Claim · model-written summary
Degree-day accumulations offered little advantage over calendar days after accounting for calculation ease.
- Taxon
- Tomato
Solanum lycopersicumt0 - Outcome
- little advantagee0
- Comparator
- calendar dayse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The use of degree-day accumulations showed little advantage over calendar days when the ease of calculation for calendar days was considered.”
t0“Tomato”
Title
Use of Heat Units to Predict Dates for Once-Over Tomato Harvest
M. E. Austin Journal of the American Society for Horticultural Science 1968. doi:10.21273/jashs.3.1.41
Other claims from this paper (3)
- Method / resource Calendar-day measurements appeared more practical and reliable than degree days.
- Method / resource Calendar days from cessation of stem enlargement predicted earliest maximum yield more reliably than days from transplanting.
- Method / resource Days from stem enlargement cessation was the most reliable of the studied criteria.