A. S. NAIN, V. K. DADHWAL, T. P. SINGH. Analysis of spatial and temporal wheat yield variability in Punjab and Haryana and identification of coherent yield zones. J. Agrometeorol. [Internet]. 2003 Jun. 1 [cited 2024 Nov. 21];5(1):25-34. Available from: https://journal.agrimetassociation.org/index.php/jam/article/view/491