Comparison of Major and Trace Element Concentrations in Danish Greenhouse Tomatoes (Lycopersicon esculentum Cv. Aromata F1) Cultivated in Different Substrates
2001
The concentration of major and trace elements was determined for tomato (Lycopersicon esculentum cv. Aromata F1) fruits grown in three different substrate systems. The systems were soil and rockwool irrigated with a normal nutrient solution and rockwool irrigated with a nutrient solution with elevated electrical conductivity (EC). At three harvest times, tomato fruits were analyzed for Ca, Cu, Fe, K, Mg, Mn, Na, P, S, Sr, and Zn by ICP-AES and for Cd, Cr, Mo, Ni, Pb, Sn, and V by HR-ICPMS. The concentrations of Ca, Cd, Fe, Mn, Mo, Na, Ni, Sr, and Zn were significantly different (p 15 times higher and the concentration of Ca was 50−115% higher in soil-grown fruits than in rockwool-grown fruits. Principal component analysis applied on each harvest split the data into two groups. One group includes...
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