Alternate bearing refers to the tendency of an entire tree to produce a greater than average crop one year, and a lower than average crop the following year.
Alternate Bearing - Fruit & Nut Research & Information Center
fruitandnuteducation.ucdavis.edu › generaltopics › Tree_Growth_Structure

Glosario internacional para el traductor
https://books.google.es › books -
... vecería: alternate bearing (plant) vecero: relating to a plant that gives abundant fruit in alternate years; alternate bearing (plant)

https://www.proz.com/kudoz/spanish-to-english/agriculture/63...