Abstract
Change of soil temperature lagging behind air temperature in solar greenhouse, which leads that they cannot achieve the suitable physiological temperature required simultaneously and this phenomenon is unfavorable to the plant growth. In this experiment, hydroponics rape test was carried on with different treatments to study the effects of rhizosphere heating pattern((21±1)℃and 10:00-14:00)on rape growth, yield and quality. Results show that the rhizosphere heating can improve the rape growth significantly. The leaf chlorophyll content of heating treatment was increased by 23.65% than no heating treatment, the CAT activity was increased slightly and no significant difference was found in SOD activity. The plant height was increased by51.23%significantly;While there was no significant difference in leaf number. Also, the rhizosphere heating pattern makes the yield increased significantly. The rape seedlings' shoot and root fresh weight and dry weight were increased by85.34%;232.61%;81.74% and 141.93%.Meanwhile, the rhizosphere heating pattern can improve the quality of the hydroponic rape. Vc content of rape leaves was increased by 38.64%,while the nitrate content was decreased slightly. Results of this study provide certain theory reference of rhizosphere heating pattern to improve the hydroponic rape yield and quality of Chinese solar greenhouse in winter.
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Claims 12
Claim · model-written summary
Heating increased leaf chlorophyll content by 23.65% versus no heating.
- Taxon
- Rape
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napust0 - Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- leaf chlorophyll contente1
- Direction
- increasede1
- Value
- 23.65%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The leaf chlorophyll content of heating treatment was increased by 23.65% than no heating treatment”
e2“no heating treatment”
Claim · model-written summary
Heating slightly increased CAT activity.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- CAT activitye1
- Direction
- increased slightlye1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“the CAT activity was increased slightly”
e2“no heating treatment”
Claim · model-written summary
SOD activity showed no significant difference with heating.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- SOD activitye1
- Direction
- no significant differencee1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“no significant difference was found in SOD activity”
e2“no heating treatment”
Claim · model-written summary
Heating significantly raised plant height by 51.23%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- plant heighte1
- Direction
- increasede1
- Value
- 51.23%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The plant height was increased by51.23%significantly”
e2“no heating treatment”
Claim · model-written summary
Leaf number showed no significant difference with heating.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- leaf numbere1
- Direction
- no significant differencee1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“there was no significant difference in leaf number”
e2“no heating treatment”
Claim · model-written summary
Heating significantly increased yield.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- yielde1
- Direction
- increasede1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“the rhizosphere heating pattern makes the yield increased significantly”
e2“no heating treatment”
Claim · model-written summary
Heating increased seedling shoot fresh weight by 85.34%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- shoot and root fresh weight and dry weighte1
- Direction
- increasede1
- Value
- 85.34%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The rape seedlings' shoot and root fresh weight and dry weight were increased by85.34%;232.61%;81.74% and 141.93%.”
e2“no heating treatment”
Claim · model-written summary
Heating increased seedling root fresh weight by 232.61%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- shoot and root fresh weight and dry weighte1
- Direction
- increasede1
- Value
- 232.61%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The rape seedlings' shoot and root fresh weight and dry weight were increased by85.34%;232.61%;81.74% and 141.93%.”
e2“no heating treatment”
Claim · model-written summary
Heating increased seedling shoot dry weight by 81.74%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- shoot and root fresh weight and dry weighte1
- Direction
- increasede1
- Value
- 81.74%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The rape seedlings' shoot and root fresh weight and dry weight were increased by85.34%;232.61%;81.74% and 141.93%.”
e2“no heating treatment”
Claim · model-written summary
Heating increased seedling root dry weight by 141.93%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- shoot and root fresh weight and dry weighte1
- Direction
- increasede1
- Value
- 141.93%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“The rape seedlings' shoot and root fresh weight and dry weight were increased by85.34%;232.61%;81.74% and 141.93%.”
e2“no heating treatment”
Claim · model-written summary
Heating increased rape leaf Vc content by 38.64%.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- Vc content of rape leavese1
- Direction
- increasede1
- Value
- 38.64%e1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“Vc content of rape leaves was increased by 38.64%”
e2“no heating treatment”
Claim · model-written summary
Heating slightly decreased nitrate content.
- Taxon
- RapeBrassica napust0
- Treatment
- rhizosphere heating pattern((21±1)℃and 10:00-14:00)e0
- Outcome
- nitrate contente1
- Direction
- decreased slightlye1
- Comparator
- no heating treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Hydroponic Rape”
e0“rhizosphere heating pattern((21±1)℃and 10:00-14:00)”
e1“the nitrate content was decreased slightly”
e2“no heating treatment”
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