Abstract
An experiment was carried out to evaluate the effects of mycorrhizal inoculation and an organic amendment on coffee (Coffea arabica L.) seedling growth. A soil (fine, mixed, isothermic Typic Dystrudept) was either amended or unamended with composted coffee pulp (2:1 ratio, V:V), sterilized or not sterilized with Basamid™, and either inoculated or uninoculated with three mycorrhizal inocula: (i) Entrophospora colombiana, (ii) native Glomus spp., or (iii) a mix containing G. manihotis, G. fasciculatum, and E. colombiana. Plant growth and mycorrhizal activity were severely constrained in the unamended soil, which had low organic matter content, low pH, very high extractable aluminum (Al), and low availability of phosphorus (P), boron (B), calcium (Ca), magnesium (Mg), and potassium (K). Plants grew significantly better in the amended soil and further increases in coffee seedling height resulted with mycorrhizal inoculation. No significant differences were found among mycorrhizal inocula. In addition, sterilization significantly reduced plant growth in both amended and unamended soils.
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Claims 5
Claim · model-written summary
Plant growth and mycorrhizal activity were severely constrained in unamended soil.
- Outcome
- Plant growth and mycorrhizal activitye0
- Direction
- severely constrainede0
- Setting
- unamended soile0
CoffeaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant growth and mycorrhizal activity were severely constrained in the unamended soil”
t0“coffee”
Claim · model-written summary
Coffee seedlings grew significantly better in amended soil.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants grew significantly better in the amended soil”
e1“amended or unamended with composted coffee pulp”
t0“coffee”
Claim · model-written summary
Mycorrhizal inoculation further increased coffee seedling height.
- Treatment
- mycorrhizal inoculatione0
- Interactor
- mycorrhizal inoculae1symbiont
- Outcome
- coffee seedling heighte0
- Direction
- increasese0
- Comparator
- uninoculatede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“further increases in coffee seedling height resulted with mycorrhizal inoculation”
e1“either inoculated or uninoculated with three mycorrhizal inocula”
t0“coffee”
Claim · model-written summary
The three mycorrhizal inocula did not differ significantly in their effects.
- Treatment
- mycorrhizal inoculae0
- Interactor
- mycorrhizal inoculae0symbiont
- Outcome
- differencese0
- Comparator
- mycorrhizal inoculae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant differences were found among mycorrhizal inocula.”
t0“coffee”
Claim · model-written summary
Sterilization significantly reduced growth in amended and unamended soil.
- Treatment
- sterilizede1
- Outcome
- plant growthe0
- Direction
- reducede0
- Qualifier
- both amended and unamended soilse0
- Comparator
- not sterilizede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sterilization significantly reduced plant growth in both amended and unamended soils”
e1“sterilized or not sterilized with Basamid™”
t0“coffee”
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See all 21 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.