Claim · model-written summary
Powdered dicalcium phosphate had about 60% superphosphate-equivalent value for barley.
- Taxon
- barley
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Hordeum vulgaree0 - Treatment
- Powdered dicalcium phosphatee0
- Outcome
- equivalente0
- Value
- 60%e0
- Comparator
- superphosphatee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingDirectionQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Powdered dicalcium phosphate was equivalent to about 60% as much phosphorus applied as superphosphate to barley”
Title
G. E. G. Mattingly; A. Penny The Journal of Agricultural Science 1968. doi:10.1017/s0021859600010972
Other claims from this paper (13)
- Intervention effect Ryegrass season yield was similar with all fertilizers.
- Intervention effect Nitrophosphate-5 caused slower initial ryegrass growth than superphosphate.
- Intervention effect Gafsa rock phosphate caused slower initial ryegrass growth than superphosphate.
- Intervention effect Basic slag caused slower initial ryegrass growth than superphosphate.
- Intervention effect Nitrophosphate-5 reduced early grass phosphorus uptake compared with superphosphate.
- Intervention effect Gafsa rock phosphate reduced early grass phosphorus uptake compared with superphosphate.
- Intervention effect Basic slag reduced early grass phosphorus uptake compared with superphosphate.
- Intervention effect Powdered dicalcium phosphate yielded more season-long phosphorus uptake than superphosphate.
- Intervention effect Granular potassium metaphosphate yielded more season-long phosphorus uptake than superphosphate.
- Observation Rock phosphate was almost inert for barley.
- Observation Basic slag had 22% superphosphate-equivalent value for barley.
- Observation Potassium metaphosphate had 23% superphosphate-equivalent value for barley.
- Observation Three granular nitrophosphates had superphosphate equivalents of 1, 25 and 53%, nearly matching their water-soluble phosphate.