Ritung, Sofyan, Indonesian Center for Agricultural Land Resources Research and Development, Bogor, Indonesia
Rochmadtulloh, Mapan, Graduate of Soil Science, Faculty of Agriculture, Sebelas Maret University, Surakarta
Rohman, Saefur, Agrotechnology Study Program, Faculty of Agriculture, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya, East Java, 60294
Romadhon, Muhammad Rizky, Graduate of Soil Science, Faculty of Agriculture, Sebelas Maret University, Surakarta
Romadhona, Sukron, Faculty of Agriculture, Jember University, Jember, East Java
Rosada, Ida, Agribusiness Study Program, Faculty of Agriculture, Universitas Muslim Indonesia
Rosalina, Febrianti, Institut Pertanian Bogor
Rosariastuti, Retno, Sebelas Maret University
Rosariastuti, Retno, Environmental Science, Postgraduate Sebelas Maret University
Rosariastuti, Retno, Department of Soil Science, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta (Indonesia)
Rudenok, Yana, Maikop State Technological University, Maykop, Adygea Republic, 385000 Russia
Rukmana, Didi, Department of Agriculture Socio-Economics, Hasanuddin University, Indonesia
Ruseva, Anna, Academy of Biology and Biotechnology by D.I. Ivanovsky, Southern Federal University
Rusmayadi, Gusti, Study Program of Agronomy, Faculty of Agriculture, Lambung Mangkurat University
Ryswaldi, Ridho, Faculty of Economics and Business, Universitas Andalas

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