Microcosm code Biostimulation agents and amount used C:N
A Unamended control soil (natural attenuation)  
B Cow dung (CD) 19:1
C Pig dung (PD) 13:1
D Cassava peels (CP) 34:1
E Melon shell (MS) 69:1
F Beans shell (BS) 42:1
G Groundnut shell (GS) 37:1
H 100 g Cow dung (CD) +100 g Groundnut shell (GS) 25:1
1 100 g Cow dung (CD)+100 g Melon shell (MS) 30:1
J 100 g Cow dung (CD)+100 g Cassava peels (CP) 24.5:1
K 100 g Pig dung (PD)+100 g Beans shell (BS) 19:1
L 100 g Pig dung (PD)+100 g Groundnut shell (GS) 18.7:1
M 100 g Pig dung (PD)+100 g Cassava peels (CP) 18:1
N 100 g Groundnut shell (GS)+100 g Cassava peels (CP) 35:1
O 100 g Beans shell (BS)+100 g Cassava peels (CP) 38:1
P 100 g Cow dung (CD)+100 g Pig dung (PD) 15:1
Q 100 g Groundnut shell (GS) +100 g Beans shell (BS) 39:1
R 100 g Groundnut shell (GS)+100 g Melon shell (MS) 48:1
S 100 g Beans shell (BS)+100 g Melon shell (MS) 52:1
T 1.75 g NPK fertilizer 46:1
Table 2: Types of organic wastes and their combinations in different microcosms