Abstract: A method and apparatus for sowing seeds using compressed-air pulses is provided. The apparatus includes a seed supply, a compressed-air duct extending to a sowing site, a compressed-air pulse producer for sending compressed-air pulses through the duct, and a seed dispenser communicating with the seed supply and the duct. The seed dispenser includes a reciprocating piston having an adjustable seed amount metering space for receiving a quantity of seeds from the seed supply. The piston is also biased toward the duct and has a depressible portion communicating with the duct.