Tilth Labs, Davis, California
Soil sensors that tell you when to water, and when not to
Tilth Probes read soil moisture at three depths every 15 minutes. Growers in our pilot used 22% less water with the same yields.
01
Push in a probe
One probe covers about 10 acres. No tools, no wiring, and the battery lasts 3 seasons.
02
Read the soil
Moisture, temperature and salinity at 6, 18 and 30 inches, sent every 15 minutes by long-range radio.
03
Water on time
A text at 6 am tells you which blocks need water today and for how long.
40 farms
in Yolo, Fresno and Kern counties
22%
less water on average, with the same yields
3 seasons
of battery life in every probe
Pilot program
Free probes for your next season
We are adding 25 farms for the coming season. You get 10 probes and a gateway at no cost, and we ask for 20 minutes of feedback twice a month.
Who it is for
- Row crops, orchards or vineyards
- At least 40 irrigated acres
- Drip or micro-sprinkler irrigation
- In the Central Valley of California
"We cut two irrigation sets in July and the almonds never noticed."
Ray Medina, almond grower, Fresno County
"The 6 am text is the only dashboard I need. I read it before my coffee."
Lisa Nakamura, tomato grower, Yolo County
Backed by
Tilth Labs raised a $4.2 million seed round from Redwood Row Ventures, Central Valley Angels and growers from 6 farming families.