Abstract
Glyphosate is commonly used for weed control in agricultural fields, but improper use has led to significant residues of glyphosate in the soil. Excessive glyphosate can affect plant growth and the soil microenvironment. In this study, we planted alfalfa in soil sites previously treated with glyphosate and inoculated with rhizobia, observing crop growth and the structure of nitrogen-fixing microbial communities in the rhizosphere soil of the alfalfa. The results showed that: (1) Inoculating rhizobia promotes the growth of alfalfa; (2) compared to soil without a history of glyphosate use, soil with high concentrations of residual glyphosate resulted in a reduction of 10.1 cm (37%) in plant height, 5.5 g (46%) in fresh weight, and 1.9 g (47%) in root fresh weight in alfalfa plants, and high concentrations of residual glyphosate decreased the diversity of nitrogen-fixing microorganisms in the soil.
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Claims 5
Claim · model-written summary
Rhizobial inoculation promoted alfalfa growth.
- Taxon
- alfalfa
Medicago sativae0 - Treatment
- Inoculating rhizobiae0
- Interactor
- rhizobiae0symbiont
- Outcome
- growth of alfalfae0
- Direction
- promotese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculating rhizobia promotes the growth of alfalfa”
Claim · model-written summary
High glyphosate residue reduced alfalfa height by 10.1 cm (37%).
- Taxon
- alfalfaMedicago sativat0
- Treatment
- soil with high concentrations of residual glyphosatee0
- Outcome
- plant heighte0
- Direction
- reductione0
- Value
- 10.1 cm (37%)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil with high concentrations of residual glyphosate resulted in a reduction of 10.1 cm (37%) in plant height”
t0“Alfalfa”
Claim · model-written summary
High glyphosate residue reduced fresh weight by 5.5 g (46%).
- Taxon
- alfalfaMedicago sativat0
- Treatment
- high concentrations of residual glyphosatee1
- Outcome
- fresh weighte0
- Direction
- reductione2
- Value
- 5.5 g (46%)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“5.5 g (46%) in fresh weight”
e1“soil with high concentrations of residual glyphosate resulted”
t0“Alfalfa”
e2“a reduction of 10.1 cm (37%) in plant height, 5.5 g (46%) in fresh weight, and 1.9 g (47%) in root fresh weight”
Claim · model-written summary
High glyphosate residue reduced root fresh weight by 1.9 g (47%).
- Taxon
- alfalfaMedicago sativae0
- Treatment
- high concentrations of residual glyphosatee1
- Outcome
- root fresh weighte0
- Direction
- reductione2
- Value
- 1.9 g (47%)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1.9 g (47%) in root fresh weight in alfalfa plants”
e1“soil with high concentrations of residual glyphosate resulted”
t0“Alfalfa”
e2“a reduction of 10.1 cm (37%) in plant height, 5.5 g (46%) in fresh weight, and 1.9 g (47%) in root fresh weight”
Claim · model-written summary
High glyphosate residue reduced nitrogen-fixing microbial diversity.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- high concentrations of residual glyphosatee0
- Outcome
- diversity of nitrogen-fixing microorganisms in the soile0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high concentrations of residual glyphosate decreased the diversity of nitrogen-fixing microorganisms in the soil”
t0“Alfalfa”
The same questions in other papers
glyphosate · growth · Medicago sativa (alfalfa)Results differ
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See all 137 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.