ilmkidunya.com has brought to you Lecture of Usama Qamar on "9th Class Biology Chapter 8 Nutrition biology .
Topic 4 Importance of Fertilizers".
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This lecture is specially recorded for students of 9th class, 9th class from all Punjab Boards and is based on the current curriculum of study for Biology book.
All these lectures are conducted in Urdu/English medium to facilitate Pakistani students.
