NDLI: The influence of bearing cycles on olive oil production response to irrigation

Content Provider	Springer Nature Link
Author	Ben Gal, A. Yermiyahu, U. Zipori, I. Presv, E. Hach, E. Dag, A.
Copyright Year	2010
Abstract	Water requirements for olive oil production and the effects of deficit irrigation were determined while considering the relative fruit loads on trees occurring as a result of biennial bearing cycles. Two Israeli olive (Olea europaea) varieties (Barnea and Souri) were evaluated for growth and yield parameters in a 4-year field study where five relative irrigation rates were applied. Increasing irrigation increased stem water potential, vegetative growth, and olive fruit yield with the increases tapering off at application rates reaching 75–100% of potential crop evapotranspiration. Tree water status, growth, and fruit characteristic parameters were highly affected by both fruit load and by irrigation level. Oil yield increases as a function of increased irrigation were initiated for each cultivar only following an ‘off’ season when the treatments lead to higher vegetative growth. The increased oil yields as a function of increased irrigation were primarily explained by higher tree-scale capacity for carrying fruit, especially as irrigation alleviated measureable water stress. For the Barnea cultivar in ‘on’ years, a secondary effect due to increased oil per fruit as irrigation increased was evident, particularly at the higher application rates.
Starting Page	253
Ending Page	263
Page Count	11
File Format	PDF
ISSN	03427188
Journal	Irrigation Science
Volume Number	29
Issue Number	3
e-ISSN	14321319
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-10-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environment Climate Change Sustainable Development Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Agriculture
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Soil Science Water Science and Technology

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