1Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia.
2Center for Research and Development of Biotechnology and Biodiversity, Universitas Sebelas Maret. Jl. Ir. Sutami 36 A Surakarta 57126, Central Java, Indonesia.
3Department of Soil Science, Faculty of Agriculture, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia
Email: tatik_oc@yahoo.com