| Co-application of charcoal and wood ash to improve potassium availability in tropical mineral acid soils P Paramisparam, OH Ahmed, L Omar, HY Ch’ng, PD Johan, NH Hamidi Agronomy 11 (10), 2081, 2021 | 31 | 2021 |
| Phosphorus Sorption following the Application of Charcoal and Sago (Metroxylon sagu) Bark Ash to Acid Soils PD Johan, OH Ahmed, NA Hasbullah, L Omar, P Paramisparam, ... Agronomy 12 (12), 3020, 2022 | 8 | 2022 |
| Acid soils nitrogen leaching and buffering capacity mitigation using charcoal and sago bark ash NH Hamidi, OH Ahmed, L Omar, HY Ch’ng, PD Johan, P Paramisparam, ... Sustainability 13 (21), 11808, 2021 | 8 | 2021 |
| Co-application of inorganic fertilizers with charcoal and sago bark ash to improve soil nitrogen availability, uptake, use efficiency, and dry matter production of sorghum … NH Hamidi, OH Ahmed, L Omar, HY Ch’ng, PD Johan, P Paramisparam, ... Sustainability 15 (1), 827, 2023 | 3 | 2023 |
| Charcoal and Sago Bark Ash Regulates Ammonium Adsorption and Desorption in an Acid Soil NH Hamidi, OH Ahmed, L Omar, HY Ch’ng, PD Johan, P Paramisparam, ... Sustainability 15 (2), 1368, 2023 | 2 | 2023 |
| Amending Potassic Fertilizer with Charcoal and Sago (Metroxylon sagu) Bark Ash to Improve Potassium Availability in a Tropical Acid Soil P Paramisparam, OH Ahmed, L Omar, HY Ch’ng, A Maru, PD Johan Agronomy 11 (11), 2222, 2021 | 1 | 2021 |
| Optimizing the Retention and Leaching of Potassium of Tropical Mineral Acid Soils with Application of Charcoal and Sago Bark Ash P Paramisparam, OH Ahmed, L Omar, P Divra, NHH Johan, HY Ch’ng, ... Malaysian Journal of Soil Science 28, 63-78, 2024 | | 2024 |
| Changes in Potassium Sorption and pH Buffering Capacity of Tropical Acid Soils Following Application of Charcoal and Sago Bark Ash. P Paramisparam, OH Ahmed, HY Ch’ng, L Omar, PD Johan, NH Hamidi, ... Malaysian Journal of Soil Science 27, 2023 | | 2023 |
| Charcoal and Sago Bark Ash Regulates Ammonium Adsorption and Desorption in an Acid Soil. Sustainability 2023, 15, 1368 NH Hamidi, OH Ahmed, L Omar, HY Ch’ng, PD Johan, P Paramisparam, ... | | 2023 |
| Establishment of in vitro culture initiation for mutation induction in Volvariella volvacea M Azhar, PD Johan, P Paramisparam, WMN Maizatul, FN Nurul | | |
Ahmed Osumanu HarunaProf. of Soil Fertility and Management, Universiti Islam Sultan Sharif Ali, UNISSA, Brunei在 unissa.edu.bn 的电子邮件经过验证
