Abstract
The coarse-textured soils have mainly macrospores, therefore, water and nutrients holding capacity of these soils is considerably low. Although the effects of mycorrhizal fungi on physical properties and nutrients uptake has been studied in fine- textured soils but the effect of these fungi on physical properties and nutrients uptake in coarse-textured soils has not been studied. A completely randomized block experimental design was conducted with two species of arbuscular mycorrhizal fungi including Glomus intraradices (GI), Glomus etunicatum (GE) and a non-mycorrhizal (control) undergrowth of spring barley with four replications in a sterilized sandy loam soil under greenhouse conditions. The results showed that GI and GE fungi significantly (P < 0.01) increased the mean weight diameter of aggregates by 113.6 and 201.8%, mesopores by 20.8 and 27.8% and microspores by 5 and 14.1%, total porosity by 2.2 and 2.6%, available water capacity by 13.3 and 27.1%, while decreased macropores by 9.5 and 17.3% and saturated hydraulic conductivity (Ks) by 68.8 and 88.2% relative to the control, respectively. Furthermore, the percentages of increase were 45.9 and 164 for potassium and 53.5 and 135.1 for phosphorus in GI and GE relative to the control, respectively. According to the results of this study, mycorrhizal symbiosis improved physical quality and nutrients uptake of the alkaline coarse-textured soil.
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Claims 5
Claim · model-written summary
Glomus intraradices increased aggregate mean weight diameter by 113.6%.
- Taxon
- spring barley
.jpg?width=60)
Hordeum vulgaret0 - Treatment
- GIe0
- Interactor
- Glomus intraradicesRhizophagus intraradicese0symbiont
- Outcome
- mean weight diameter of aggregatese1
- Direction
- increasede1
- Value
- 113.6e1
- Comparator
- non-mycorrhizal (control)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“spring barley”
e0“Glomus intraradices (GI), Glomus etunicatum (GE) and a non-mycorrhizal (control) undergrowth of spring barley”
e1“GI and GE fungi significantly (P < 0.01) increased the mean weight diameter of aggregates by 113.6 and 201.8%”
Claim · model-written summary
Glomus etunicatum increased aggregate mean weight diameter by 201.8%.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- GEe0
- Interactor
- Glomus etunicatume0symbiont
- Outcome
- mean weight diameter of aggregatese1
- Direction
- increasede1
- Value
- 201.8%e1
- Comparator
- non-mycorrhizal (control)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring barley”
e0“Glomus intraradices (GI), Glomus etunicatum (GE) and a non-mycorrhizal (control) undergrowth of spring barley”
e1“GI and GE fungi significantly (P < 0.01) increased the mean weight diameter of aggregates by 113.6 and 201.8%”
Claim · model-written summary
The fungi increased mesopores, micropores, total porosity, and available water capacity.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- GI and GE fungie0
- Outcome
- mesoporese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring barley”
e0“GI and GE fungi significantly (P < 0.01) increased the mean weight diameter of aggregates by 113.6 and 201.8%, mesopores by 20.8 and 27.8% and microspores by 5 and 14.1%, total porosity by 2.2 and 2.6%, available water capacity by 13.3 and 27.1%”
Claim · model-written summary
The fungi decreased macropores and saturated hydraulic conductivity.
- Taxon
- spring barleyHordeum vulgaret0
- Outcome
- macroporese0
- Direction
- decreasede0
- Comparator
- the controle0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring barley”
e0“while decreased macropores by 9.5 and 17.3% and saturated hydraulic conductivity (Ks) by 68.8 and 88.2% relative to the control”
Claim · model-written summary
The fungi increased potassium and phosphorus uptake.
- Taxon
- spring barleyHordeum vulgaret0
- Treatment
- GI and GEe0
- Outcome
- potassiume0
- Direction
- increasee0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring barley”
e0“the percentages of increase were 45.9 and 164 for potassium and 53.5 and 135.1 for phosphorus in GI and GE relative to the control, respectively”
The same questions in other papers
Glomus · growth · Hordeum vulgare (barley)Positive and negative results
1 in the opposite direction
- negative
Rhizophagus intraradices · nutrient: content · Hordeum vulgare (barley)Positive and negative results
1 in the opposite direction
- no effect
Rhizophagus intraradices · growth · Hordeum vulgare (barley)Results agree
1 paper in the same direction as this paper
- positive
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.