ONTARIO, Ore. — As Oregon State University researcher Udayakumar Sekaran sees it, soil-moisture sensors help farmers irrigate more efficiently but are limited by the wires to which they are attached.

Ali Abedi (center) and the wireless soil moisture sensor with graduate student Kenneth Bundy (left) and local high school teacher Ed Lindsey (right). Monitoring soil moisture is an important component ...

With almost 8 billion souls to feed and a changing climate to deal with, there’s never been a better time to field a meaningful “Internet of Agriculture.” But the expansive fields that make industrial ...

Recently, I got a Chirp! plant-watering alarm for evaluation from wemakethings. Chirp, designed to be run on a 3-V CR2032 lithium coin cell, is an electronic plant-watering alarm. You put it into the ...

Soil moisture sensors are cheap and easy to interface with, to the point that combining one with an Arduino and blinking an LED when your potted plant is feeling a bit parched is a common beginners ...