Abstract
To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings,compared with bare land,three treatments,i.e.plastic film mulching,straw mulching and the mulch and straw composite mulching,were arranged in the saline-alkali soil of Hebei coastal regions under notillage.Leaf area index(LAI),chlorophyll relative content(SPAD),photosynthetic characteristics and dry matter accumulation and distribution of cotton leaves were measured in seedling stage,and salt content and moisture content of 0-40cm depth soil and the temperature of 0-20cm depth soil at the stage were also measured hierarchically.Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm,LAIand SPAD were found increased,gas exchange parameters and chlorophyll fluorescence parameters were improved,the dry weight of root,stem,leaf and the whole plant were significantly increased under the three surface mulching patterns.Among them,the improvement extent of those parameters in the mulch and straw composite mulching pattern were the highest among the three surface mulching patterns.The salt content of different soil layers was decreased by from 47.7% to 53.1% and the moisture content was increased by from 29.6% to 49.6%,the LAI and SPAD of leaf were increased by 105.7% and 23.6%respectively,the gas exchange parameters of leaf were increased by from 35.9% to 233.1%,the chlorophyll fluorescence parameters of leaf,i.e.Fv/Fm,Fv/Fo,ΦPSII,ETR,qPwere increased by from 22.6% to 55.9%,NPQwas reduced by 14.8% under the mulch and straw composite mulching pattern.The dry weights of root,stem,leaf and the whole plant were significantly increased by from 65.7% to 130.2% under this pattern.The improvement of soil water and salt transport was more effective under the mulch and straw composite mulching pattern,and this mulching pattern was more beneficial to the photosynthetic characteristics and the growth of cotton seedlings.
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Claims 11
Claim · model-written summary
Surface mulching decreased salt content in the 0-40 cm soil layer compared with bare land.
- Taxon
- cotton seedlings
Gossypium hirsutume0 - Treatment
- surface mulching patterne0
- Outcome
- salt contente1
- Direction
- decreasede1
- Value
- 47.7% to 53.1%e3
- Qualifier
- in the soil layer from 0 to 40cme1
- Comparator
- bare land(LD)e1
- Setting
- Hebei coastal regionse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e2“were arranged in the saline-alkali soil of Hebei coastal regions under notillage”
e3“The salt content of different soil layers was decreased by from 47.7% to 53.1%”
Claim · model-written summary
Surface mulching increased soil moisture content in the 0-40 cm soil layer compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- surface mulching patterne0
- Outcome
- moisture contente1
- Direction
- increasede1
- Value
- 29.6% to 49.6%e3
- Qualifier
- in the soil layer from 0 to 40cme1
- Comparator
- bare land(LD)e1
- Setting
- Hebei coastal regionse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e2“were arranged in the saline-alkali soil of Hebei coastal regions under notillage”
e3“the moisture content was increased by from 29.6% to 49.6%”
Claim · model-written summary
Surface mulching increased LAI of cotton seedlings by 105.7% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Organ / stage
- leafe3
- Treatment
- surface mulching patterne0
- Outcome
- LAIe3
- Direction
- increasede3
- Value
- 105.7%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the LAI and SPAD of leaf were increased by 105.7% and 23.6%respectively”
Claim · model-written summary
Surface mulching increased SPAD of cotton seedling leaves by 23.6% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Organ / stage
- leafe3
- Treatment
- surface mulching patterne0
- Outcome
- SPADe3
- Direction
- increasede3
- Value
- 23.6%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the LAI and SPAD of leaf were increased by 105.7% and 23.6%respectively”
Claim · model-written summary
Surface mulching increased leaf gas exchange parameters by 35.9% to 233.1% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- surface mulching patterne0
- Outcome
- gas exchange parameters of leafe3
- Direction
- increasede3
- Value
- 35.9% to 233.1%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the gas exchange parameters of leaf were increased by from 35.9% to 233.1%”
Claim · model-written summary
Surface mulching increased leaf Fv/Fm, Fv/Fo and ΦPSII by 22.6% to 55.9% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Organ / stage
- leafe3
- Treatment
- surface mulching patterne0
- Outcome
- Fv/Fm,Fv/Fo,ΦPSIIe3
- Direction
- increasede3
- Value
- 22.6% to 55.9%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the chlorophyll fluorescence parameters of leaf,i.e.Fv/Fm,Fv/Fo,ΦPSII,ETR,qPwere increased by from 22.6% to 55.9%”
Claim · model-written summary
Surface mulching increased leaf ETR and qP by 22.6% to 55.9% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Organ / stage
- leafe3
- Treatment
- surface mulching patterne0
- Outcome
- ETR,qPe3
- Direction
- increasede3
- Value
- 22.6% to 55.9%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the chlorophyll fluorescence parameters of leaf,i.e.Fv/Fm,Fv/Fo,ΦPSII,ETR,qPwere increased by from 22.6% to 55.9%”
Claim · model-written summary
Mulch plus straw composite mulching reduced NPQ by 14.8% compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- mulch and straw composite mulching patterne3
- Outcome
- NPQe3
- Direction
- reducede3
- Value
- 14.8%e3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“NPQwas reduced by 14.8% under the mulch and straw composite mulching pattern”
Claim · model-written summary
Surface mulching significantly increased dry weight of root, stem, leaf and whole plant compared with bare land.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- surface mulching patternse3
- Outcome
- dry weight of root,stem,leaf and the whole plante3
- Direction
- increasede3
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“the dry weight of root,stem,leaf and the whole plant were significantly increased under the three surface mulching patterns”
Claim · model-written summary
Mulch plus straw composite mulching increased dry weight of root, stem, leaf and whole plant by 65.7% to 130.2%.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- mulch and straw composite mulching patterne3
- Outcome
- dry weights of root,stem,leaf and the whole plante4
- Direction
- increasede4
- Value
- 65.7% to 130.2%e4
- Comparator
- bare land(LD)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e1“Compared with bare land(LD),the results demonstrated that the salt content was decreased and the moisture content was increased in the soil layer from 0 to 40cm”
e3“NPQwas reduced by 14.8% under the mulch and straw composite mulching pattern”
e4“The dry weights of root,stem,leaf and the whole plant were significantly increased by from 65.7% to 130.2% under this pattern”
Claim · model-written summary
Mulch plus straw composite mulching gave the largest improvement among the three surface mulching patterns.
- Taxon
- cotton seedlingsGossypium hirsutume0
- Treatment
- mulch and straw composite mulching patterne3
- Outcome
- the improvement extent of those parameterse3
- Direction
- the higheste3
- Comparator
- three surface mulching patternse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To explore the effects of the surface mulching pattern on soil water and salt transport and the photosynthetic characteristics and growth of cotton seedlings”
e3“the improvement extent of those parameters in the mulch and straw composite mulching pattern were the highest among the three surface mulching patterns”
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See all 5 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.