1. Begg JE, Turner NC (1970) Water potential gradients in field tobacco. Plant Physiol 46:343–346
2. Büntemeyer K, Lüthen H, Böttger M (1998) Auxin-induced changes in cell wall extensibility of maize roots. Planta 204:515–519
3. Campbell GS, Campbell MD (1982) Irrigation scheduling using soil moisture measurements: theory and practice. In: Hillel DJ (ed) Advances in irrigation, vol 1. Academic Press, New York, pp 25–42
4. Chalmers DJ, Mitchell PD, Vanheek L (1981) Control of peach tree growth and productivity by regulated water supply, tree density and summer pruning. J Am Soc Hortic Sci 106:307–312
5. Daudet F-A, Améglio T, Cochard H, Archilla O, Lacointe A (2005) Experimental analysis of the role of water and carbon in tree stem diameter variations. J Exp Bot 56:135–144