Afhandling ved University of Natural Resources and Applied Life Sciences, Vienna, Institute for Horticulture, Fruit and Viticulture
I 2004 præsenterede Dr. Heidrun Schinagl fra "University of Natural Resources and Applied Life Sciences i Vienna, Institute for Horticulture, Fruit and Viticulture" hendes afhandling om "Investigations of the influence of plant-strengthening agents on the growth, yield and quality of horticultural crops."
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