Effect of Tuber Crop Wastes/Byproducts on Nutritional and Microbial Composition of Vermicomposts and Duration of the Vermicomposting Process

Table 2

Initial chemical characteristics of vermicomposting materials.

Feeding materials	pH		EC (dSm^−1)		Organic carbon (%)		Nitrogen (%)		Phosphorus (%)		Potassium (%)
	I*	II**	I	II	I	II	I	II	I	II	I	II
Cow dung	6.79	6.68	1.12	1.23	19.75	20.22	0.46	0.47	0.12	0.16	0.43	0.40
Garden residues	6.61	6.59	1.22	1.33	23.57	23.59	1.10	1.01	0.18	0.18	0.43	0.32
Cassava leaves	6.59	6.58	1.14	1.24	26.66	25.84	1.12	1.11	0.23	0.24	0.32	0.30
Cassava thippi	6.81	6.70	3.94	3.52	18.95	19.43	0.83	0.77	0.12	0.11	0.23	0.22
Sweet potato leaves	6.53	6.54	1.29	1.52	25.96	26.79	2.06	1.98	0.35	0.31	0.52	0.41
Sweet potato thippi	6.88	6.73	2.24	2.32	19.47	18.45	0.92	0.84	0.15	0.12	0.34	0.29

* Season I.
** Season II.