Pat Differs background in soil and plant chemistry has seen him active across Canada, into the USA and across Europe doing seminars on plant and soil management going back to the introduction of biostimulants to the golf world in general in the late 80’s. Tissue analysis using them Karsten NIR spectrometer was innovation in the making back them and now, the same can be said with the Maredo equipment which is a game changer saving time and money for users.