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Kavitha Rajan, . and Latifah Omar, . and Ahmed, Osumanu Haruna and Charles, Primus Walter and Susilawati Kasim, . (2024) Mitigating Rapid Release of Nitrate from Rejected Sago Starch-coated Urea and Uncoated Urea. Malaysian Journal of Soil Science (MJSS) (Malaysia), 28. pp. 117-133. ISSN 1394-7990
Puvan Paramisparam, . and Ahmed, Osumanu Haruna and Latifah Omar, . and Prisca Divra Johan, . and Nur Hidayah Hamidi, . and Huck, Ywih Ch'ng and Adiza Alhassan Musah, . (2024) Optimizing the Retention and Leaching of Potassium of Tropical Mineral Acid Soils with Application of Charcoal and Sago Bark Ash. Malaysian Journal of Soil Science (MJSS) (Malaysia), 28. pp. 63-78. ISSN 1394-7990
Puvan Paramisparam, . and Ahmed, Osumanu Haruna and Huck, Ywih Ch’ng and Latifah Omar, . and Prisca Divra Johan, . and Nur Hidayah Hamidi, . and Adiza Alhassan Musah, . (2023) Changes in Potassium Sorption and pH Buffering Capacity of Tropical Acid Soils Following Application of Charcoal and Sago Bark Ash. Malaysian Journal of Soil Science (MJSS) (Malaysia), 27. pp. 56-69. ISSN 1394-7990
Kevin Muyang Tawie Anak Sulok and Angela Tida Henry Ganie and Kho, Pei Ee and Wong, Chin Mee and Chen, Yi Shang and Zehnder Jarroop Augustine Mercer and Ahmed, Osumanu Haruna and Affendi Suhaili. (2023) Foliar spectral signature analysis of three pepper (Piper nigrum L.) cultivars in Malaysia. Journal of Tropical Plant Physiology (JTPP) (Malaysia), 15 (1). p. 13. ISSN 1985-0484
Shajarutulwardah Mohd Yusob and Ahmed, Osumanu Haruna and Latifah Omar and Kueh, Roland Jui Heng and Rahiniza Kamaruzaman. (2023) Inorganic and natural silicon sources as soil amendment on growth of local aromatic rice variety. Journal of Tropical Plant Physiology (JTPP) (Malaysia), 15 (1). pp. 24-36. ISSN 1985-0484
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Amending phosphate fertilizers with clinoptilolite zeolite to improve chemical properties of acid soil. In: Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 22-57. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Economic viability of using clinoptilolite zeolite in Z. mays L. cultivation on acid soil. In: Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 157-164. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Effect of clinoptilolite zeolite on soil chemical properties, dry matter and nutrient use efficiency of Z. Mays L. on acid soil. In: Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 58-86. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Evaluation of inorganic fertilizers with clinoptilolite zeolite on soil chemical properties, agronomic efficiency, and yield of Z. Mays L. In: Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 87-134. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) General conclusion and recommendations for future research. In: Zeolites to unlock phosphorus fixation in agriculture 165165. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 165-185. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Mitigation of soil nutrient unavailability in agriculture. In: Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor, pp. 4-21. ISBN 9789673447046
Ahmed, Osumanu Haruna and Nur Aainaa Hasbullah, . and Nik Muhamad Ab. Majid, . (2017) Zeolites to unlock phosphorus fixation in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor. ISBN 9789673447046
