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Hydroponic experiments were conducted to investigate the influence of chromium (Cr) exposure on assimilation of 15N-labeled nitrate in rice (Oryza sativa L. cv. XZX 45) seedlings. Results showed that exposure of young seedlings to both Cr compounds led to a linear decrease in relative growth rate, nitrate reductase (NR) activity and tissue 15N accumulation though responses differed between the two...
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