Holopainen, Päivi; Airaksinen, Sanna; Heinonen-Tanski, Helvi and Heiskanen, Minna-Liisa (2004) Yields and quality of some vegetables and strawberries fertilized with composted horse or cattle manure. "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.