Metals interact with nutrients in plants grown on spent engine oil (SEO) soils; thus, relationship of metals and nutrients in several morphological parts of economical plants cultivated on SEO soils using a 3 × 4 factorial and a totally randomized design is documented. The polluted-vegetated soils were SEO treated at 0, 2, 4, 8% v/w and planted and separately. Before treatment, SEO tested positive for Cd, Zn, Pb, Cr, Cu, Fe and Ni, while at treatment, non-vegetated soils accumulated Pb, Cu, Zn, Ni, Fe.
View Article and Find Full Text PDFTomato varieties (Solanum lycopersicum L) produced in areas prominent for mining activities contribute more deposits of metal contaminants. In turn, affects the quality and value of the products. Highlighting the level of metal contaminant in consumer's most preferred tomato variety is also necessary for health and well-being.
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