The present investigation work had the following objectives: To evaluate and to know the productive behavior of 6 experimental lines of soya (Glycine max (L.) Merril), classified in group of Precocious maturation, to select the line or more productive lines for the ecological conditions of the Huallaga Central, for their liberation like commercial variety and to make the economic analysis of the new variety. This investigation was carried out in the I am founded of the Private Company San Fernando CORP., located in the Sector Huinge that is located to 1 km to the south, left margin of the highway Fernando Belaúnde Terry. One worked with 6 lines of precocious maturation (denominated 643; 651; 706; 798; 799; and 803), to which was applied the design of blocks totally at random, having 7 treatments with three repetitions including the witness: V - 16. The lines are coming from the Brazil a...