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Article

astriana rahmi Setiawati, astriana Rahmi Setiawati and Lumbanraja, Jamalam and Septi Nurul Aini, Septi Nurul Aini and Dermiyati, - and Buchari, Henrie and Nasvendra, Zuldadadan (2020) Texture and Chemical Properties of Two Depth Soils in a Toposequence of Anak Krakatau Before December 2018 Eruption. Journal of Tropical Soils, 25 (2). pp. 80-89. ISSN 0852-257X

Agung Indrayuana, I Gde and Yusnaini, Sri and Lumbanraja, Jamalam and Buchari, Henrie (2020) PENGARUH SISTEM OLAH TANAH DAN APLIKASI HERBISIDA TERHADAP BIOMASSA KARBON MIKROORGANISME TANAH (C-MIK) PADA PERTANAMAN JAGUNG (Zea mays L.) MUSIM TANAM KE-5 DI GEDONG MENENG. AGROTEK TROPIKA, 8 (1). pp. 1-10. ISSN 2337-4993

Niswati, Ainin and Pangaribuan, Y A L D J and Lumbanraja, Jamalam and Arif, Mas Achmad Syamsul (2019) Abundance and diversity of soil mesofauna under tillage system in maize plantation at Ultisols soil. IOP Conf. Series: Earth and Environmental Science, 393. pp. 1-8. ISSN 1755-1315

Triyono, Sugeng and Haryanto, Agus and Telaumbanua, Marely and Dermiyati, - and Lumbanraja, Jamalam and To, Filip (2019) Cultivation of straw mushroom (Volvariella volvacea) on oil palm empty fruit bunch growth medium. International Journal of Recycling of Organic Waste in Agriculture, 8 (4). pp. 381-392. ISSN 2251-7715

Hasibuan, Rosma and Purnomo, . and Lestari, Wibowo and Izzaturrijal, Izzaturrijal and Lumbanraja, Jamalam (2019) COMPARATIVE BIOACTIVITY OF PLANT EXTRACTS AND SYNTHETIC INSECT GROWTH REGULATORS AGAINST Spodoptera litura (F.) (LEPIDOPTERA: NOCTUIDAE). Jurnal Hama dan Penyakit Tumbuhan Tropika, 19 (2). pp. 118-126. ISSN 1411-7525

Julaili, Sirod and Lumbanraja, Jamalam and Pujisiswanto, Hidayat and Sarno, - (2019) PENGARUH SISTEM OLAH TANAH DAN KOMBINASI PUPUK MAJEMUK NPK DENGAN KOMPOS TERHADAPPERTUMBUHAN DANBIOMASA GULMAPADA PERTANAMAN KACANG HIJAU (PHASEOLUS RADIATUS L.). Jurnal Agrotek Tropika, 7 (3). pp. 451-461. ISSN 2337-4993

Suri, Dwika Putri and Lumbanraja, Jamalam and Novpriansyah, Hery and Dermiyati, - and Novpriansyah, Hery (2019) UJI EFEKTIFITAS KOMBINASI PUPUK ORGANONITROFOS DAN PUPUK ANORGANIK TERHADAP PERTUMBUHAN, PRODUKSI, DAN SERAPAN HARA TANAMAN UBI KAYU (Manihot esculenta Crantz) PADA MUSIM TANAM KETIGA DI GEDUNG MENENG. Jurnal Agrotek Tropika, 7 (3). pp. 487-496. ISSN 2337-4993

Lumbanraja, Jamalam and Amalia, Riajeng Hanum and Sarno, - and Dermiyati, - and Hasibuan, Rosma and Agustina, Wiiwk and Satgada, Catur Putra and Zulkarnain, Eldineri and Awang, Tegar Rafshodi (2019) Perilaku Pertukaran Amonium dan Produksi Tebu (Saccharum officinarum L.) yang Dipupuk Anorganik NPK dan Organik pada Pertanaman Tebu di Tanah Ultisol Gedung Meneng. Journal of Tropical Upland Resources, 01 (01). pp. 1-18.

