G. Hartmann

Abiotic and biotic factors and their interactions as causes of oak decline in Central Europe

F. Thomas, R. Blank, G. Hartmann, 2002 .

Tree rooting patterns and soil water relations of healthy and damaged stands of mature oak (Quercus robur L. and Quercus petraea [Matt.] Liebl.)

F. Thomas, G. Hartmann, Frank M. Thomas, 2004, Plant and Soil.

Recent outbreak of oak decline in Lower Saxony - causes and prevention.

R. Blank, G. Hartmann, 1998 .

Leaf chlorosis in pedunculate oaks (Quercus robur L.) on calcareous soils resulting from lime-induced manganese/iron-deficiency : Soil conditions and physiological reactions

F. Thomas, G. Hartmann, T. Brandt, 1998 .

Water relations, temperature, and growth of wheat grown with magnets

M. Kirkham, G. Hartmann, 1982, Radiation and environmental biophysics.

Report on forest health in northwest Germany 1996-97

M. Habermann, G. Hartmann, 1997 .

Report on the forest protection situation in Lower Saxony and Schleswig-Holstein, North-West Germany, 1999/2000.

M. Habermann, G. Hartmann, H. Niemeyer, 2000 .