UPPAL S, CHAWLA V, SINGH VP, DHINDSA KS. GENETIC VARIABILITY FOR NITROGEN UPTAKE IN WHEAT. IJGPB [Internet]. 1991 Nov. 25 [cited 2026 Mar. 21];51(04):414-9. Available from: https://www.isgpb.org/journal/index.php/IJGPB/article/view/3012