Infrastructure unit for irrigation of olive orchard in Slovenia

Infrastructure unit for irrigation of olive orchard in Slovenia

Demonstration Site description

The experimental site was established in 2009 in private olive orchard (cv. 'Istrska Belica', owned by Angelo Hlaj) located at Slovene Istria (Dekani village: 45°33,541’N, 13°47,637’W; 96 m altitude). The climate is Mediterranean with a mean annual precipitation of 953 mm (20 – year average, 1991-2010). The daily mean temperature varied between 4.1oC in winter (January) and 22.5oC summer (July).

Well designed and controlled drip irrigation systems was imposed to apply different amounts of water. Different irrigation treatments consist of a rain-fed control, 100 % of ETc control considering soil water content, and different reduced amount of water.
The aims of the research project is to study the impact of water stress on growth and fertility of olive trees and to determine the optimal irrigation treatment for the optimal yield.

Results obtained so far

Analyses have shown some positive effects of irrigation at reduced dose of covering plant evapotranspiration under standard conditions (ETc) on olive oil quality.

Success factors

Establishment of technological guidelines for irrigation of olives in the region. The pilot experiment will demonstrate and stimulate growers and experts for more sustainable (including economically sound) production and more efficient water use for irrigation. Consequently the negative impact of olive production to water quantity and quality will reduce.

Performance indicators

Number of farmers following established technological guidelines for irrigation of olives in the region.

Repeatability & Applicability

Results from this experimental site with different reduced irrigation treatments in olive orchard can be used as a base for irrigation experiment for any other crop in the same area or for olive tree treatments in any other olive growing appropriate areas.

Further references

http://www.sicris.si/search/prj.aspx?lang=eng&id=6621&subopt=400

Contact

marina.pintar@bf.uni-lj.si 

maja.podgornik@zrs.upr.si 

Projects Information
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