PRODUCTIVITY OF LIVING STONE POTATO (Plectranthus esculentus L.) AS INFLUENCED BY ROW SPACING AND NUTRIENT SOURCES IN BILLIRI, GOMBE STATE, NIGERIA. FJS [Internet]. 2023 Apr. 4 [cited 2025 Sep. 12];3(2):39-51. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1479