Humic substances and urea use in agriculture

by Ahmad, Osumanu Haruna
Published 2014

Zeolite in maize (Zea mays) cultivation: preliminary information on nutrients availability and use efficiency

by Ahmad, Osumanu Haruna, G., Sumalatha
Published 2012

Towards efficient utilization of nitrogen based fertilizers

by Ahmad, Osumanu Haruna, Nik Majid, Nik Muhamad
Published 2014

Partitioning carbon dioxide emission and assessing dissolved organic carbon leaching of a drained peatland cultivated with pineapple at Saratok, Malaysia

by Lim, Liza Nuriati Kim Choo, Ahmad, Osumanu Haruna
Published 2014

Ammonia volatilization and ammonium accumulation from urea mixed with zeolite and triple superphosphate

by Ahmad, Osumanu Haruna, Hussin, Aminuddin, Mohd Hanif, Ahmad Husni
Published 2008

Spatial variability of pineapple yields on tropical peat.

by Balasundram, Siva Kumar, Mohd Hanif, Ahmad Husni, Ahmad, Osumanu Haruna
Published 2008

Using clinoptilolite zeolite for enhancing potassium retention in tropical peat soil

by Ahmad, Osumanu Haruna, Azyumi, Nur Asyira, Jalloh, Mohamadu Boyie, Jol, Hamdan
Published 2015

Mitigating ammonia volatilization from urea in waterlogged condition using Clinoptilolite zeolite

by Perumal, Palanivell, Ahmad, Osumanu Haruna, Nik Majid, Nik Muhamad, Kasim, Susilawati
Published 2015

Response of Brassica rapa var. parachinensis grown on copper contaminated Oxisol, Inceptisol and Histosol

by Hani, Nurul Wahida, Abdul Rahim, Anuar, Ishak, Che Fauziah, Ahmad, Osumanu Haruna
Published 2013

Recycling of sago (Metroxylon sagu) bagasse with chicken manure slurry through co-composting

by Ch'ng, Huck Ywih, Ahmad, Osumanu Haruna, Kasim, Susilawati, Nik Majid, Nik Muhamad
Published 2014