Claim · model-written summary
Dividing nitrogen between autumn and spring offered little benefit, without significant differences.
- Taxon
- winter wheat
Triticum aestivumt0 - Treatment
- dividing dressings of nitrogen between autumn and springe0
- Outcome
- advantagee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was little advantage in dividing dressings of nitrogen between autumn and spring in any of the experiments and none of the differences reached significance.”
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 Nitrogen responses varied between seasons.
- 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 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.