The water sensors developed by Israel’s Treetoscope (see here previously) can reduce water consumption in agriculture by to 40 percent. Overwatering can also flush fertilizer before it has finished benefiting the crop. Treetoscope is working with water industry leaders including Israel’s Netafim.
https://nocamels.com/2024/03/simple-sensor-for-what-plants-drink-helps-preserve-precious-water/