Riveridge pursues vacuum harvest technology - The Packer

Riveridge pursues vacuum harvest technology

08/22/2014 03:33:00 PM
Mike Hornick

vacuum harvest aid Riveridge ProduceCourtesy Riveridge Produce Marketing Inc.Riveridge Produce Marketing Inc., Sparta, Mich., plans to expand use of a vacuum harvest aid on apples this fall after a six-week pilot test last year found benefits in productivity and quality.

The harvest aid and its automated picking platform were invented and patented by Phil Brown Welding Inc. Besides machinist Phil Brown, it was developed under the direction of growers Chuck Dietrich and Mike Rasch.

It was used on about 5% of Riveridge acreage in 2013.

“What we wanted to see last year was how well the vacuum harvest machinery handled the fruit from the picker into bin filler, as the first test of whether the system was a viable option for us,” Justin Finkler, Riveridge operations manager, said in a news release. “We were very pleased with the results of the bruising trials.”

Riveridge Produce sells more than a third of Michigan’s fresh apples and anticipates a 32 million bushel crop.

“While we plan additional tests this year, we believe the vacuum harvesting aid has potential to help address our labor issues and bring better quality fruit to harvest,” Don Armock, president, said in the release.

In side-by-side trials on the same days, blocks and varieties, the company found bruising was less frequent where the vacuum aid was used. “We believe that our future includes harvest-assist machinery, quite possibly this system,” Armock said.

The system’s components include a picking platform that carries four workers up or down on a hydraulic platform. It’s self-propelled by a driverless tractor.

Apples are still picked by hand, but conveyed by vacuum equipment. That equipment resembles traditional sash-supported pails used by harvesters, except that the bottom is a padded vacuum hose conveying apples into a bin.

A third component lowers the filled bin into the aisle, where a box hauler removes it from the orchard and replaces it with an empty bin. A fifth worker acts as a monitor.

During the pilot, conventional harvesters picked fruit from the ground as high as they could reach. Workers on the vacuum harvesting platform picked tree tops.

“Anytime you can take the ladder out of the equation, it’s better on bruising, faster for the workers and better on safety,” Finkler said. “In some of the trials we tried to use the vacuum harvester to do it all. But the worker on the ground is hard to beat for efficiency.”

The ground crew worked about 15% to 20% faster, he said.

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