Effect of Organic Based N Fertilizer on Dry Matter (Zea mays L.), Ammonium and Nitrate Recovery in an Acid Soil of Sarawak, Malaysia

Susilawati Kasim, Osumanu Haruna Ahmed, Nik Muhamad Ab. Majid, Mohd Khanif Yusop and Mohamadu Boyie Jalloh

American Journal of Applied Sciences 6 ( 7 ): 1289 - 1294 , 2009