Fig. 1. Effect of nitrogen deficiency on the growth of 190 North Korean rice seedlings. 31-day-old rice seedlings hydroponically grown in NN (a) and LN (b) conditions, respectively. Phenotypic comparisons were made between the NN and LN conditions. SPAD value (c); SL, shoot length (d); RL, root length (e); SFW, shoot fresh weight (f); RFW, root fresh weight (g); TN, tiller number (h). Duncan's test found significant differences in alphabetic letters (p<0.05). NN, normal nitrogen; low nitrogen, LN.
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