Table 4. The growth characteristics of a corn in soils amended with guano

Treatment\Quality	Stem diameter (mm)	Clum length (cm)	Ear setting (cm)	Leaf	Leaf area (cm²)
Control pot	356^c	251^c	103^bc	12^a	7,720^a
Experimental field-1	361^c	265^d	95^c	12^a	7,521^c
Experimental field-2	369^c	290^ab	115^a	12^a	7,289^d
Experimental field-3	405^a	285^ab	110^ab	12^a	7,230^e
Experimental field-4	359^c	295^a	100^bc	12^a	7,630^b
Experimental field-5	389^b	290^b	110^ab	12^a	6,370^f