Fuente: WIPO "tobacco agriculture" The utility model discloses a portable pneumatic seeder with seed ration function, including seeding pole, seeding head and actuating lever, the seeding pole be hollow tubular structure, sets up seeding head at the lower extreme of sowing the pole, set up the piston of movable fit with it in the seeding pole, the piston is connected from the inner chamber that the upper end of sowing the pole penetrated the seeding pole downwards to the actuating lever, and the actuating lever drives the piston and reciprocate in the seeding pole, the last seeding hole that is provided with of seeding head, seeding head makes seeding hole press from both sides with the actuating lever movable fit and gets the seed seeding. The utility model discloses use easy and simple to handle, can the automatic separation seed in when seeding, during the traditional manual seeding of solution, the circumstances that seedling cave of every seeding needs carefully to get the seed in the container, otherwise usually lead to the fact the problems of a large amount of seed of 3~6 expenses in the every hole can result in sowing the time, seeding labour saving and time saving, the very big seeding efficiency that improves, the back of emerging in addition, every hole are 1~2 young plant basically, the tobacco seedling stalwartness, within a definite time, during final singling labor - and time -saving.