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 Anderson JPE, Domsch KH (1973) Quantification of bacterial and fungal contributions to soil respiration. Arch Microbiol 93(2):113-127

Literatur Seidewitz L (1973) The German gene bank documentation system and its relation to international systems. In: European and regional gene banks : proceedings of a conference on European and regional gene banks, Izmir, Turkey, 10-15 April 1972. Wageningen: EUCARPIA, pp 45-47

Literatur Witt M, Schröder J, Andreae U (1973) Einfluß des Absatzalters der Ferkel von 4 und 8 Wochen auf ihre Entwicklung und Mastfähigkeit sowie auf die Aufzuchtleistung der Sauen. SchrR Max Planck Inst Tierzucht Tiernähr 62:21-40

Literatur Neander E (1973) Organisationsformen für die Nutzung von Grenzstandorten. Schr Gesellsch Wirtsch Sozialwiss Landbaues 10:295-310

Literatur Buchholz HE (1973) Pricing and allocations models applied to problems of interregional trade and location of industries. In: Judge GG, Takayama T (eds) Studies in economic planning over space and time. Amsterdam; London: North Holland, pp 298-306