Dwi Fitri Yudiantoro
Department of Geological Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta Indonesia
Soeranto Human
Research Center for Food Crops, National Research and Innovation Agency, (BRIN), Cibinong, West Java Indonesia
Erni Johan
Faculty of Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama Japan
Kristin Natalia H Makahenggang
Magister Program of Soil Science, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta Indonesia
Laponda Jaya Katon
Magister Program of Soil Science, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta Indonesia
Firdaus Muhammad Fauzi
Magister Program of Soil Science, Faculty of Agriculture, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta Indonesia