Triyono, Sugeng and Zulkarnain, Iskandar and Haryanto, Agus and Ridwan, Ridwan and Lumbanraja, Jamalam and Dermiyati, - (2019) THE EFFECTS OF EMPTY FRUIT BUNCH TREATMENTS FOR STRAW MUSHROOM SUBSTRATE ON PHYSICOCHEMICAL PROPERTIS OF A BIOFERTILIZER. Jurnal Teknik Pertanian Lampung, 8 (2). pp. 120-129. ISSN 2302-559X

Triyono, Sugeng and Pujiono, Rio and Zulkarnain, Iskandar and Ridwan, Ridwan and Haryanto, Agus and Dermiyati, - and Lumbanraja, Jamalam (2019) THE EFFECTS OF EMPTY FRUIT BUNCH TREATMENTS FOR STRAW MUSHROOM SUBSTRATE ON PHYSICOCHEMICAL PROPERTIS OF A BIOFERTILIZER. Jurnal Teknik Pertanian Lampung Vol. 8, No. 2: 120-129, 8 (2). pp. 120-129. ISSN 2549-0818

Triyono, Sugeng and Haryanto, Agus and Telaumbanua, Marely and Dermiyati, - and Lumbanraja, Jamalam and To, Filip (2019) Cultivation of Straw Mushroom (Volvarealla volvacea) on Oil Palm Empty Fruit Bunch Growth Medium. International Journal of Recycling of Organic Waste in Agriculture. ISSN 2195-3228

Lumbanraja, Jamalam and Hariyanto, Agus and Telaumbanua, Marely and Dermiyati, Dermiyati and Lumbanraja, Jamalam and To, Filip (2019) Cultivation of straw mushroom (Volvariella volvacea) on oil palm empty fruit bunch growth medium. International Journal of Recycling of Organic Waste in Agriculture. pp. 1-14. ISSN ISSN 2195-322

Barus, Junita and Lumbanraja, Jamalam and Sudarsono, Hamim and Dermiyati, Dermiyati (2019) A Litterbag Study: Decomposition Rate and C/N Ratio of Annual Crop Biomass Residues on An Ultisols in Natar Village, South Lampung, Indonesia. A Litterbag Study: Decomposition Rate and C/N Ratio of Annual Crop Biomass Residues on An Ultisols in Natar Village, South Lampung, Indonesia, 42 (1). pp. 387-403. ISSN 1511-3701

Barus, Yunita and Lumbanraja, Jamalam and Sudarsono, Hamim and Dermiyati, - (2019) A Litterbag Study: Decomposition Rate and C/N Ratio of Annual Crop Biomass Residues on An Ultisols in Natar Village, South Lampung, Indonesia. Pertanika Journal of Tropical Agricultural Science, 42 (1). 387 -403. ISSN 15113701

Lumbanraja, Jamalam and Barus, Junita and Sudarsono, Hamim and Dermiyati, - (2019) Improvement of several indicators of physical and biological properties of soil after adding crops biomass residues and yield of upland rice. JOURNAL OF DEGRADED AND MINING LANDS MANAGEMENT, 6 (2). pp. 1625-1634. ISSN 2339-076X (p); 2502-2458 (e),

Chintya, Gaby and Dermiyati, - and Sarno, - and Lumbanraja, Jamalam (2019) PENGARUH KOMBINASI PUPUK ORGANONITROFOS DAN PUPUK ANORGANIK TERHADAP NITROGEN TOTAL SELAMA PERTUMBUHAN JAGUNG MANIS (Zea Mays saccharata) DI TANAH ULTISOL. Jurnal Agrotek Tropika, 7 (1). pp. 273-280. ISSN 2337-4993

Barus, Junita and Lumbanraja, Jamalam and Sudarsono, Hamim and Dermiyati, - (2019) Improvement of several indicators of physical and biological properties of soil after adding crops biomass residues and yield of upland rice. JOURNAL OF DEGRADED AND MINING LANDS MANAGEMENT, 6 (2). pp. 1625-1634. ISSN 2339-076X

