5
- Direction
- decremente5
- Value
- 51.34%-91.34%e5
- Comparator
- CCFe5
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e5“the total amount of ammonia volatilization in treatments CRF and SCF was ranged from 0.78 kg N x hm(-2) to 4.43 kg N x hm(-2), with a decrement of 51.34%-91.34% compared to that in treatment CCF”
Claim · model-written summary
Fertilizer and agronomic nitrogen use efficiency under CRF and SCF were significantly higher than under CCF.
- Treatment
- CRF and SCFe6
- Outcome
- fertilizer nitrogen use efficiency and agronomic nitrogen use efficiencye6
- Direction
- highere6
- Comparator
- CCFe6
- Setting
- field experimente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
e6“The fertilizer nitrogen use efficiency and agronomic nitrogen use efficiency of CRF and SCF were also significantly higher than those of CCF”
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