Abstract
Abstract A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth and methane (CH 4 ) emission under elevated UV‐B radiation. The experiment was designed with two UV‐B radiation levels, i.e., reference UV‐B radiation (Ambient, A, 12.0 kJ·m −2 ·d −1 ), and elevated UV‐B radiation (Elevated by 20%, E, 14.4 kJ·m −2 ·d −1 ); with four silicate fertilizer levels, i.e., Si 0 (no silicate application, 0 kg SiO 2 ·ha −1 ), Si 1 (sodium silicate, 100 kg SiO 2 ·ha −1 ), Si 2 (sodium silicate, 200 kg SiO 2 ·ha −1 ) and Si 3 (slag silicate fertilizer, 200 kg SiO 2 ·ha −1 ). The results show that, silicate application could mitigate the depressive effect of elevated UV‐B radiation on rice growth and increase the tiller number, and dry weight of shoot and root biomass. Silicate application promoted rice growth, which increased with silicate application quantity (sodium silicate); slag silicate fertilizer was better than sodium silicate in promoting rice growth. Elevated UV‐B radiation could increase the emission flux and accumulative emission of CH 4 in rice soil, but silicate application significantly decreased the emission flux and accumulative emission of CH 4 and the methane emission decreased with the increase in silicate application quantity. At one silicate application quantity, slag silicate fertilizer was better than sodium silicate in respect of emission reduction effect. This indicates that application of slag silicate fertilizer in rice production can realize waste reuse and can effectively decrease the CH 4 emission in rice field under elevated UV‐B radiation. © 2016 Society of Chemical Industry and John Wiley & Sons, Ltd
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Claims 10
Claim · model-written summary
Silicate application increased rice tiller number under elevated UV-B.
- Taxon
- rice
Oryza sativae0 - Treatment
- silicate applicatione1
- Outcome
- tiller numbere1
- Direction
- increasee1
- Comparator
- no silicate applicatione2
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e1“silicate application could mitigate the depressive effect of elevated UV‐B radiation on rice growth and increase the tiller number, and dry weight of shoot and root biomass”
e2“Si 0 (no silicate application, 0 kg SiO 2 ·ha −1 )”
Claim · model-written summary
Silicate application increased shoot and root dry weight of rice under elevated UV-B.
- Taxon
- riceOryza sativae0
- Treatment
- silicate applicatione1
- Outcome
- dry weight of shoot and root biomasse1
- Direction
- increasee1
- Comparator
- no silicate applicatione2
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e1“silicate application could mitigate the depressive effect of elevated UV‐B radiation on rice growth and increase the tiller number, and dry weight of shoot and root biomass”
e2“Si 0 (no silicate application, 0 kg SiO 2 ·ha −1 )”
Claim · model-written summary
Silicate application mitigated the depressive effect of elevated UV-B on rice growth.
- Taxon
- riceOryza sativae0
- Treatment
- silicate applicatione1
- Outcome
- rice growthe1
- Direction
- mitigate the depressive effecte1
- Qualifier
- elevated UV‐B radiatione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e1“silicate application could mitigate the depressive effect of elevated UV‐B radiation on rice growth and increase the tiller number, and dry weight of shoot and root biomass”
Claim · model-written summary
Rice growth increased with silicate application quantity (sodium silicate).
- Taxon
- riceOryza sativae0
- Treatment
- silicate application quantity (sodium silicate)e3
- Outcome
- rice growthe3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e3“Silicate application promoted rice growth, which increased with silicate application quantity (sodium silicate)”
Claim · model-written summary
Slag silicate fertilizer promoted rice growth better than sodium silicate.
- Taxon
- riceOryza sativae0
- Treatment
- slag silicate fertilizere4
- Outcome
- rice growthe4
- Direction
- bettere4
- Comparator
- sodium silicatee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e4“slag silicate fertilizer was better than sodium silicate in promoting rice growth”
Claim · model-written summary
Elevated UV-B radiation increased CH4 emission flux and accumulated emission from rice soil.
- Taxon
- riceOryza sativae0
- Treatment
- Elevated UV‐B radiatione5
- Outcome
- emission flux and accumulative emission of CH 4e5
- Direction
- increasee5
- Comparator
- reference UV‐B radiatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e5“Elevated UV‐B radiation could increase the emission flux and accumulative emission of CH 4 in rice soil”
e6“reference UV‐B radiation (Ambient, A, 12.0 kJ·m −2 ·d −1 )”
Claim · model-written summary
Silicate application significantly decreased CH4 emission flux and accumulated emission from rice soil.
- Taxon
- riceOryza sativae0
- Treatment
- silicate applicatione6
- Outcome
- emission flux and accumulative emission of CH 4e6
- Direction
- decreasede6
- Comparator
- no silicate applicatione2
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e2“Si 0 (no silicate application, 0 kg SiO 2 ·ha −1 )”
e6“silicate application significantly decreased the emission flux and accumulative emission of CH 4”
Claim · model-written summary
CH4 emission decreased as silicate application quantity increased.
- Taxon
- riceOryza sativae0
- Treatment
- silicate application quantitye7
- Outcome
- methane emissione7
- Direction
- decreasede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e7“the methane emission decreased with the increase in silicate application quantity”
Claim · model-written summary
Slag silicate fertilizer reduced CH4 emission better than sodium silicate at one silicate quantity.
- Taxon
- riceOryza sativae0
- Treatment
- slag silicate fertilizere3
- Outcome
- emission reduction effecte3
- Direction
- bettere3
- Comparator
- sodium silicatee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e3“At one silicate application quantity, slag silicate fertilizer was better than sodium silicate in respect of emission reduction effect”
Claim · model-written summary
Application of slag silicate fertilizer in rice production can reduce CH4 emission under elevated UV-B and reuses waste.
- Taxon
- riceOryza sativae0
- Outcome
- application of slag silicate fertilizer in rice productione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A pot experiment was conducted to investigate the effects of silicate application quantity and silicate fertilizer type on rice growth”
e4“application of slag silicate fertilizer in rice production can realize waste reuse and can effectively decrease the CH 4 emission in rice field under elevated UV‐B radiation”
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