Lihat Juga

• The Properties of Humic Acids Extracted from Four Sources of Organic Matters and Their Ability to Bind Fe2+ at New Established Rice Field
  oleh: Herviyanti, Herviyanti; Department of Soil Science, Faculty of Agriculture, Andalas University Limau Manis, Padang 25163. Indonesia., et al.
  Terbitan: (2018)
• Application of Sub-bituminous Coal Activated with Urea to Improve Chemical Properties of Ultisols and Palm Oil's Growth (Elaeis Guineensis Jacq.) In Pulau Punjung, Dharmasraya
  oleh: Herviyanti, -; Department of Soil Science, Faculty of Agriculture, Universitas Andalas, Limau Manis, Padang, West Sumatra 25163 Indonesia, et al.
  Terbitan: (2021)
• Nitrogen and Phosphorous Movement Characteristic in Terrace Paddy Field Using Cascade Irrigation System in West Sumatra, Indonesia
  oleh: Darmawan, .; Department of Soil Science, Faculty of Agriculture, Andalas University, Padang-25163, Indonesia, et al.
  Terbitan: (2011)
• Isolation of Cellulolytic Bacteria from Peat Soils as Decomposer of Oil Palm Empty Fruit Bunch
  oleh: Gusmawartati, .; Departement of Agricultural Science, University of Andalas, Kampus Limau Manis University of Andalas Padang, 25163, Indonesia,, et al.
  Terbitan: (2018)
• Humic Acid and Water Management to Decrease Ferro (Fe2+) Solution and Increase Productivity of Established New Rice Field
  oleh: . Herviyanti; Department of Soil Science, Faculty of Agriculture, Andalas University, Limau Manis, Padang 25163, et al.
  Terbitan: (2012)