Unit 22 | Agriculture | Fertilizer and pesticides | Grade 12 | New syllabus | Federal board
Автор: All Chemistry by Shazia
Загружено: 2026-02-23
Просмотров: 11
Описание:
In this comprehensive lecture, we cover Unit 22 – Agriculture: Fertilizers and Pesticides for Grade 12 (New Syllabus) under the Federal Board (FBISE) curriculum.
This video explains the important concepts of fertilizers and pesticides, their types, uses, advantages, and disadvantages in modern agriculture. It is specially designed for intermediate students preparing for board exams.
📘 Topics Covered:
Importance of agriculture in Pakistan
Definition and types of fertilizers (organic and inorganic)
Major nutrients in fertilizers (Nitrogen, Phosphorus, Potassium – NPK)
Advantages and disadvantages of chemical fertilizers
Definition and types of pesticides (insecticides, herbicides, fungicides)
Benefits and harmful effects of pesticides
Environmental impacts and safety measures
🎯 Learning Objectives:
Understand the role of fertilizers in increasing crop yield
Differentiate between various types of pesticides
Analyze the environmental effects of excessive chemical use
Prepare effectively for Federal Board examinations
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