| nutrient availability moderates transpiration in ehrharta calycina. | transpiration-driven 'mass-flow' of soil-water can increase nutrient flow to the root surface. here it was investigated whether transpiration could be partially regulated by nutrient status. seeds of ehrharta calycina from nine sites across a rainfall gradient were supplied with slow-release fertilizer dibbled into the sand surrounding the roots and directly available through interception, mass-flow and diffusion (dubbed 'interception'), or sequestered behind a 40-microm mesh and not directly ac ... | 2008 | 18537891 |