56 Act II / Poggio al Tesoro, Nature and the Elements 57 Act II / Poggio al Tesoro, Nature and the Elements FIRE Fuoco When you arrive in Bolgheri the sun has already made its force felt, its power, and its energy. It lies in waiting for you a few kilometers before in order to introduce you little by little to this unique and unusual environment. It is a complex and complicated reality to understand because it is necessary to put into place that series of factors which are only to be found here. We would have preferred not to speak of sums of temperatures of climatic indexes which fill pages and pages of magazines or brochures, but I fear that we are going to be obliged to do so, even if what interests us is what the sun transmits to this corner of Tuscany which is more the qualitative than the quantitative aspect. Accordingly, let us immediately take the bull by the horns and talk about climatic indexes: Winkler’s, which measures the sum of average temperatures above 10° centigrade (50° Fahrenheit) from April 1st to September 30th, substantially speaking those which are useful to the physiological functioning of the vine, and Huglin’s, which measures, the sum of the average temperatures, which are then added to the sum of maximum temperatures from 10° to 35° centigrade (50°-95° Fahrenheit) during the same period. Act II Scene III
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