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Chemical and Biological Technologies in Agriculture
Fig. 5 | Chemical and Biological Technologies in Agriculture

Fig. 5

From: Improved iron use efficiency in tomato using organically coated iron oxide nanoparticles as efficient bioavailable Fe sources

Fig. 5

Comparison of the dry weight of the tomato plants grown in soil containing bulk vs. nanofertilizer including (a) bulk FeSO4 and Fe3O4 NPs, (b) iron citrate vs. Fe3O4@CA NPs (c), iron humate vs. Fe3O4@HA NPs, and (d) Fe-EDTA vs. Fe3O4@EDTA NPs. The standard error is indicated by the error bars (n = 3). Different letters indicate differences between treatments (p < 0.05). The concentration of iron fertilizers has been reported based on mg of Fe per Kg of soil

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