Etude de quelques paramètres de croissance et biochimiques de l’olivier (Olea europaea L.) fertilisé par une boue d’épuration

Mohamed  Zouari

doi:10.56027/JOASD.042021

Authors

Mohamed Zouari

DOI:

https://doi.org/10.56027/JOASD.042021

Keywords:

Olive tree, sewage sludge, growth, loss of electrolytes, polyphenols

Abstract

The present study shows an interesting effect of soil enrichment with 5% sewage sludge on the behavior of young olive trees. In fact, a significant improvement in the length of the main stem is observed. By providing nutrients, the sewage sludge (5%) also increased the leaf nitrogen content. However, doses of 10 and 15% increase stress indicators in terms of malondialdehyde content and loss of electrolytes, which could be explained by the important level of salts and organic pollutants in sewage sludge.

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