Crescimento inicial de mudas de mamão irrigadas com água cinza e adubadas com esterco bovino.

Abstract

The use of more sustainable alternatives for agriculture generally leads to more productive and responsible production. The use of wastewater and organic fertilization are practices that make these results possible, as long as planning and control of management practices are carried out. Given the above, the present study aimed to evaluate the effect of public laundry wastewater and different proportions of bovine manure on the production of papaya seedlings. The experiment was carried out on a rural property, in the District of Ribeira, in Cabaceiras- PB, using the fruit Papaya Formosa as a cultivar, and as substrate the Eutrophic Red Argisol. The experimental design used was the DIC, with four proportions of bovine manure (20; 40, 60, 80%), two irrigation waters (supply water (AA), and wastewater (AR)), and three replications. The variables analyzed were: Number of leaves (NF), Stem diameter (DC), Plant height (AP), Leaf area (AF), Root length (CR), Total fresh matter (MFT), and Total dry matter (MST). With the results obtained, it was possible to observe that the higher doses of bovine manure, give better results of NF, DC, AP and CR, and that the high concentration of sodium present in the wastewater negatively affected the development of the culture. However, the higher doses of bovine manure, alleviated the effect of salinity on the variables NF, DC and CR.