Vermitechnology| Class 9 Science Unit 23 Economic Biology

Vermitechnology| Class 9 Science Unit 23 Economic Biology

Chapters:
**********
0:00 Vermitechnology
2:06 Vermiculture
3:47 Vermicomposting
4:55 Vermicompost
5:53 Vermicomposting Material
7:39 Vermicomposting by bin method
10:40 Advantages of vermicompost

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