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Commentary: Sustainability a two-way conversation

As an agriculture consultant who has equity ownership in a large-scale grain farm, I get the benefits of seeing the forest through the trees. This may not make me the most loved professional by all farmers, but it does allow me to step back and provide additional perspectives.

“Sustainability” in agriculture has become a buzzword. And, since it has become a subjective term these days, we must rely on data and analytics to help tell our story.

Here is where we, as an industry, have dropped the ball. As the stewards of the land, we don’t have much from the last three decades to show for it. And please don’t say zero-till — this is as bad of a buzzword as sustainability.

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Designing a Robotic Berry Picker

Video: Designing a Robotic Berry Picker


Since blackberries must be harvested by hand, the process is time-consuming and labor-intensive. To support a growing blackberry industry in Arkansas, food science associate professor Renee Threlfall is collaborating with mechanical engineering assistant professor Anthony Gunderman to develop a mechanical harvesting system. Most recently, the team designed a device to measure the force needed to pick a blackberry without damaging it. The data from this device will help inform the next stage of development and move the team closer to the goal of a fully autonomous robotic berry picker. The device was developed by Gunderman, with Yue Chen, a former U of A professor now at Georgia Tech, and Jeremy Collins, then a U of A undergraduate engineering student. To determine the force needed to pick blackberries without damage, the engineers worked with Threlfall and Andrea Myers, then a graduate student.