Abstract
Abstract The interactions of lime, seed pelleting, and inoculation level were investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse. In the absence of seed pelleting, the addition of 2500 kg/ha of lime markedly increased the growth of clover on soils of low pH (4.7–5.0). The same effect was produced in the absence of lime by pclleting the seed (with lime or Gafsa‐phosphate + dolomite). The increase m plant growth from lime or pelleting accompanied an increase in nodulation on one soil (pH 4.9) where nodulation was investigated. Lime or pelleting increased both crown (within 1 cm of soil surface) and distal (remainder) nodules. On soils of pH 5.3–5.5, lime and pelleting effects were variable and less marked than al lower pH. Pelleting either had no effect or increased clover growth, whereas the effect of lime ranged from depression to enhancement. At pH 6.2, both lime and pelleting depressed growth. On two soils (pH 5.0 and 5.4), increasing the inoculation level from 2 × 10 3 to 2 × 10 4 rhizobia per seed markedly increased the growth of clover in the absence of lime and pelleting. On one of these soils (pH 5.4), increasing the inoculation level replaced the requirement for lime or pelleting for maximum plant growth. There were no significant differences between lime and Gafsa‐phosphate + dolomite as peileting materials.
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Claims 9
Claim · model-written summary
Addition of 2500 kg/ha of lime markedly increased clover growth on soils of low pH (4.7–5.0) in the absence of seed pelleting.
- Taxon
- white clover
Trifolium repense0 - Treatment
- addition of 2500 kg/ha of limee1
- Outcome
- growth of clovere1
- Direction
- increasede1
- Qualifier
- on soils of low pH (4.7–5.0)e1
- Comparator
- In the absence of seed pelletinge1
- Setting
- glasshousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e1“In the absence of seed pelleting, the addition of 2500 kg/ha of lime markedly increased the growth of clover on soils of low pH (4.7–5.0). The same effect was produced in the absence of lime by pclleting the seed”
Claim · model-written summary
Seed pelleting increased clover growth in the absence of lime on low-pH soils.
- Taxon
- white cloverTrifolium repense0
- Treatment
- pclleting the seede1
- Outcome
- growth of clovere1
- Direction
- increaseinferrede1
- Comparator
- in the absence of limee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e1“In the absence of seed pelleting, the addition of 2500 kg/ha of lime markedly increased the growth of clover on soils of low pH (4.7–5.0). The same effect was produced in the absence of lime by pclleting the seed”
Claim · model-written summary
Lime or pelleting was accompanied by increased nodulation on one soil (pH 4.9).
- Taxon
- white cloverTrifolium repense0
- Treatment
- lime or pelletinge2
- Outcome
- nodulatione2
- Direction
- increasee2
- Qualifier
- on one soil (pH 4.9)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e2“The increase m plant growth from lime or pelleting accompanied an increase in nodulation on one soil (pH 4.9)”
Claim · model-written summary
Lime or pelleting increased both crown and distal nodules.
- Taxon
- white cloverTrifolium repense0
- Treatment
- Lime or pelletinge3
- Outcome
- nodulese3
- Direction
- increasede3
- Qualifier
- crown (within 1 cm of soil surface) and distal (remainder)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e3“Lime or pelleting increased both crown (within 1 cm of soil surface) and distal (remainder) nodules”
Claim · model-written summary
On soils of pH 5.3–5.5, lime and pelleting effects on clover were variable and less marked than at lower pH.
- Taxon
- white cloverTrifolium repense0
- Treatment
- lime and pelletinge4
- Outcome
- effectse4
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e4“On soils of pH 5.3–5.5, lime and pelleting effects were variable and less marked than al lower pH”
Claim · model-written summary
At pH 6.2, both lime and pelleting depressed clover growth.
- Taxon
- white cloverTrifolium repense0
- Treatment
- lime and pelletinge5
- Outcome
- growthe5
- Direction
- depressede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e5“At pH 6.2, both lime and pelleting depressed growth”
Claim · model-written summary
On two soils (pH 5.0 and 5.4), increasing the rhizobial inoculation level markedly increased clover growth in the absence of lime and pelleting.
- Taxon
- white cloverTrifolium repense0
- Treatment
- increasing the inoculation level from 2 × 10 3 to 2 × 10 4 rhizobia per seede6
- Interactor
- rhizobiae6symbiont
- Outcome
- growth of clovere6
- Direction
- increasede6
- Qualifier
- On two soils (pH 5.0 and 5.4)e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e6“On two soils (pH 5.0 and 5.4), increasing the inoculation level from 2 × 10 3 to 2 × 10 4 rhizobia per seed markedly increased the growth of clover in the absence of lime and pelleting”
Claim · model-written summary
On the soil at pH 5.4, increasing the inoculation level replaced the requirement for lime or pelleting for maximum clover growth.
- Taxon
- white cloverTrifolium repense0
- Treatment
- increasing the inoculation levele7
- Outcome
- maximum plant growthe7
- Direction
- replacede7
- Comparator
- lime or pelletinge7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e7“On one of these soils (pH 5.4), increasing the inoculation level replaced the requirement for lime or pelleting for maximum plant growth”
Claim · model-written summary
Lime and Gafsa-phosphate + dolomite did not differ significantly as seed pelleting materials.
- Taxon
- white cloverTrifolium repense0
- Treatment
- limee1
- Outcome
- differencese1
- Direction
- no_changeinferrede1
- Comparator
- Gafsa‐phosphate + dolomitee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigated on white clover ( Trifolium repens ) growing on a range of soils in the glasshouse”
e1“There were no significant differences between lime and Gafsa‐phosphate + dolomite as peileting materials”
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See all 11 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.