Quality-enhancing pruning (see there), in which pruning back to short shoots with relatively few eyes (buds) results in fewer grape clusters, i.e. a reduction in yield. In terms of shoot length or number of eyes, a distinction is made between cane, arch and cone. Which length is chosen depends on the vigour of the vines or the grape variety, as well as the environmental conditions in terms of climate and soil type. This is an important, but only one of the possible measures for lower or reduced yields. See also thinning out and foliage care, as well as a list of all measures under vineyard care.
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Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen