NCERT Important Questions Class 9 Science biology Chapter 15
Important NCERT Extra Questions
Chapter 15 Improvement in Food Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
What is manure?
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Manure is partially decomposed organic matter formed from animal wastes (such as dung of cattle) and crop residue that is added to soil for increase in fertility.