Dermiyati, - and Niswati, Ainin and Sanjaya, BP and Lumbanraja, Jamalam and Arif, Mas Achmad Syamsul and Amalia, Putri and Triyono, Sugeng and Yusnaini, Sri (2018) Soil fauna population during the maize (Zea maysl.) growth with the addition of organonitrophos, inorganic fertilizer and biochar. IOP Conf. Series: Earth and Environmental Science, 215 (012003). pp. 1-8. ISSN 1755-1315

Fauzan, MA and Lumbanraja, Jamalam and Novpriansyah, Hery and Afandi, . and Kaneko, Nobuhiro (2018) Aggregate Stability and Root Biomass Affected by Soil Tillage and Mulching in Green Nut Cultivation (Vigna radiata L.). "6TH INTERNATIONAL WORKSHOP ON CROP PRODUCTION AND PRODUCTIVITY UNDER GLOBAL CLIMATE CHANGE" (Proceeding). pp. 59-60. ISSN ISBN: 978-4-909365-04-0

Rachmat, A. K. and Lumbanraja, Jamalam and Afrianti, Nur Afni and Utomo, Muhajir and Kaneko, Nobuhiro (2018) HARVESTED NUTRIENT AND PRODUCTION OF CASSAVA (Manihot esculenta) AFFECTED BY TILLAGE AND HERBICIDE IN THE 4th PLANTING PERIOD IN GEDUNG MENENG SOIL BANDAR LAMPUNG. "6TH INTERNATIONAL WORKSHOP ON CROP PRODUCTION AND PRODUCTIVITY UNDER GLOBAL CLIMATE CHANGE" (Proceeding). pp. 80-82. ISSN ISBN 978-4-909365-04-0

Nurhidayat, N and Lumbanraja, Jamalam and Supriatin, Supriatin and Sarno, - and Dermiyati, - and Triyono, Sugeng (2018) Production and Harvested Nutrients of Sugarcane 1st Ratoon (Saccharum officinarum L.) Affected by Organic and Inorganic Fertilizer. "6TH INTERNATIONAL WORKSHOP ON CROP PRODUCTION AND PRODUCTIVITY UNDER GLOBAL CLIMATE CHANGE" (Proceeding). pp. 83-86. ISSN ISBN 978-4-909365-04-0

Lumbanraja, Jamalam and Wanti, ND and Supriatin, Supriatin and Sarno, - and Dermiyati, - and Triyono, Sugeng and Kaneko, Nobuhiro (2018) Production and harvested nutrient of cassava (manihot esculenta l.) affected by compost and its combination with NPK inorganic fertilizer for the 5th planting period. "6TH INTERNATIONAL WORKSHOP ON CROP PRODUCTION AND PRODUCTIVITY UNDER GLOBAL CLIMATE CHANGE" (Proceeding). pp. 69-71. ISSN ISBN 978-4-909365-04-0

Irawan, Yogi and Lumbanraja, Jamalam and Afrianti, Nur Afni and Afandi, . (2018) Soil Compaction, Water Content, Bulk Density and Soil Root Biomass Affected by Tillage and Fertilizer on Gedung Meneng Soil under Green Bean Growth. "6TH INTERNATIONAL WORKSHOP ON CROP PRODUCTION AND PRODUCTIVITY UNDER GLOBAL CLIMATE CHANGE" (Proceeding). pp. 62-64. ISSN ISBN 978-4-909365-04-0

Hidayat, Ahmad and Lumbanraja, Jamalam and Utomo, Setyo Dwi and Pujisiswanto, Hidayat (2018) Respon Tanaman Jagung (Zea mays L.) terhadap Sistem Olah Tanah pada Musim Tanam Ketiga di Tanah Ultisol Gedung Meneng Bandar Lampung. Jurnal Agrotek Tropika, 6 (1). 01-07. ISSN 2337-4993

