| 摘要 |
PROBLEM TO BE SOLVED: To carry out direct seeding by using a fertilizing delivery structure of a direct seeder utilizing a sulky rice transplanter equipped with a hopper for receiving grains in the rear and upper part of a traveling machine, the delivery structure for delivering the grains by a delivery roll from the lower end of the hopper and a blower for transporting the delivered grains backward by air. SOLUTION: This direct seeder is constituted by installing a ditching machine for seeding to a seedling planting device and delivering rice seeds received in a hopper 31 by a delivery mechanism 32 and transporting them by air, connecting to be communicating a feed hose for guiding the rice seeds with the ditching machine for seeding, closing a part of a grain inlet port in the delivery mechanism 32 with a covering body 51 to control the passage of rice seeds narrower than that of a fertilizer and installing a bridge-preventing material 55 vibrated by rotating a delivery roller R to the aforesaid passage. |
