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 Weißbach F, Hein E (1973) Nitrogen fertilizer application and conservability of grass. Zeszyty Problemowe Postepow Nauk Rolniczych(150):171-180

Literatur Fasterding F (1973) Fremdenverkehrsförderung als Maßnahme zur Verbesserung der Einkommenslage der Landwirtschaft. Neues Arch Niedersachsen 22(1):31-42

Literatur Domsch KH (1973) How do losses in nodulation compare with reduction in healthy seedlings from an economical aspect? Acta Agron Akad Sci Hung 22:460

Literatur Vogt H (1973) Geflügelkot als Viehfutter. Umschau Wiss Techn 73:482

Literatur Batel W (1973) Der Elektroentstauber : Entwicklungsstand und -tendenzen. Staub Reinhalt Luft 33(3):133-139