Claim · model-written summary
High manure application rates or supplemental N fertilizer are needed to meet crop N requirements.
- Taxon
- Canola (Brassica napus, L.), spring wheat (Triticum aestivum, L.), hulless barley (Hordeum vulgare, L.)e0
- Outcome
- high application rates or addition of supplemental N fertilizere6
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Verbatim
e0“Canola (Brassica napus, L.), spring wheat (Triticum aestivum, L.), hulless barley (Hordeum vulgare, L.) and canola were seeded in spring of 1997, 1998, 1999 and 2000”
e6“Low availability of N in feedlot cattle manure over the short-term suggests the need for high application rates or addition of supplemental N fertilizer”
Title
S. P. Mooleki; J. J. Schoenau; J. L. Charles; et al. Canadian Journal of Soil Science 2004. doi:10.4141/s02-045
Other claims from this paper (9)
- Intervention effect Pre-seeding available N increased with feedlot cattle manure application rate.
- Intervention effect Annual feedlot manure application increased grain yield linearly with application rate.
- Intervention effect Annual feedlot manure application had no effect on grain N concentration.
- Observation Cumulative N use efficiency was low, 7–10%.
- Observation Cumulative N use efficiency did not differ significantly among manure treatments.
- Intervention effect A single feedlot manure application gave a residual fertility benefit in the second year.
- Intervention effect A single feedlot manure application gave no residual fertility benefit in the third year except at the high rate.
- Intervention effect Incorporation timing of feedlot cattle manure had no impact on soil or crop performance.
- Observation Feedlot cattle manure supplied little available N over the short term.