C:N Ratio Definition :- It is the ratio to %of carbon to the %of nitrogen present in soil & plant Various C:N ratio 1)Microbes :- 4:1 to 9:1 2)cultivated soil :- 10:1 3) legumes :- 20:1 to 30:1 4) cattle dung :- 20:1 5) wheat straw :- 80:1 6)straw residue :- 100:1 7)sugacane straw :- 120:1 8)saw dust :- 400:1 KisanKrantiIG 340 views𝐊𝐢𝐬𝐚𝐧 𝐊𝐫𝐚𝐧𝐭𝐢 𝐈𝐆, edited 18:37