... datalog-ger (Campbell Sci, UK), which also controlled thevalve switching. Sampling rate for all sensorswas 1 s, and averages were recorded every 20min. Overall resolution ... soil was still holdingplentiful water. In addition, Jarvis et al(197 5), discussing data gathered on Pinussylvestris at Thetford (a moderately humidoceanic climate), suggested ... state stomatal responses to envi-ronment. In: Water and Plant Life. Problems and Modem Approaches (OL Lange, L Kappen, EDSchulze, eds), Springer-Verlag, Berlin, 169-188Jarvis...