Abubakar , Muhammad Auwal, N O Nweze, Halimat Olajumoke Oseni, and Adenomom Monday Osagie. 2025. “GRAECO-LATIN SQUARE DESIGN ON THE OPTIMIZATION OF CROP NUTRIENT BY APPLICATION OF FERTILIZER TO THE SOIL”. Economics and Statistics Research Journal (ESRJ) 16 (6):97-107. https://doi.org/10.5281/zenodo.15849440.