Kasim, Hassan, Ibrahim Musa, and Mustapha Alhaji Muhamman. 2017. “EFFECTS OF SPACINGS AND BUTACHLOR LEVELS ON WEED CONTROL, GROWTH AND YIELD OF NERICA 1 RICE (ORYZA SATIVA X ORYZA GLABERRIMA L.) IN NORTHERN GUINEA SAVANNAH”. Journal of Agricultural Sciences (Belgrade) 62 (4). https://asistent.ceon.rs/index.php/jas/article/view/14417.