Direct evidence on participation of root hairs in phosphorus (32P .
We measured uptake of phosphorus from soil directly via root hairs. . through a tightly stretched nylon screen (53 µm) glued to the bottom of a PVC tube. . by measuring activity of 32P in the plant shoot (32P uptake only via root hairs). . ion selective, vibrating microelectrode system for the quantification of K+, H+ and Ca2+.Live Chat