Abstract
An experiment was carried out for studying the influence of residual plastic film in soil on growth of cotton root and yield as well as on the soil physical property.Results showed that(1) soil water content and porosity reduced along with adding residual plastic film,but soil bulk density and particle density increased.(2) There was stimulation of residual plastic film on growing of the cotton root in 0-40 cm soil,root area(RA),root length density(RLD) and root dry weight(RDW) of cotton increased greatly when residual plastic film ration was less than 900 kg/hm2,but the root biomass was reduced because the root growth was inhibited by residual plastic film in 40-100 cm soil.(3) Dry matter weight of cotton plant and canopy/root ration reduced with adding residual plastic film which destroyed the harmonization of cotton root and shoot so that reduced the production of cotton.So stimulating root growth by a certain amount of residual plastic film could bring about adaptive response of cotton plant.but there was a negative influence of residual plastic film on biological yield and economic yield,and the greater the amount of residual plastic film was accumulated in field,the greater cotton plant was brought about its effect on reduction of output.
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Claims 6
Claim · model-written summary
Increasing residual plastic film reduced soil water content and porosity.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- adding residual plastic filme0
- Outcome
- soil water content and porositye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil water content and porosity reduced along with adding residual plastic film”
t0“Cotton”
Claim · model-written summary
Increasing residual film increased soil bulk and particle density.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- residual plastic filmt1
- Outcome
- soil bulk density and particle densitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil bulk density and particle density increased”
t0“Cotton”
t1“soil water content and porosity reduced along with adding residual plastic film”
Claim · model-written summary
Under 900 kg/hm2 film, cotton root area, length density and dry weight increased in 0-40 cm soil.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- residual plastic film ration was less than 900 kg/hm2e0
- Outcome
- root area(RA),root length density(RLD) and root dry weight(RDW)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root area(RA),root length density(RLD) and root dry weight(RDW) of cotton increased greatly when residual plastic film ration was less than 900 kg/hm2”
Claim · model-written summary
Residual film inhibited root growth at 40-100 cm and reduced root biomass.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- residual plastic filme0
- Outcome
- root biomasse0
- Direction
- reducede0
- Qualifier
- 40-100 cm soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root biomass was reduced because the root growth was inhibited by residual plastic film in 40-100 cm soil”
t0“Cotton”
Claim · model-written summary
Cotton dry matter weight and canopy/root ratio declined with more film.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- adding residual plastic filme0
- Outcome
- Dry matter weight of cotton plant and canopy/root ratione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry matter weight of cotton plant and canopy/root ration reduced with adding residual plastic film”
Claim · model-written summary
Residual film reduced cotton biological and economic yields, increasingly with accumulated film.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- residual plastic filme0
- Outcome
- biological yield and economic yielde0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was a negative influence of residual plastic film on biological yield and economic yield,and the greater the amount of residual plastic film was accumulated in field,the greater cotton plant was brought about its effect on reduction of output”
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