Thomas, Frank M.; Schafellner, Christa
Effects of excess nitrogen and drought on the foliar concentrations of allelochemicals in young oaks (Quercus robur L. and Q. petraea [Matt.] Liebl.)Journal of applied botany = Angewandte Botanik. Bd. 73. Berlin [u.a.]: Blackwell 1999 S. 222 - 227
Thomas, Frank M.; Ahlers, U.
Effects of excess nitrogen on frost hardiness and freezing injury of above-ground tissue in young oaks (Quercus petraeaandQ. robur)New Phytologist : international journal of plant science. Bd. 144. H. 1. Oxford: Wiley-Blackwell 1999 S. 73 - 83
Thomas, Frank M.; Brandt, T.; Hartmann, Günter
Leaf chlorosis in pedunculate oaks (Quercus robur L.) on calcareous soils resulting from lime-induced manganese/iron-deficiency: Soil conditions and physiological reactionsJournal of applied botany = Angewandte Botanik. Bd. 72. H. 1. Berlin [u.a.]: Blackwell 1998 S. 28 - 36
Thomas, Frank M.; Büttner, Gerhard
Nutrient relations in healthy and damaged stands of mature oaks on clayey soils: two case studies in northwestern GermanyForest Ecology and Management. Bd. 108. H. 3. Amsterdam [u.a.]: Elsevier BV 1998 S. 301 - 319
Thomas, Frank M.; Hartmann, Günter
Tree rooting patterns and soil water relations of healthy and damaged stands of mature oak (Quercus robur L. and Quercus petraea [Matt.] Liebl.)Plant and Soil : an international journal on plant-soil relationships. Bd. 203. H. 1. Dordrecht [u.a.]: Springer Science 1998 S. 145 - 158
Thomas, Frank M.; Büttner, Gerhard
Zusammenhänge zwischen Ernährungsstatus und Belaubungsgrad in Alteichenbeständen NordwestdeutschlandsForstwissenschaftliches Centralblatt. Bd. 117. H. 1. Berlin [u.a.]: Springer Nature 1998 S. 115 - 128
Thomas, Frank M.; Gehlen, Renate
Effects of different forms of nitrogen supply on the gas exchange of young pedunculate oaks (Quercus robur L.)Zeitschrift für Pflanzenernährung und Bodenkunde. Bd. 160. H. 2. Weinheim: Wiley-Blackwell 1997 S. 209 - 215
Thomas, Frank; Blank, R.; Hartmann, Günter
Der Einfluß von Stammexposition, Stickstoff-Status und Blattfraß auf die Frosthärte des Bastes von AlteichenVerhandlungen der Gesellschaft für Ökologie. Bd. 26. Berlin: Ges. für Ökologie 1996 S. 153 - 160
Thomas, Frank M.; Hartmann, Günter
Soil and tree water relations in mature oak stands of northern Germany differing in the degree of declineAnnales des Sciences Forestières = Annals of Forest Science. Bd. 53. H. 2-3. Wiesbaden: Springer Nature 1996 S. 697 - 720
Thomas, Frank M.; Blank, R.
The effect of excess nitrogen and of insect defoliation on the frost hardiness of bark tissue of adult oaksAnnales des Sciences Forestières = Annals of forest science. Bd. 53. H. 2-3. Les Ulis: EDP Sciences 1996 S. 395 - 406