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Oil Production  >  Harvesting

In order to obtain quality oil, it is fundamental to harvest the olives at their optimum moment of ripeness. The best time for harvesting is when the olive increases in size and starts to take on the characteristic tones that define each variety.

The following factors, amongst others, define the optimum period for harvesting: resistance to pulling on the olive stalk, oil content in the olive flesh, oil quality, and previous harvesting dates.

Picking
The majority of olive picking is done by hand, and although new technologies are being brought in to facilitate olive picking, these systems are not widely used in this sector. There are three traditional picking methods:

• Picking off the ground

Farmers wait until the ripe fruit falls naturally off the tree, and the olives are collected from the ground. This procedure may be repeated later when more olives have fallen. This method is used in the case of very large trees and when it is difficult to access the zone. Its major disadvantage clearly lies in the quality of oil that is produced, with low yield and therefore high labour costs.

Ordeņo (by hand)

This is by far the most commonly used method in picking table olives. The labourer stands up on a ladder or reaches up from the ground to pick the olives by hand and drop them into a bag hanging around his neck. In the case of olives that are to be made into oil, the procedure is simplified, and here the labourer runs his hand along the olive-loaded branches, and the olives fall onto canvas sheets laid out underneath the tree. 

Vareo (beating)

This is the most commonly used method in the fields. The labourer beats the branches with a three or four metre long pole in a crossways motion in order not to damage the tree. The olives are collected in canvas sheets or nets that are spread out over an area that amply covers the size of the tree. The sheets are then folded up and their contents are tipped into baskets or sacks.

Knocking the olives down is the procedure that has undergone the biggest development in mechanisation, and where there is the greatest focus on speeding up the labourer’s work and making it less awkward. This is why engineers are insisting on developing machines that will meet the needs of workers at this preliminary stage.