Evapotranspiration management in agricultural irrigation
Most farmers I talk to irrigate on gut feeling. They walk the field, squeeze a handful of soil, look at the sky, and decide. It works until it doesn’t. A hot week you didn’t catch, a rain that came after…
Here’s something that bugs me every time I walk past a farm at 6 a.m. and hear sprinklers running: most of those systems are running blind. Timers. Same duration, same interval, every day, regardless of whether it rained three hours…
Most farmers I talk to worry about how to irrigate: drip tape vs. sprinklers, pump sizing, filtration. Almost nobody asks the question that matters more: when should you actually turn the water on? That’s a mistake. A perfectly designed drip…
A farmer in northern Kenya told me something last year that stuck. He’d installed drip irrigation across two hectares of tomatoes and was still running his pump 9 hours a day during the dry season. His neighbor, with the same…
