#$%^&*AU2016247058A120170504.pdf#####Abstract A tyre inflation system for an agricultural seeding machine is disclosed. The agricultural machine includes a jump arm supporting at least one press wheel. The tyre inflation system comprises an air delivery path arranged to be in air flow communication with a cavity of a tyre of a press wheel, and an air flow controller operable to cause a delivery of air through the air delivery path to adjust an inflation pressure of the tyre in situ during use of the agricultural machine. A planter assembly including a tyre inflation system and a tyre for use with the tyre inflation system are also disclosed.1/9 C"] CC) C"CD cco CC"] &7~ ?~// ,4// IjM 7-C) 0C ~ At 4 * V CC) CC)o C] ~； 44*~">；.........t
