The primary concern of the passage is- A Local research and harmful effects of fertilizer B Advantage and disadvantages or quid alliterative C A formula for the production of fertilizer D . Content, form and effects of fertilizer The primary concern of the passage is- Correct Answer . Content, form and effects of fertilizer Bissoy MCQ Team Jun 09, 2023 English B1 -ইউনিট জাহাঙ্গীরনগর বিশ্ববিদ্যালয়