Abstract
To reuse rice straw and decrease the environmental pollution and resource waste that are caused by burning rice straw in China, this agricultural resource is increasingly being used to make pots with added formaldehyde and other chemicals for cultivating vegetables. A study was conducted to investigate the effects of rice straw-based pot powder on the growth and antioxidase activity of Chinese green cabbage seedlings and the soil microbial community using a molecular analysis. The results showed that there was no negative effect from the powder on cabbage growth, given that the cabbage plants that were treated with powder (1.2–3.2 g kg−1 rice straw pot powder) exhibited 1.8 to 2.5 times higher fresh biomass than the control (0 g kg−1 powder). Minor differences were found among key reactive oxygen system enzyme activities, but the superoxide dismutase activity decreased by 33–55% (1.2–3.2 g kg−1 powder). The phenylalanine ammonia-lyase activity of green Chinese cabbage that was treated with powder (1.2–3.2 g kg−1 rice straw pot powder) was 1.5 times higher than the no-powder control. The soil microbial diversity was changed, and the community composition was altered depending on the rates of powder application, according to a polymerase chain reaction-denaturing gradient gel electrophoresis analysis.
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Claims 5
Claim · model-written summary
Cabbage treated with 1.2–3.2 g kg−1 rice straw pot powder had 1.8 to 2.5 times higher fresh biomass than the control.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Treatment
- 1.2–3.2 g kg−1 rice straw pot powdere0
- Outcome
- fresh biomasse0
- Direction
- highere0
- Value
- 1.8 to 2.5 timese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cabbage plants that were treated with powder (1.2–3.2 g kg−1 rice straw pot powder) exhibited 1.8 to 2.5 times higher fresh biomass than the control (0 g kg−1 powder)”
Claim · model-written summary
Superoxide dismutase activity in cabbage decreased by 33–55% with 1.2–3.2 g kg−1 powder.
- Taxon
- Chinese green cabbaget0
- Treatment
- 1.2–3.2 g kg−1 powdere0
- Outcome
- superoxide dismutase activitye0
- Direction
- decreasede0
- Value
- 33–55%e0
Not reportedComparator
Verbatim
t0“Chinese green cabbage seedlings”
e0“the superoxide dismutase activity decreased by 33–55% (1.2–3.2 g kg−1 powder)”
Claim · model-written summary
Phenylalanine ammonia-lyase activity of green Chinese cabbage treated with the powder was 1.5 times higher than the no-powder control.
- Taxon
- green Chinese cabbage
Brassica rapa subsp. pekinensise0 - Treatment
- powdere0
- Outcome
- phenylalanine ammonia-lyase activitye0
- Direction
- highere0
- Value
- 1.5 timese0
- Comparator
- no-powder controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phenylalanine ammonia-lyase activity of green Chinese cabbage that was treated with powder (1.2–3.2 g kg−1 rice straw pot powder) was 1.5 times higher than the no-powder control”
Claim · model-written summary
Only minor differences were found among key reactive oxygen system enzyme activities.
Verbatim
t0“Chinese green cabbage seedlings”
e0“Minor differences were found among key reactive oxygen system enzyme activities”
Claim · model-written summary
Soil microbial diversity changed and community composition was altered depending on the powder application rate.
- Taxon
- soil microbial communityt0
- Treatment
- powder applicatione0
- Outcome
- soil microbial diversitye0
- Direction
- changede0
Not reportedComparator
Verbatim
t0“altered the soil microbial community”
e0“The soil microbial diversity was changed, and the community composition was altered depending on the rates of powder application”
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