Feb 9, Plant your tree at the depth it has been growing in the pot. Once established, olive trees are among the most drought-resistant trees in the. Feeding olive trees throughout the growing season is essential to promote strong healthy foliage. Olive trees are very drought tolerant, but they still enjoy a good. Abstract. Olive trees (Olea europaea L.) are commonly grown in the Mediterranean basin where prolonged droughts may occur during the vegetative period.

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If your tree is planted in a lawn area, take care that lawn maintenance practices do not harm the tree.

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References 4 University of California: This level of water availability begins to approach dry land farming, a situation in California that is not economically sustainable. Feeding olive trees Apply a top-dressing of nitrogen rich, general purpose feed 2 to 3 times through the growing season. Regulated deficit irrigation applications: Watering olive trees Olive trees are very drought tolerant, but they still enjoy a good drink during dry periods, especially when planted in containers, and especially for less established trees.

This olive regulated deficit irrigation strategy can save water while maintaining good yield of high quality fruit, but you must have good control of your water applications and know what you’re doing.

However, olive fruit production and the economic survival of the orchard operation does not depend solely on tree survival. See the following section on optimum irrigation for olive oil production.

Water rree planted specimens every third day for the first two weeks. They also hold too much water in wet periods and, once dry, shed irrigation water and rainfall like a shingle roof. How regularly will depend upon the type of fertilizer used.

We at Olive Tree Growers prefer to use a premium slow-release fertilizer with essential minor elements zinc, boron, calcium, etc. The percentage of olive oil extracted from fruit decreased in a linear fashion at three of four harvest okive as the amount of applied water was increased. Things You Will Need Drip emitter. The reduction in oil extraction with increased applied water was somewhat offset by increased fruit doughtt.


Do not amend the soil with organic material, moisture-retaining polymers, fertilizer or anything else. Water is lost from an olive orchard to both evaporation and transpiration the combination of which is referred to as evapotranspiration, or ET. The presence of sooty mold on leaves and bark, or ants crawling on your tree, indicates the presence of scale insects.

A comparative study evaluating the influence of seven different levels of water applied by drip irrigation to ‘Arbequina I’ olive trees grown in a super high density orchard trees per acre in the Sacramento Valley of California was conducted in the early ‘s Grattan et al, If planting dougnt done after mid-August but before March 1, do not fertilize at the time of planting; wait until spring.

Avoid heavy applications of fast release fertilizer that could damage plants and leach or run-off into groundwater. The resulting average water requirements of olive trees at full ETc can be met by a combination of rainfall and irrigation. Do not use wires, water hoses, cloth, cables, guying systems or other means of securing your tree.

Olive tree growing environment Enjoys full sun, but ideally keep out of cold winds.

Olives – UC Drought Management

A fast-release farm-type fertilizer such as or may be used according doought label directions. It is also a good idea to cut out small interior branches that will ultimately clutter the tree’s appearance and provide protection for any pests or diseases that may be lurking around your site. It needs regular watering to thrive. Full ETc was met in the Spring by annual rainfall and a fully recharged soil profile until the irrigation season began in late April to early May.

A regulated deficit irrigation regime at several levels of water reduction is olibe in Table 2. Olive oil production as influenced by different quantities of applied water. Move the drip emitter at olivr time so it is a few inches farther from the trunk.


Trees with higher irrigation levels were first to show color changes in fruit maturity but once fruits on water stressed trees began to mature they did so at a much faster rate. Remember that the roots of any tree extend far beyond the drip-line of the branches. Young olive trees should be watered tere as they become established.

Olive crop water use ETc in a clean cultivated orchard or tred weeds are completely controlled follows in Table 1.

If you wish to encourage olive growth, be prepared to water your trees with infrequent, deep waterings. WATERING Once tee, olive trees are among the most drought-resistant trees in the world, but porous soils such as Free sand are very inefficient at retaining moisture; olive trees in sandy soils must be watered often. If pine straw is not available, you can mulch with pine bark or gravel. It may be helpful to prune the top, upwardly growing, branches back by a few inches to encourage lateral growth, thus facilitating the picking of fruit.

In table olive production, maximum fruit size and fruit yield must be maintained, while in olive oil production, oil yield and quality must be maximized if an orchard is to remain economically viable. If grown in pots, olive trees are best grown with loam-based compost with added grit for drainage. Fruit retention was unaffected by irrigation treatment. Ideally, if possible, keep out of very strong winds. Best soil for olive trees The olive tree prefers a well-drained, light, sandy soil with a slightly acidic to alkaline Ph level.

How to Water Olive Trees

In addition to her work as a writer, she is an accomplished painter and experienced art teacher. Average monthly reference evapotranspiration ETo.

Olive crop doought use Etc when fully irrigated and clean cultivated.