UC Weed Science (weed control, management, ecology, and minutia)

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Figure 1. Overview of a Christmas tree planting where study was installed in the Winter of 2022.

Christmas tree weed control – developing new herbicides

September 9, 2022
By Gale Perez
Oregon leads the United States in the production of Christmas trees, with almost 8.5 million trees sold in 2015. Weed control is essential in Christmas trees to reduce competition for moisture and nutrients, allow fast and robust tree growth, and ensure growers top prices for high-quality trees.
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Autonomous weeding robot for agriculture

Low tech smart weeder

September 1, 2022
By Steven A Fennimore
Thanks to Steve Fennimore (UC Davis Cooperative Extension Weed Specialist) for sharing the following. "These inventors in India made a smart weeder with a smart phone. There is hope for low-cost smart weeders!" https://youtu.
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Weed Technology journal

Weed zapping

August 21, 2022
By Gale Perez
From the EurekAlert! website :: Cambridge University Press :: Aug. 1, 2022 Researchers from the University of Missouri recently conducted two field studies to explore the effectiveness of electricity in weed control.
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Photo 2. Central growing point of purslane burned by lasers in a high
density planting of spinach.

Advances continue in automated weeders

August 14, 2022
By Richard F Smith
There have been significant developments in automated weeder technology in the past several years. A quick perusal of automated weeders on YouTube reveals many machines developed in diverse parts of the world.
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