Perubahan kandungan nitrat-nitrogen dalam air, tanah dan tisu pokok padi dalam satu ekosistem sawah padi - Abdul Rahim Ramli (1982)
Project report (B. Sc) -- Universiti Sains Malaysia, 1982
Includes bibliographical references
Keywords: Universiti Sains Malaysia -- Dissertations; Dissertations, Academic -- Pulau Pinang -- Malaysia; Nitrification