Dissolved Oxygen in Irrigation Water for Greenhouse helps to keep the irrigation lines clean, prevent biofilm and helps keep the crop from going into a hypoxic state.
Dissolved Oxygen important for crop growth.
Several reasons can be the cause of low dissolved oxygen in your irrigation water
Well water from deep aquifers can be low in DO
Heat Pasteurization can cause extreme low DO
An abundance of organic load with BOD
High Temperature of water especially during the summer.