Sweet potato growth and yield as affected by application of inorganic fertilizer and biofertilizer - Mohammad Yusoff, Martini; N., Nur Liyana; Abd Halim, Mohd Ridzwan; Othman, Radziah; A. B., Nur Suhaili; Yusup, Iffatul Arifah; Y., Siti Salwa (Malaysian Society of Plant Physiology, 2015)