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The objective of this study is to evaluate the effect of sewage sludge on the yield and biomass of tomatoes. The complete randomization block device consists of three treatments with nine repetitions in a plastic greenhouse intended for the cultivation of tomatoes: C: the control soil; S+S: soil spread with sludge; S+F: soil with mineral fertilization. The results obtained show a very significant correlation between the level of organic amendment and productivity: the best performances are obtained with the treatment of soil and sewage sludge. The evaluation of the hygienic quality revealed the absence of pathogenic germs and bacterial in the tomatoes harvested from the soil treated with sewage sludge.
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Douaer et al. (2024) studied this question.
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