Research Article

A Comparative Evaluation of the Physical and Chemical Characteristics of Composted Tea Tree (Melaleuca alternifolia L.) with Pine Bark Growing Media in Tobacco (Nicotiana tabucum L.) Seedling Production

Figure 2

Spiral root development. T1, Treatment 1; T2, Treatment 2; T3, Treatment 3; T4, Treatment 4; T5, Treatment 5; T6, Treatment 6.