How Auto Weeders and Thinners Work [Photo Essay]

How Auto Weeders and Thinners Work [Photo Essay]

Sometimes all the words in the world can’t explain how equipment works as well as photos. Take a look at these before and after field images, showing how an auto weeder and an auto thinner does its job.

How Auto Thinners Work

Robovator-Automated-weeding-machine-auto-Weeder

The Robovator Automated Weeding Machine uses cameras to identify weeds. Photo by Bart Walker.

Robovator-automated-weeding-maching-close-up

Hoe-like blades cultivate all around the crop, removing weeds, but leaving the crop intact. Photo by Bart Walker.

Advertisement
Field-after-auto-weeder-cultivator-runs-through

Compare the cultivated bed on the left to the one that has not yet been touched. Photo by Bart Walker.

tractor-pulling-auto-thinner

Auto thinners use cameras and software to identify which seedlings to keep, and sprays a hotshot of fertilizer (used here) or pesticide to kill the undesired seedlings. Photo by Carol Miller.

seedling-line-of-lettuce-before-thinning-close-up

Lettuce seedlings are within a half inch of each other prior to using the auto thinner. Photo by Carol Miller.

lettuce-seedlings-just-after-spraying-wet-soil

Auto thinners can use either an herbicide or a hotshot of fertilizer to kill the unwanted seedlings. In this case, the grower used a hotshot — the damp patches show where its been applied. Photo by Carol Miller.

lettuce-seedling-after-thinning-machine

With in days, the treated seedlings die, several inches between each healthy lettuce seedling. Photo by Carol Miller.