| Deterioration of soil fertility by land use changes in South Sumatra, Indonesia: from 1970 to 1990 J Lumbanraja, T Syam, H Nishide, AK Mahi, M Utomo, Sarno, M Kimura Hydrological Processes 12 (13‐14), 2003-2013, 1998 | 95 | 1998 |
| Ilmu Tanah Dasar-Dasar dan Pengelolaan IM Utomo Kencana, 2016 | 72 | 2016 |
| Ammonium–Potassium–Calcium Exchange on Vermiculite and Hydroxy‐aluminum Vermiculite VP Evangelou, J Lumbanraja Soil Science Society of America Journal 66 (2), 445-455, 2002 | 69 | 2002 |
| Adsorption-desorption of potassium and ammonium at low cation concentrations in three Kentucky subsoils J Lumbanraja, VP Evangelou Soil Science 157 (5), 269-278, 1994 | 65 | 1994 |
| Cultivation of straw mushroom (Volvariella volvacea) on oil palm empty fruit bunch growth medium S Triyono, A Haryanto, M Telaumbanua, Dermiyati, J Lumbanraja, F To International Journal of Recycling of organic waste in Agriculture 8, 381-392, 2019 | 55 | 2019 |
| Methane emission from an Indonesian paddy field subjected to several fertilizer treatments SG Nugroho, J Lumbanraja, H Suprapto, Sunyoto, WS Ardjasa, ... Soil Science and Plant Nutrition 40 (2), 275-281, 1994 | 49 | 1994 |
| Land use and cover changes in a hilly area of South Sumatra, Indonesia (from 1970 to 1990) T Syam, H Nishide, AK Salam, M Utomo, AK Mahi, J Lumbanraja, ... Soil Science and Plant Nutrition 43 (3), 587-599, 1997 | 48 | 1997 |
| Binary and ternary exchange behavior of potassium and ammonium on Kentucky subsoils J Lumbanraja, VP Evangelou Soil Science Society of America Journal 54 (3), 698-705, 1990 | 47 | 1990 |
| Effect of intermittent irrigation on methane emission from an Indonesian paddy field SG Nugroho, J Lumbanraja, H Suprapto, Sunyoto, WS Ardjasa, ... Soil Science and Plant Nutrition 40 (4), 609-615, 1994 | 46 | 1994 |
| Potassium quantity-intensity relationships in the presence and absence of NH4 for three Kentucky soils J Lumbanraja, VP Evangelou Soil Science 154 (5), 366-376, 1992 | 42 | 1992 |
| Three-year measurement of methane emission from an Indonesian paddy field SG Nugroho, J Lumbanraja, H Suprapto, Sunyoto, H Haraguchi, ... Plant and Soil 181, 287-293, 1996 | 40 | 1996 |
| Soil chemical properties of an Indonesian red acid soil as affected by land use and crop management M Iijima, J Lumbanraja, E Yuliadi, Y Izumi, A Watanabe Soil and Tillage Research 76 (2), 115-124, 2004 | 31 | 2004 |
| Uji efektivitas pupuk organonitrofos dan kombinasinya dengan pupuk anorganik terhadap pertumbuhan, serapan hara dan produksi tanaman mentimun (Cucumis sativus L.) pada musim … AA Wijaya, J Lumbanraja, YC Ginting Jurnal Agrotek Tropika 3 (3), 2015 | 26 | 2015 |
| Optimum ratio of fresh manure and grain size of phosphate rock mixture in a formulated compost for organomineral NP fertilizer SG Nugroho, J Lumbanraja, S Triyono, H Ismono, YT Sari, E Ayuandari Journal of Tropical Soils 17 (2), 121-128, 2012 | 23 | 2012 |
| Effect of weed management in coffee plantation on soil chemical properties Sarno, J Lumbanraja, Afandi, T Adachi, Y Oki, M Senge, A Watanabe Nutrient Cycling in Agroecosystems 69, 1-4, 2004 | 23 | 2004 |
| Effect of rice variety on methane emission from an Indonesian paddy field SG Nugroho, Sunyoto, J Lumbanraja, H Suprapto, WS Ardjasa, M Kimura Soil Science and Plant Nutrition 43 (4), 799-809, 1997 | 22 | 1997 |
| Respon tanaman jagung (Zea mays L.) terhadap sistem olah tanah pada musim tanam ketiga di tanah ultisol Gedung Meneng Bandar Lampung A Hidayat FAKULTAS PERTANIAN, 2017 | 18 | 2017 |
| Pengaruh Sistem Olah Tanah terhadap Pertumbuhan, Serapan Hara dan Produksi Tanaman Jagung pada Tanah Ultisol Gedung Meneng Bandar Lampung H Oktaviansyah, J Lumbanraja, S Sunyoto, S Sarno Jurnal Agrotek Tropika 3 (3), 2015 | 16 | 2015 |
| Pengaruh jangka panjang pemberian pupuk organik dan inorganik serta kombinasinya terhadap perbaikan tanah masam Taman Bogo S Yusnaini, MAS Arif, J Lumbanraja, GS Nugroho, M Nonaka Journal Of Tropical Soils, 155-162, 2004 | 15 | 2004 |
| KIMIA TANAH dan AIR Prinsip Dasar dan Lingkungan J Lumbanraja Aura, 2017 | 13 | 2017 |
R. Hanung IsmonoUniversity of LampungVerified email at fp.unila.ac.id
