S. Prima

Department of Soil Science, Faculty of Agriculture, Andalas University Limau Manis, Padang, West Sumatra, Indonesia

Article(s):

1. Vol. 8 (2018) No. 5
   The Role of Powder Sub-bituminous Coal with Sodium Hydroxide (NaOH) to Improve Chemical Properties of Ultisols
   Herviyanti Herviyanti, T.B. Prasetyo, Juniarti Juniarti, S. Prima, S. Wahyuni