DRIP TRANSMITTER FOR DRIP IRRIGATION SYSTEM AND PIPE OR TAPE FOR SUPPLY LINE OF SUCH A SYSTEM

摘要

The whole or a portion of a drip irrigation system comprising supply piping and drip emitters is formed of polyethylene impregnated with a 2,6-dinitroaniline herbicide to prevent root growth into the irrigation system. An integral bead extending longitudinally within the piping or the baffles 28 of drip emitters 10, Figures 1 and 2, may be of the impregnated polyethylene. IMAGE