Tobing, Oktavianus Lumban

• Vol 3, No 2 (2017) - Articles
  FERTILIZER GIVING EFFECT OF BIOLOGICAL AND CALCIUM ON THE GROWTH AND PRODUCTION PLANT BEAN (Phaseolus vulgaris L.)
  Abstract  PDF
• Vol 5, No 2 (2019) - Articles
  OPTIMALISASI PERTUMBUHAN DAN HASIL EDAMAME (Glycine max L. Merril) MELALUI PEMBERIAN PUPUK NITROGEN DAN EKSTRAK TAUGE KACANG HIJAU
  Abstract  PDF