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Carbon : Nitrogen (C : N) Ratio of Organic Materials

🌿 Carbon : Nitrogen (C : N) Ratio of Organic Materials

S. No. Material C : N Ratio
1 Humus 10 : 1
2 Normal Soils 8 : 1 to 15 : 1
3 Legumes 20 : 1 to 30 : 1
4 Cereals 90 : 1
5 Farmyard Manure (FYM) 25 : 1 to 30 : 1
6 Sawdust 400 : 1 (Highest)
7 Micro-organisms 4 : 1 to 9 : 1 (Lowest)

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