PREDICTION OF POST-HARVEST SOIL TEST VALUES ANDFERTILISER CALIBRATIONS FOR MAIZE UNDER INTEGRATEDPLANT NUTRITION SYSTEM ON ALFISOL. IJARR [Internet]. 2016 Jun. 12 [cited 2026 Jun. 28];1(6):146-55. Available from: https://www.ijarr.org/index.php/ijarr/article/view/484