Claim · model-written summary
Ammonium sulphate was associated with reduced wheat yields in two of three trials
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- ammonium sulphatee0
- Outcome
- yieldse0
- Direction
- reducede0
- Setting
- two out of three multiple wheat cropping trialse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“reduction in wheat yields”
e0“reduced yields in two out of three multiple wheat cropping trials, where ammonium sulphate (S/A) was applied each year at 376 kg ha-1 (76 kg N ha-1)”
Title
MG Mason Australian Journal of Experimental Agriculture and Animal Husbandry 1980. doi:10.1071/ea9800210
Other claims from this paper (15)
- Intervention effect Ammonium sulphate lowered soil pH and exchangeable bases at all three sites
- Intervention effect Ammonium sulphate increased exchangeable H in the soil at all three sites
- Intervention effect Ammonium sulphate markedly increased available Al at Merredin and Wongan Hills, to a much lesser degree than at Beverley
- Intervention effect Ammonium sulphate increased available Mn at Beverley
- Intervention effect Ammonium sulphate increased plant Mn levels at Wongan Hills and Beverley
- Intervention effect Ammonium sulphate showed no consistent effect on plant Al levels
- Intervention effect Ammonium sulphate reduced plant Mo levels at all sites
- Association Reductions in soil Mg and K are reflected in lower contents of these nutrients in wheat tops
- Observation Ca content in wheat tops was affected only at Merredin
- Intervention effect Lime gave a large growth response in pots on soil from high S/A plots at Merredin and Wongan Hills
- Intervention effect Calcium, magnesium or potassium gave no growth response in pots on high S/A soil
- Association The lime response was associated with decreased Al in plants at both sites
- Association The lime response was associated with increased P at Merredin
- Mechanism The authors consider Al toxicity the most likely cause of the yield reductions
- Mechanism The authors suggest K and Mo levels could be marginal for healthy growth of wheat