Literaturrecherche

Literatur Flaig W (1975) Specific effects or soil organic matter on the potential of soil productivity : 1, Biochemistry of soil organic matter. FAO Soils Bull 27:31-81

Literatur Salfeld J-C, Söchtig H (1975) Proposals for the characterization of soil organic matter as an approach to understands in dynamics. FAO Soils Bull 27:71-81

Literatur Wennrich G (1975) Untersuchungen über die Bewegungsaktivität von Haushennen (Gallus domesticus). Arch Geflugelkd 39(4):113-121

Literatur Wennrich G (1975) Beziehungen zwischen Ranghöhe, Federpickaktivität und Agressivität von Haushennen (Gallus domesticus). Arch Geflugelkd 39(5):167-171

Literatur Biller RH, Peres G, Steinkampf H (1975) Zur Auswertung dynamischer Belastungsverläufe. Grundl Landtechn Verfahren Konstr Wirtsch 25(2):59-63

Literatur Grabbe K, Thaer R, Ahlers R (1975) Investigations on the procedure and the turn-over of organic matter by hot fermentation of liquid cattle manure. ASAE Publication Proc-275:506-509

Literatur Tietjen C (1975) Influence of antibiotics and growth promoting feed additives on the manuring effect of animal excrements with oats. ASAE Publication Proc-275:328-330

Literatur Flachowsky G, Löhnert HJ, Hennig A (1975) Studies on the use of solid substances of pig waste (slurry) in the feeding of fattening cattle. ASAE Publication Proc-275: 625

Literatur Ellendorff F, Parvizi N, Pomerantz DK, Hartjen A, König A, Smidt D, Elsaesser F (1975) Plasma luteinizing hormone and testosterone in the adult male pig : 24 hour fluctuations and the effect of copulation. J Endocrinol 67:403-441

Literatur Bremen L von (1975) Weltmärkte für Landmaschinen im Aufschwung. Agrarwirtschaft 24(2):52-54