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Jahr: 1979
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Es wurden 723 Ergebnisse in 4 Millisekunden gefunden.
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Survey of the incidence of calving problems, calf mortality, and their economic importance : dairy and dual-purpose cattle
Manuelle Datenaufnahme aus Tiergruppen
Ethologische Reaktionen von Kälbern auf Rohfasermangel bei Haltung auf Lattenrosten
Anonymes Registrierverfahren
Automatische Einzeltierregistrierung sowie Datenaufnahme aus Tiergruppen mittels Videoband mit Potentialgriffel
The Institute of Crop Science and Seed Research and its dedication to the preservation of plant genetically valuable material for plant breeding
Efficiency of solarcollectors of different design and their application for drying of agricultural products : Proceedings 9th international congress of agricultural engineering of the CIGR
Mechanization of irrigated crop production in arid and semiarid regions : Proceedings 9th international congress of agricultural engineering of the CIGR
New systems for the land application of manure : Proceedings 9th international congress of agricultural engineering of the CIGR
Heat recovery by heat pumps especially from biogenic oxidation processes : Proceedings 9th international congress of agricultural engineering of the CIGR
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