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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 58 / No.2 / 2019

Pages : 267-272

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RESEARCH REGARDING THE NITROGEN COMPOUNDS DISTRIBUTION IN A LAB-SCALE EXPERIMENTAL CATCHMENT

CERCETĂRI PRIVIND DISTRIBUȚIA COMPUȘILOR AZOTULUI ÎNTR-UN BAZIN EXPERIMENTAL

DOI : https://doi.org/10.35633/inmateh-58-29

Authors

C. Boncescu

University Polytehnic Bucharest, Faculty of Power Engineering, Department of Hydraulics, Hydraulic Machinery and Environmental Engineering

(*) M.A. Diminescu

University Polytehnic Bucharest, Faculty of Power Engineering, Department of Hydraulics, Hydraulic Machinery and Environmental Engineering

L.I. Vută

University Polytehnic Bucharest, Faculty of Power Engineering, Department of Hydraulics, Hydraulic Machinery and Environmental Engineering

G.E. Dumitran

University Polytehnic Bucharest, Faculty of Power Engineering, Department of Hydraulics, Hydraulic Machinery and Environmental Engineering

V. Stefan

National Institute of Research - Development for Machines and Installations Designed to Agriculture and Food Industry - INMA Bucharest / Romania

(*) Corresponding authors:

[email protected] |

M.A. Diminescu

Abstract

The purpose of this paper is to identify the effects of applying fertilizer on water quality in a drainage basin. A lab-scale experimental catchment was set up. Then a nitrogen-base fertilizer was applied, followed by assessment of nitrates and nitrites concentrations in soil and groundwater. The values recorded for the nitrates and nitrites are far higher than the maximum allowable values of these compounds in the drinking water. In this context, the water quality problem is quite serious, the values of nitrates and nitrites being exceeded 8.4 times and 11.5 time respectively.

Abstract in Romanian, Moldavian, Moldovan

Scopul acestei lucrări este de a identifica efectele aplicării îngrășămintelor asupra calității apei într-un bazin hidrografic. A fost creată o instalație experimentală la scară de laborator. Apoi a fost aplicat succesiv un îngrășământ bazat pe azot, urmat de evaluarea concentrațiilor de nitrați și nitriți în sol și apa subterană. Valorile înregistrate pentru nitrați și nitriți sunt mult mai mari decât valorile maxime ale acestor compuși în apa potabilă. În acest context, problema calității apei este destul de serioasă, valorile nitraților și nitriților fiind depășite de 8,4 ori, respectiv 11,5 ori.

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