Claim · model-written summary
Adding 120 kg N/ha enhanced soil nitrogen taken up in maize grain by 53%.
- Treatment
- 120 kg N/hae0
- Outcome
- amount of soil nitrogen taken up in the maize graine0
- Direction
- enhancede0
- Value
- 53%e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the addition of 120 kg N/ha enhanced the amount of soil nitrogen taken up in the maize grain by 53%”
Title
E. P. Papanicolaou; V. D. Skarlou; C. Nobeli; et al. The Journal of Agricultural Science 1983. doi:10.1017/s0021859600038715
Other claims from this paper (12)
- Intervention effect Phosphorus alone had no effect on maize yield.
- Intervention effect Nitrogen alone increased maize yield.
- Intervention effect Combined nitrogen and phosphorus increased maize yield.
- Observation Yield differences among fertilizer sources in field experiments were not significant.
- Intervention effect Ammonium sulphate gave the highest maize yields in the pot experiment.
- Intervention effect Nitrogen increased maize utilization of phosphorus fertilizer.
- Intervention effect Incorporation placement was superior in the pot experiment.
- Intervention effect Incorporation placement showed a similar superior trend in field experiments except for ammonium phosphate-sulphate.
- Observation Ammonium fertilizer was better utilized than nitrate fertilizer.
- Observation Urea fertilizer was better utilized than nitrate fertilizer.
- Association Higher nitrogen utilization was associated with higher yields.
- Intervention effect Phosphorus fertilizer benefited nitrogen fertilizer utilization.