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  • 1 University of California Cooperative Extension, 733 County Center III Ct., Modesto CA, 95355.

In an effort to maximize early return on investment and labor efficiency, cling peach growers in California are using two different types of high-density plantings; the perpendicular-V (1.8m × 4.8m = 930 Trees/ha), and the cordon (2.4m × 4.2m = 925 Trees/ha). The V has the advantage of being more traditional in its establishment, where the cordon has the advantage of higher yields and no need for wires, props or ladders to prune, thin and pick.

This study evaluated the cultural and economic considerations of the two systems with respect to their yields during the orchards' establishment years.The cumulative labor costs, specific to the style of training for the first 3 years was $1258 and $901 per hectare for the cordon and V respectively.

Cumulative yields were 40.4 tons/ha for the cordon and 22.0 tons/ha for the V. When contrasting the net returns per hectare, the cordon, in spite of its higher labor input (due largely to higher thinning and harvest costs), had a net profit advantage of $3362.50 per hectare during the first 3 years of establishment.

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