1. AlexVojProc

    Hoagland solution as an alternative to EI dosing

    What is the Hoagland solution? The Hoagland solution is a nutrient solution developed in the 1930s-1950s. It was originally developed by Hoagland and Arnon for use in hydroponics, as detailed in their 1950 paper "The water-culture method for growing plants without soil". Since hydroponics is the...