Lumbanraja, Jamalam and Satgada, Catur Putra and Sarno, - and Utomo, Muhajir and Hasibuan, Rosma and Dermiyati, - and Triyono, Sugeng (2018) Phosphorus (P) Adsorption Behavior and Harvested P by the Sugarcane (Saccharum officinarum L.) Affected by Inorganic and Organic Fertilizer Applications on an Ulti. Journal of Tropical Soils, 23 (1). pp. 35-45. ISSN 0852-257X

Lumbanraja, Jamalam and Mulyani, Sri and Utomo, Muhajir and Sarno, - (2017) Menulis artikel dengan judul Phosphorus Extraction from Soil Constituents in Equilibrium and Kinetics Applying Bray P-1, Mehlich-1, and Olsen Solutions. Journal of Tropical Soils, 22 (2). pp. 81-89. ISSN 0852-257X (Unpublished)

Dermiyati, - and Karyanto, Agus and Niswati, Ainin and Lumbanraja, Jamalam and Triyono, Sugeng and nyang vania ayuningtyas, hartini and Ismono, R Hanung (2017) Activity of Soil Microorganisms During the Growth of Sweet Corn (Zea Mays Saccharata Sturt) in the Second Planting Time with the Application of Organonitrofos and Biochar. Journal of Tropical Soils, 22 (1). pp. 35-41. ISSN 0852-257X

Zulkarnain, Eldineri and Evizal, Rusdi and Lumbanraja, Jamalam and Rini, M V (2017) Aplikasi Pupuk Anorganik dan Organonitrofospada Tebu (Saccharum officinarum L.) di Lahan Kering Gedong Meneng. Jurnal Penelitian Pertanian Terapan, 17 (1). pp. 77-84. ISSN 1410-5020

Dermiyati, - and Lumbanraja, Jamalam and Banuwa, Irwan Sukri and Triyono, Sugeng and Maulida, Oktarina and Agsary, Debby (2015) Application of Organonitrofos and Inorganic Fertilizer on Cassava (Manihot Esculenta Crantz) in Ultisol Soil. Journal of Tropical Soils, 20 (3). pp. 167-172. ISSN 0852-257X

Sari, Eka Purnama and Lumbanraja, Jamalam and Buchari, Henri and Niswati, Ainin (2015) Uji Efektivitas Pupuk Organonitrofos dan Kombinasinya dengan Pupuk Kimia Terhadap Pertumbuhan, Serapan Hara dan Produksi Tanaman Jagung Manis (Zea mays saccharata) di Musim Tanam Ketiga pada Tanah Ultisol Gedung Meneng. Jurnal Penelitian Pertanian Terapan, 15 (3). pp. 174-182. ISSN 1410-5020

Gandi, Widya and Triyono, Sugeng and Tusi, Ahmad and ., Oktafri and Nugroho, Ghani Sutopo and Dermiyati, - and Lumbanraja, Jamalam and Ismono, R Hanung (2013) PENGUJIAN PUPUK ORGANONITROFOS TERHADAP RESPONS TANAMAN TOMAT RAMPAI ( Lycopersicon pimpinellifolium ) DALAM POT (POT EXPERIMENT) [ TESTING ORGANONITROFOS FERTILIZER OF PLANT RESPONSE S RAMPAI TOMATO (Lycopersicon pimpinellifolium) IN POT(POT EXPERIMENT )]. Jurnal Teknik Pertanian Lampung, 2 (1). pp. 17-26.

