METHOD AND DEVICE FOR TAKING EARTHWORMS OUT OF THEIR ENVIRONMENT Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: method involves installation of metal pipes in vertical pits staggered in the biohumus mass in at least three rows. Every 3-5 min one row of pipes is taken from one place and put in another, and it is connected to a source of ultrasound and time-delay relay. Ultrasound is supplied to the pipes every 1-5 min. Flexible cloth of film is laid on the biohumus mass surface and later outside it, and the cloth or film is raised at regular time intervals to shake the worms into a box. A piece of flexible cloth is on the trench surface, and it is joined to the box vis a hole in its center. EFFECT: higher efficiency. 2 cl, 5 dwg