PROBLEM TO BE SOLVED: To provide a spraying device of a rice transplanter, which enables an operator to easily change the installation position of its dusting powder hopper, allows the reduction of the hopper volume according to the number of the installed hoppers, does not need branching of the delivery part of the dusting powder hopper, and provides an operator with improved workability and safety.SOLUTION: The spraying device of a rice transplanter including a frame 53 mounted on a seedling tray 31 on the backside thereof with the seedling tray 31 detachably attached to the rear part of the rice transplanter, a dusting powder hopper 54 fixed to the frame 53, hoses 56aa, 56ba each attached to the dusting powder hopper 54 via corresponding delivery members 55a, 55b, for every row of seedling mats disposed on the lower part of the seedling tray 31, and nozzles 56ab, 56bb each attached to the tip of the corresponding hoses 56aa, 56ba, to spray a chemical agent present in the dusting powder hopper 54 through the nozzles 56ab, 56bb onto the bed soil of the seedling mat disposed on the seedling tray 31, is characterized in that a plurality of dusting powder hoppers 54 are provided in a manner of enabling each of the dusting powder hoppers 54 to apply the chemical agent onto two rows of the seedling mats disposed on the seedling tray 31, and the upper end of the dusting powder hopper 54 is disposed at a position lower than one half of the height of the seedling tray 31.COPYRIGHT: (C)2011,JPO&INPIT【課題】散布物ホッパーの設置位置変更や、設置数に伴う減容化と繰出部の分岐を防止し、作業性および安全性を向上させた田植機の散布装置を提供する。【解決手段】後部に苗載台31を着脱可能に装着し、苗載台31の後方であって、苗載台31に架設したフレーム53と、フレーム53に固定した散布物ホッパー54と、散布物ホッパー54に繰出部55を介して苗載台31下部の各条ごとに設けたホース56aa,56baと、ホース56aa,56baの先端に取付けたノズル56ab,56bbとからなり、苗載台31上の苗マットの床土上に散布物ホッパー54の薬剤をノズル56ab,56bbを介して散布し、散布物ホッパー54は、苗載台31の苗マットの2条分を1の散布物ホッパー54で施薬できるように複数配設するとともに、散布物ホッパー54の上端部は、苗載台31の高さの半分よりも低い位置に設置した。【選択図】図3
