Literaturrecherche

Literatur Harms H (1977) Oxidation products of polycyclic aromatic hydrocarbons from cell suspension cultures of chenopodiaceae. In: International Peat Society (ed) International workshop on properties of organic peat components and their effect on metabolism, Braunschweig, 19.-23. September 1977 ; abstracts. Braunschweig: FAL, p 13

Literatur Salfeld J-C (1977) Principles of characterization of humic substances and their limitations. In: International Peat Society (ed) International workshop on properties of organic peat components and their effect on metabolism, Braunschweig, 19.-23. September 1977 ; abstracts. Braunschweig: FAL, p 35

Literatur Söchtig H (1977) Alterations of peat constituents by self-heating. In: International Peat Society (ed) International workshop on properties of organic peat components and their effect on metabolism, Braunschweig, 19.-23. September 1977 ; abstracts. Braunschweig: FAL, p 41

Literatur Baader W, Krause R (1977) Dünger und Abfälle in der Tierhaltung. In: Bardtke D, Baader W, Tietjen C, Strauch D (eds) Abfälle aus der Tierhaltung : Anfall, Umweltbelastung, Behandlung, Verwertung. Stuttgart: Ulmer

Literatur Andreae U, Pfleiderer U-E (1977) Über die Aussagefähigkeit von Brunstbeobachtungen am Rind. Tierzüchter 29(5):196-199

Literatur Peters W (1977) The impact of urban-industrial development on agricultural incomes and productivity in Finland. Land Econ 53(2):253-255

Literatur Haider K, Nagar BR, Saiz C, Meuzelaar HLC, Martin JP (1977) Studies on soil humic compounds, fungal melanins and model polymers by pyrolysis mass-spectrometry. Publ Div Sci Techn Inf IAEA 438:213-220

Literatur Allam SM (1977) Eiweiß aus Harnstoff. Umschau Wiss Techn 77(11):337

Literatur Sörgel F-P (1977) Neue Erkenntnisse der Beregnungstechnik. Mais 5(2):29-34

Literatur Gädeken D, Oslage HJ, Fliegel H (1977) Untersuchungen über den Energieaufwand für den Protein- und Fettansatz bei früh entwöhnten Ferkeln. Landwirtschaftl Forsch 30(1):76-85