Effect of soil amended cadmium (CdCl2; 0, 25, 50 or 100 mg Kg−1 of soil) induced changes in the (A) root length, (B) shoot length, (C) root fresh mass, (D) root dry mass, (E) shoot fresh mass, (F) shoot dry mass, (G) leaf area, (H) NR activity of Varuna and RH-30 varieties of Brassica juncea L. plants at 30 and 60 DAS.