Fertilization structure null of paddy field job

摘要

PURPOSE: To suppress fertilizer waste in the case of a fraction lane planting in a paddy field working machine when fertilizing a pasty fertilizer. ;CONSTITUTION: In a paddy field working machine so made up to be able to distributedly supply a fertilizer from each of plural fertilizer pumps 12, 12 to fertilizer supplying parts 14, 14 each for every 2 lanes from a fertilizer tank, where the pump can be driven mutually independently, a switching valve 29 capable of switching a state supplying the fertilizer to the supplying parts 14 to a state returning the fertilizer to the upstream of paths of the fertilizer pumps by cutting off the fertilizer supply is installed in a path of the fertilizer supplying parts 14, which lies at the outermost side of the machine body.;COPYRIGHT: (C)1995,JPO