Literaturrecherche

Literatur Flaig W (1973) Biosynthesis of humic substances especially participation of nitrogenous compounds. In: Contributions of soil organic matter to production potential of soils and some proposals for practical application : [9 lectures delivered at Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, from 12. July to 18. September 1973]. Braunschweig: FAL, pp 126-171

Literatur Flaig W (1973) About the possible effect of fractions of humic substances on plant metabolism and yield. In: Contributions of soil organic matter to production potential of soils and some proposals for practical application : [9 lectures delivered at Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, from 12. July to 18. September 1973]. Braunschweig: FAL, pp 172-217

Literatur Flaig W (1973) Chemistry and some physical properties of fractions of soil organic matter. In: Contributions of soil organic matter to production potential of soils and some proposals for practical application : [9 lectures delivered at Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, from 12. July to 18. September 1973]. Braunschweig: FAL, pp 218-250

Literatur Flaig W (1973) Characterization of humic systems in different soils. In: Contributions of soil organic matter to production potential of soils and some proposals for practical application : [9 lectures delivered at Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, from 12. July to 18. September 1973]. Braunschweig: FAL, pp 251-276

Literatur Flaig W (1973) Modern aspects in humus research for plant production. In: Contributions of soil organic matter to production potential of soils and some proposals for practical application : [9 lectures delivered at Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, from 12. July to 18. September 1973]. Braunschweig: FAL, pp 277-312

Literatur Grunert E, Schulz LC, Esser J (1973) The effect of intrauterine injections of iodine solution on the duration of the oestrous cycle in cows. J Reprod Fertil 33(3):497-499

Literatur Piotrowski J, Hillendahl W, Gartung J (1973) Kostengünstige Baulösungen für die Milchviehhaltung. KTBL Schr 164:37-52

Literatur Jahns G, Walter K (1973) Ökonomische und technische Aspekte des Einsatzes fahrerloser Schlepper in landwirtschaftlichen Betrieben. Landbauforsch Völkenrode 23(1):57-70

Literatur Rohr K, Daenicke R, Schlünsen D (1973) Untersuchungen über den Einfluß der Fütterungsfrequenz auf die Pansenvorgänge, den Milchfettgehalt und die Futteraufnahme bei Milchkühen. Landbauforsch Völkenrode 23(2):133-139

Literatur Niehaus H (1973) Maßnahmen zur Verbesserung der Zucht- und Mastleistung bei Kaninchen. Dt Kleintierzüchter Ausg Kaninchen 82(1):4-6/H.2,S.12-13