Agricultural machine comprising: a plurality of drilling units, each comprising (2): a support device (21) a seed measuring device (8) for distributing seeds to a perforated groove (9a) in the field (9 ) along which the agricultural machine (1) moves, in which each drilling unit (2) is mobilely connected to a structural member (3) of the agricultural machine and the seed measuring device (8 ) is fixedly connected to the support device (21) of the drilling unit (2), the seed measuring device (8) comprising: a seed measuring element (803) arranged in a cover (802), wherein the seed measuring element (803), by means of a drive device, is arranged to transport seeds to a seed measuring line (812), a seed chamber (882) (92), chamber ( 882) who is willing to receive a positive pressure proceed e of a pressure creating member (880) of the agricultural machine, in which the seed measuring element (803) constitutes a wall that limits the chamber (882) and has holes (804) or cavities, which connect the chamber (882) with the surroundings to develop a pressure difference and thereby fix and transport seeds in said holes / cavities (804) of the seed measuring element (803), characterized in that the seed measuring line (812) it has an inlet (814) in the chamber (882), in which an air flow is created outside the seed measuring device through the seed measuring line (812) by said positive pressure in the chamber (882 ) for transporting the seeds from the chamber (882) through the seed measurement line (812) to the perforated groove (9a), in which the seed measuring device has a dividing wall (810) configured to prevent loose seeds from being captured in the chamber through the entrance (814), in which a connection part (815) is provided that constitutes an integrated part of the cover (802) that connects the entrance (814) arranged in the chamber (882) with a seed line ( 816) connected to the connection part (815) outside the chamber (882).Máquina agrícola que comprende: una plur
