Bloom data of sweet cherry var. 'Schneiders spaete Knorpelkirsche' recorded at Klein-Altendorf, Germany, the experimental station of the University of Bonn
A data frame with the following 2 variables.
a numeric vector, indicating the observation year
a vector that, when coerced by as.numeric, contains bloom data in Julian dates (day of the year)
data were collected by Achim Kunz and Michael Blanke, University of Bonn
Luedeling E, Kunz A and Blanke M, 2013. Identification of chilling and heat requirements of cherry trees - a statistical approach. International Journal of Biometeorology 57,679-689.