Claim · model-written summary
Nitrogen responses varied between seasons.
- Taxon
- winter wheat
Triticum aestivumt0 - Outcome
- Responses to nitrogene0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Responses to nitrogen varied considerably between seasons.”
t0“winter wheat”
Title
The effects of nitrogen upon three stiff-strawed winter wheat varieties
F. V. Widdowson The Journal of Agricultural Science 1959. doi:10.1017/s0021859600030872
Other claims from this paper (12)
- Observation First nitrogen increments significantly raised yield in 23 of 33 comparisons.
- Observation Second nitrogen increments gave significant gains in seven comparisons.
- Observation In 1955, responses were large and consistent across centres.
- Observation In 1956, responses were generally smaller.
- Observation In 1957, mean responses were lower than previous seasons.
- Observation Dividing nitrogen between autumn and spring offered little benefit, without significant differences.
- Observation Applying all nitrogen in spring yielded more than applying some in autumn.
- Observation Hybrid 46 consistently benefited from the highest manuring rates.
- Observation Hybrid 46 had the highest percentage yield gain each year.
- Observation Minister had the lowest percentage yield gain each year.
- Observation Hybrid 46 had the highest grain nitrogen percentage.
- Observation Hybrid 46 converted more fertilizer nitrogen into grain or crude protein than the other varieties.