ANOVA F-values of bud burst, number of flushes and duration of growth.

Main effects and selected two-way interactions of drought (D, continuous vs. discontinuous irrigation), air warming (AW, ambient vs. elevated air temperature), soil (acidic vs. calcareous), species (Spec) and provenance (Prov, nested within species) on bud burst (day of the year when 50% of buds were burst), the number of flushes per tree and duration of shoot growth, all separately shown for each year, n = 8. df1: degrees of freedom in the numerator; df2: degrees of freedom in the denominator; F-values: 0.0 refer to values PPPP