Hasbullah Nur Aainaa, Osumanu Haruna Ahmed, Susilawati Kasim and Nik Muhamad Ab. Majid
International Journal of Agricultural Research 9 ( 3 ): 136 - 148 , 2014
Hasbullah Nur Aainaa, Osumanu Haruna Ahmed, Susilawati Kasim and Nik Muhamad Ab. Majid
International Journal of Soil Science 9 ( 2 ): 55 - 66 , 2014