Évaluation des teneurs en éléments traces métalliques dans les légumes feuilles vendus dans les différents marchés de la zone minière de Lubumbashi

Abstract

Évaluation des éléments traces métalliques dans les légumes feuilles vendus dans les marchés de la zone minière de Lubumbashi.

State of the Environment and Its Impacts on the Urban Agriculture of Edible Plants in the City of Lubumbashi

“…In addition, the amaranths are loaded with iron [30] and zinc, of which the measured concentration surpasses the T.D.C. [11]. This should prompt consumers to be more cautious given the toxicity of metals found in the amaranths and especially the presence of lead [11].…”

“…[11]. This should prompt consumers to be more cautious given the toxicity of metals found in the amaranths and especially the presence of lead [11]. The ingestion of lead may result in poisoning, given that it can build up in the bones and other human body tissues [53].…”

“…The ingestion of lead may result in poisoning, given that it can build up in the bones and other human body tissues [53]. As highlighted by many researches, the presence of the toxic metal affects the quality of amaranths, with the consumers' health endangering [11,40].…”

“…The declining prices of primary commodities caused this social malaise during the 80s. Therefore, the people endured low wages or salaries policy and unemployment, aside from other problems in relationship with rapid population growth and ceaseless wars that together aggravated poverty in the country [2,4,11]. For other researchers, urban agriculture can be an opportunity to create new employment, strengthen social bonds, build resilience to climate change, rendering cities greener, and protect their biodiversity [1,10,[12][13][14].…”

“…Given the easy access to water and arable lands, aside from benefits related to the informal sector paying activities [1,13,14,20], the urban agriculture's practice can be viewed in the Haut-Katanga region as a true godsend for the people living in urban centres [4,21]. However, according to [22], not all people perceive urban agriculture as a godsend; that is, it can benefit a city and its dwellers [2][3][4][5][6][7][8][9][11][12][13][14]. Instead, some people consider it harmful to farmers, consumers, the environment, and the urban land economy.…”