Department of Soil Science, Faculty of Agriculture, University of Bengkulu, WR Supratman St. Kandang Limun, Bengkulu 38371 INDONESIA e-mail : terra.fp@unib.ac.id
Zikri, Ahmad, Faculty of Agriculture, University of Bengkulu Zulkurnia, Ari, Faculty of Agriculture, University of Bengkulu, Bengkulu, 38121, Indonesia