Production of italian zucchini in response to N and P fertilization

Abstract

The italian zucchini is a much-appreciated vegetable, besides being an economically viable alternative to the farmers. Nutrition with N and P is essential to produce vegetables, however, for the italian zucchini there are few scientific studies to guide fertilizing with these nutrients. The objective of this work was to evaluate the production of italian zucchini after N and P fertilization. The study was conducted in the agricultural area of the Irrigated Perimeter of Gorutuba, in the municipality of Nova Porteirinha-MG. A randomized block design with three replications was used. The treatments were arranged in a 5 × 4 factorial, using five doses of N (0, 50, 100, 150 and 200 kg ha-1) and four doses of P (0, 50, 100 e 150 kg ha-1 of P2O5), in the form of urea and monoammonium phosphate, respectively. NF was increased with N and P doses, and the combination of 150 kg ha-1 of P2O5 with 100 kg ha-1 of N was responsible for the highest number of fruits, with 17.52 fruits per plot. The combination of 100 kg ha-1 of N and 150 kg ha-1 of P2O5 resulted in the maximum PROD, corresponding to 10,834.67 kg ha-1. The elevation of P and N doses leads to an increase in the agronomic yield, without a marked change in the quality of the italian zucchini.