From: Effect of manure sources and rates on nitrogen replacement value, sesame yield and nutrient content under drip irrigation system
N source
Regression coefficient (b)
Probability
r2
N equivalence relative to inorganic N (%) (borgN ÷ binorgN × 100)
Compost
2.61
0.003**
0.80
30
Chicken manurea
4.31
0.001**
0.94
50
FYM
5.35
< 0.001***
0.88
62
Inorganic Nb
8.58
0.93