Lesson 5 of 12 • 2 upvotes • 9:00mins
Different wavelengths of light are required at different phases of plant development. This lesson discusses the importance of such different phases and their requirements of different wavelengths of light as well as their photoperiods and phototropism
12 lessons • 1h 55m
Overview (in Hindi)
1:17mins
Environmental Awareness and International Agencies Working for Environment (in Hindi)
6:31mins
Different Factors Influencing Environment (in Hindi)
2:44mins
Climatic and Aerial Factor (in Hindi)
13:52mins
Effect of Light on Plants (in Hindi)
9:00mins
Climatic factor - Temperature and its Effects (in Hindi)
13:39mins
Water, Wind, Edaphic and Physiographic Factors (in Hindi)
6:39mins
Soil and its Composition (in Hindi)
10:16mins
Different Types of Soil (in Hindi)
14:38mins
Soil Texture and Profile (in Hindi)
10:06mins
Biological Environmental Factors (in Hindi)
14:26mins
Important Interactions Occurring in Nature (in Hindi)
12:03mins