External studies on GRANDER^® include the most important study by B.A.U.M. on the effect of GRANDER^®

Select from the different types of research below:

• Diploma Thesis at the University of Graz
• Dissertation at the University of Natural Resources and Applied Life Sciences, Vienna, Institute for Horticulture, Fruit and Viticulture
• External study by B.A.U.M. confirms effect