[1]
A. S. NAIN, V. K. DADHWAL and T. P. SINGH 2003. Analysis of spatial and temporal wheat yield variability in Punjab and Haryana and identification of coherent yield zones. Journal of Agrometeorology. 5, 1 (Jun. 2003), 25–34. DOI:https://doi.org/10.54386/jam.v5i1.491.