1. Device for irrigation immersion in the same field crop, characterized in that it comprises an irrigation tube (2) in the water covers the roots of plants, and a pipe with droppers (3) for water and fertilizer , one per floor. 2. Device for immersion irrigation according to claim 1, wherein the tubes are preferably PVC irrigation device 3. immersion, according to previous claims, characterized in that the tube can be of various shapes such as semicircular, circular, rectangular and square , and may have a variable diameter between 90 and 200 mm. 4. Device for irrigation immersion, according to previous claims, characterized in that several irrigation tubes can be attached to a general pipe (8) shaping an irrigation system.