The present investigation was carried out in the city of Tarapoto, Province of San Martín, Department of San Martín, Region of San Martín, is located specifically in the party district high, in the eighth block of Jr. Leoncio Prado. The field phase lasted approximately four months, starting at the end of December 1994. The work consisted of packaging the Rio Grande variety tomatoes under four fertilization systems, using the completely randomized design with four Treatments and three replicates respectively. The results were analyzed by the "F" variance test at the 5% and 1% probability level and Duncan at 5% probability. The results of the present work showed that commercial solutions exceeded the control, but this does not rule out that in other zones and / or other varieties different test behaviors are obtained. With regard to cost / benefit, commercial solutions were not superior...