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Minor Element Stains on Concrete

12/16/2013 - By Dr. Raymond Snyder

Ever wondered what sort of stain a particular minor element would leave on concrete? In this video, we examine which minor elements oxidize, and explain what that means to your fertility program.

Elemento Menor de Manchas en Concreto

¿Ha pensado alguna vez que tipo de mancha en particular dejaría un elemento menor en su concreto?  En este video examinaremos cual elemento menor oxidar, y explicar que significa esto para su programa de fertilización. 

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