Tomatoes respond to simple drip irrigation schedule and moderate nitrogen inputs

Scheduling drip irrigation of fresh market tomatoes according to CIMIS ETo data and plant canopy development has proved simple and efficient. Using an easy calculation, maximum yields were produced in both a mild coastal climate and the San Joaquin Valley. In similar trials, researchers confirmed that drip-irrigated tomato crops need only modest levels of nitrogen fustigation and successfully tested a new, portable device that will enable growers to measure petiole nitrogen without leaving the farm.