Claim · model-written summary
Total P removal over 20 years was nearly equal to P application.
- Taxon
- barley
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Hordeum vulgaree1 - Outcome
- Total removal of Pe0
- Value
- 615 kg P2O5 ha-1e0
- Qualifier
- 600 kg P2O5 ha-1e0
- Comparator
- total P applicatione0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Total removal of P during the first 20 years of the experiment (615 kg P2O5 ha-1) was virtually equal to total P application (600 kg P2O5 ha-1)”
e1“yield of continuous barley”
Title
Phosphorus status of a soil in a long-term experiment
R. E. Karamanos; G.A. Kruger 2007
Other claims from this paper (5)
- Observation Subtracting N-only control removal gave a residual P component of 474 kg P2O5 ha-1.
- Intervention effect Stopping P fertilizer reduced barley grain yield by 21% with seedrow placed placement.
- Intervention effect Stopping P fertilizer reduced barley grain yield by 12% with banded placement.
- Intervention effect Stopping P fertilizer reduced barley grain yield by 15% with 1/3 seedrow placed and 2/3 banded placement.
- Method / resource PRS probes accounted for more than 90% of variation in P removal and barley yield.