Establishing and maintaining proper fertility management programs in a greenhouse is essential to successful growing of any crop. Most assume that fertility management begins with the soil media and the applied fertilizer. Fertility management begins with a correct analysis of the water quality.
It is necessary to understand the relationship between water quality and plant nutrition to establish a successful fertility program.
"The class of those who have the ability to think their own thoughts is separated by an unbridgeable gulf from the class of those who cannot"
Ludwig von Mises
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
Sir William Bragg