Yazar
folkhard isermeyer
7 cilt bulundu.
Folkhard Isermeyer, Lothar Hövelmann · DLG-Verlag GmbH
173 sayfa · 2008
Water resources development / Congresses / Water quality management / Water-supply, Agricultural / Quality
Folkhard Isermeyer · Institut für Agrarökonomie der Universität Göttingen
167 sayfa · 1986
Dairying / Economic aspects / Economic aspects of Dairying
Folkhard Isermeyer · Ulmer Verlag
273 sayfa · 2003
Agriculture / Congresses / Environmental indicators
Folkhard Isermeyer · Wissenschaftsverlag Vauk Kiel
430 sayfa · 1988
Milk yield / Economic aspects / Dairy farming
Folkhard Isermeyer, Willi Schulz-Greve · Wissenschaftsverlag Vauk
324 sayfa · 1995
Agricultural systems
Hartwig de Haen, Folkhard Isermeyer · Vauk
266 sayfa · 1990
Agriculture / Congresses / Economic aspects