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Pre-requisites for mechanical harvesting are correct tree spacing (no closer than 8mx5m) and correct pruning. Indicative costs are $3-$5 per tree.
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Mechanical harvesters can be attached to tractors or are complete units.
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They can be purchased, hired or contracted.
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Some machines catch fruit, others dislodge it into a net.
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Harvesting rates vary from 1-2 trees per minute.
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Terrain, slope and ground cover affect the speed of harvest, the flatter the faster.
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Vase shaped pruning is preferred to monoconical to avoid bruising.
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Ripe fruit is easier to remove.
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Removal efficiency depends on variety.
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Removal % up to 95% can be achieved.
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Remaining fruit is hand harvested.
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Tree damage should be minimal.
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Fruit damage of up to 3% can be expected.
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Bark damage should be avoided.
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