The aluminium (Al) tolerance of white clover (Trifolium repens L.) lin
es that had either long or short root hair lengths were evaluated in l
ow ionic strength (2.7 x 10(-3) M) solution culture. Absolute yield of
the long root hair length plants was greater than the short root hair
length plants at all Al rates by, on average, 34%. However, increasin
g root hair length had no significant (P<0.05) effect on relative Al t
olerance.