Literaturrecherche

Literatur Stephan BR (1973) Untersuchungen zur Variabilität von Lophodermium pinastri : I. Kulturvarianten. Eur J Forest Pathol 3(1):6-12

Literatur Stephan BR (1973) Über die Anfälligkeit und Resistenz von Douglasien-Herkünften gegenüber Rhabdocline pseudotsudae. Silvae Genetica 22(5-6):149-153

Literatur Stephan BR (1973) Cytologische Untersuchungen zur Ascusentwicklung und Sporenkeimung bei Rhabdocline pseudotsugae. Phytopathol Z 78:336-343

Literatur Flaig W (1973) Introduction to some fields of soil organic matter studies in relation to soil productivity. 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 1-33

Literatur Flaig W (1973) Formation of humic substances from plant residues. 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 34-70

Literatur Flaig W (1973) Slow releasing nitrogen fertilizer from lignosulfonates of pulp and paper industries - (N-lignin)-production and its effect on plant growth due to production conditions. 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 71-94

Literatur Flaig W (1973) N-lignin as nitrogen fertilizer and its special effects. 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 95-125

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