Items where Author is "Ahmad, Osumanu Haruna"

Perumal, Palanivell and Ahmad, Osumanu Haruna and Nik Majid, Nik Muhamad and Kasim, Susilawati (2015) Mitigating ammonia volatilization from urea in waterlogged condition using Clinoptilolite zeolite. International Journal of Agriculture and Biology, 17 (1). pp. 149-155. ISSN 1560-8530; ESSN: 1814-9596

Lim, Liza Nuriati Kim Choo and Ahmad, Osumanu Haruna (2014) Partitioning carbon dioxide emission and assessing dissolved organic carbon leaching of a drained peatland cultivated with pineapple at Saratok, Malaysia. The Scientific World Journal, 2014. art. no. 906021. pp. 1-9. ISSN 2356-6140; ESSN: 1537-744X

Ch'ng, Huck Ywih and Ahmad, Osumanu Haruna and Kasim, Susilawati and Nik Majid, Nik Muhamad (2014) Recycling of sago (Metroxylon sagu) bagasse with chicken manure slurry through co-composting. Journal of Agricultural Science and Technology, 16 (6). art. no. 21. pp. 1441-1454. ISSN 1680-7073; ESSN: 2345-3737

Hani, Nurul Wahida and Abdul Rahim, Anuar and Ishak, Che Fauziah and Ahmad, Osumanu Haruna (2013) Response of Brassica rapa var. parachinensis grown on copper contaminated Oxisol, Inceptisol and Histosol. Malaysian Journal of Soil Science, 17. pp. 99-110. ISSN 1394-7990

Ahmad, Osumanu Haruna and Hussin, Aminuddin and Mohd Hanif, Ahmad Husni (2008) Ammonia volatilization and ammonium accumulation from urea mixed with zeolite and triple superphosphate. Acta Agriculturae Scandinavica, Section B — Soil & Plant Science, 58 (2). pp. 182-186. ISSN 0906-4710; ESSN: 1651-1913

Balasundram, Siva Kumar and Mohd Hanif, Ahmad Husni and Ahmad, Osumanu Haruna (2008) Spatial variability of pineapple yields on tropical peat. Crop Management. ISSN 1543-7833

Ahmad, Osumanu Haruna (2014) Humic substances and urea use in agriculture. Universiti Putra Malaysia Press, Serdang, Selangor. ISBN 9789673444069

Ahmad, Osumanu Haruna and Nik Majid, Nik Muhamad (2014) Towards efficient utilization of nitrogen based fertilizers. Universiti Putra Malaysia Press, Serdang, Selangor. ISBN 9789673444076

Ahmad, Osumanu Haruna and Azyumi, Nur Asyira and Jalloh, Mohamadu Boyie and Jol, Hamdan (2015) Using clinoptilolite zeolite for enhancing potassium retention in tropical peat soil. In: Advances in Tropical Soil Sciences. Universiti Putra Malaysia Press, Universiti Putra Malaysia, Serdang, pp. 112-127. ISBN 9789673445158

Ahmad, Osumanu Haruna and G., Sumalatha (2012) Zeolite in maize (Zea mays) cultivation: preliminary information on nutrients availability and use efficiency. In: Soil Science Conference of Malaysia 2012, 10-12 Apr. 2012, Kota Bharu, Kelantan. (pp. 220-224).