Coffee producing countries with more than one wet and dry season will have more than one harvesting season. There is a direct relationship between extremes of day and nighttime temperatures and coffee quality.
When guitar tab has a x and then a number at the end of the tab what does it mean? 'x' means the particular string it is next to is not played, 'number' is at which fret to play the string the number is by, counting down from the headstock.
For ease of computation, this same sign method actually estimates the set of x values, [xL, xU], corresponding to the linear range. This set of x values will be called the linear domain.