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
Stephan BR (1973) Über die Anfälligkeit und Resistenz von Douglasien-Herkünften gegenüber Rhabdocline pseudotsudae. Silvae Genetica 22(5-6):149-153
Cytologische Untersuchungen zur Ascusentwicklung und Sporenkeimung bei Rhabdocline pseudotsugae
Literatur
Stephan BR (1973) Cytologische Untersuchungen zur Ascusentwicklung und Sporenkeimung bei Rhabdocline pseudotsugae. Phytopathol Z 78:336-343