University of California Cooperative Extension （加州大学合作推广）.pdf

University of California Cooperative Extension First Press Newsletter of Olive Oil production and Evaluation Volume 2, Number 2 Winter ‘06 –’07 Orchard Spacing for Frost or Freeze? Oil Olives Record cold temperatures in January have severly impacted the citrus crop in the Southern San Joaquin and wreaked By Paul Vossen Alexandra Devarenne about 30 years and is suited to all olive horticultural havoc in other parts of the One of the early decisions that faces cultivars. It can be hand harvested, with state. Fortunately this time the cold snap the new olive grower is tree spacing. The or without mechanical assistance, or came well after most olives were safely decision will be influenced by a number with a truck shaker. Hilly terrain is not harvested. But that isn’t always the case, of different factors: terrain, economics, an obstacle, although extreme slopes will and it is worth looking at the different soil quality, olive variety and so on. This require terracing or hand harvest. degrees of damage that cold can inflict article will look at the various options The super-high-density (SHD) on olives. and some of the theory behind orchard system is a fairly recent innovation, spacing. Some of the choices t