A mechanical rootwasher

Abstract

A mechanical rootwasher which employs soft spraying, rotation and rinsing of the soil cores in screen canisters is described. The instrument was developed and built at the University of Colorado, Fort Collins, United States of America and subjected to numerous test trials. This technique compared favourably with the hand wash technique since it is roughly 50% faster and 30% more effective.

Keywords: mechanical rootwashers (ill)|spraying|rinsing|Colorado|Fort Collins|technique comparisons|techniques|roots|soils|instruments|soil cores|washing wheels