Mar 8, 2019
UC Davis reviews primocane-bearing blackberries’ costs

The first-ever cost study of primocane-bearing blackberries in California has been published by the University of California’s (UC) Agricultural Issues Center and UC Cooperative Extension. With primocane-bearing, growers can extend the blackberry production season.

“What differentiates primocane-bearing blackberry from the traditional floricane-bearing is that it bears fruit in the first year rather than the second,” explained co-author Mark Bolda, UC Cooperative Extension advisor.

“Which, of course, opens a world of opportunity for growers, since they are able to produce fruit in the first year rather than the second as has traditionally been the case,” Bolda said. “That’s what makes this study so interesting to us.”

Primocanes are the green, vegetative stalks of the blackberry plant, generally the first-year cane. The second year, they become floricanes, flowering and fruiting.

The study presents sample costs to establish, produce and harvest primocane-bearing blackberries in the Central Coast Region of Santa Cruz, Monterey and San Benito counties.

The analysis is based on a hypothetical well-managed farming operation using practices common to the region. The costs, materials and practices shown in this study will not apply to all farms. Growers, UC ANR Cooperative Extension farm advisors and other agricultural associates provided input and reviewed the methods and findings of the study.

This study assumes a farm operation size of 30 contiguous acres of rented land, with primocane-bearing blackberries for fresh market planted on 15 acres. The crop is hand-harvested and packed into 4.5 pound trays. During the establishment year, there is a four-month harvest – July through August. Primocane blackberries can produce fruit on first-year growth. There is also a four-month harvest for each of the four production years.

The authors describe assumptions in detail and present a table of costs and returns based on those assumptions about production, input materials, prices and yields. A ranging analysis shows the impact on net returns of alternative yields and prices. Other tables show the monthly cash costs, the costs and returns per acre, hourly equipment costs, and the whole farm annual equipment, investment and business overhead costs.

The study also has an expanded section on labor, which includes information on California’s new minimum wage and overtime laws.

“This work investigating the economics of a newer cultural system for our area came out of a close collaboration between UCCE academics and area growers,” said Bolda, who serves Santa Cruz, Monterey and San Benito counties, “so the level of detail and accuracy is outstanding.”

Free copies of this study and other sample cost of production studies for many commodities are available. To download the cost studies, visit the UC Davis Department of Agricultural and Resource Economics website at https://coststudies.ucdavis.edu.

The cost and returns studies program is funded by the UC Agricultural Issues Center and UC Cooperative Extension, both of which are part of the UC Division of Agriculture and Natural Resources, and the UC Davis Department of Agricultural and Resource Economics.

For additional information or an explanation of the calculations used in the studies, contact the UC Agricultural Issues Center at 530-752-4651 or UC Cooperative Extension advisors Mark Bolda 831-763-8025 or Laura Tourte 831- 763-8005 in Santa Cruz County.





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