Nugroho, Ghani Sutopo and Dermiyati, - and Lumbanraja, Jamalam and Triyono, Sugeng and Ismono, R Hanung and Ningsih, Missy Kurnia and Saputri, Fitri Yani (2013) Inoculation Effect of N2 -Fixer and P-Solubilizer into a Mixture of Fresh Manure and Phosphate Rock Formulated as Organonitrofos Fertilizer on Bacterial and Fungal Populations. Journal of Tropical Soils, 18 (1). pp. 75-80. ISSN 0852-257X

Nugroho, Sutopo Ghani and Dermiyati, - and Lumbanraja, Jamalam and Triyono, Sugeng and Ismono, R Hanung and Sari, Yosa Triolanda and Ayuandari, Elva (2012) Optimum Ratio of Fresh Manure and Grain Size of Phosphate Rock Mixture in a Formulated Compost for Organomineral NP Fertilizer. Journal of Tropical Soils, 17 (2). pp. 121-128. ISSN 0852-257X

Hasibuan, Rosma and Lumbanraja, Jamalam (2012) THE IMPACT OF SOYBEAN AND CORN INTERCROPPING SYSTEM AND SOIL FERTILITY MANAGEMENT ON SOYBEAN APHID POPULATIONS APHIS GLYCINES (HEMIPTERA: APHIDIDAE) AND SOYBEAN GROWTH PERFORMANCE. JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA, 12 (1). pp. 23-35. ISSN ISSN: 2461-0399

Hasibuan, Rosma and Lumbanraja, Jamalam (2010) SOIL NUTRITION MANAGEMENT AND PREDATION BY CHEILOMENES SEXMACULATA (COLEOPTERA: COCCINELLIDAE) IMPACTS ON APHIS GLYCINES (HOMOPTERA: APHIDIDAE). Jurnal Hama dan Penyakit Tumbuhan Tropika, 10 (2). pp. 131-145. ISSN ISSN:1411-7525

Sarno, - and Iijima, Morio and Lumbanraja, Jamalam and Sunyoto, - and Yuliadi, Erwin and Izumi, Yasuhiro and Watanabe, Akira (2004) Soil chemical properties of an Indonesian red acid soil as affected by land use and crop management. Soil and Tillage Research, 76 (2). pp. 115-124. ISSN 0167-1987

Yusnaini, Sri and Arif, Mas Achmad Syamsul and Lumbanraja, Jamalam and Nugroho, Ghani Sutopo and Nonaka, Masanori (2004) Pengaruh jangka panjang pemberian pupuk organik dan inorganik serta kombinasinya terhadap perbaikan tanah masam Taman Bogo. Journal of Tropical Soils (18). pp. 155-162. ISSN 0852-257X

Sarno, - and Lumbanraja, Jamalam and Afandi, . and Adachi, Tadashi and Oki, Yolo and Senge, Masateru and Watanabe, Akira (2004) Effect of weed management in coffee plantation on soil chemical properties. Nutrient Cycling in Agroecosystems, 69. pp. 1-4. ISSN 1385-1314

Turgay, Oguz Can and Lumbanraja, Jamalam and Yusnaini, Sri and Nonaka, Masanori (2002) Effect of land degradation on soil microbial biomass in a hilly area of south Sumatra, Indonesia. Soil Science and Plant Nutrition, 48 (5). pp. 769-774. ISSN 0038-0768

Evangelou, V.P. and Lumbanraja, Jamalam (2002) Ammonium–Potassium–Calcium Exchange on Vermiculite and Hydroxy-aluminum Vermiculite. Soil Science Society American Journal, 66. pp. 445-455. ISSN 0361-5995

Watanabe, Akira and Sarno, - and Lumbanraja, Jamalam and Tsutsuki, Kiyoshi and Kimura, Makoto (2001) Humus composition of soils under forest, coffee and arable cultivation in hilly areas of south Sumatra, Indonesia. European Journal of Soil Science, 52. pp. 599-606. ISSN 1365-2389

Lumbanraja, Jamalam and Nugroho, Sutopo Ghani and Niswati, Ainin and Ardjasa, Wayan Sabe and Subadiyasa, Netera and Arya, Nyoman and Haraguchi, Hiroki and Kimura, Makoto (1998) Methane emission from Indonesian rice fields with special references to the effects of yearly and seasonal variations, rice variety, soil type and water management. Hydrological Processes, 12 (13-14). pp. 2057-2072.

Lumbanraja, Jamalam and Syam, Tamaluddin and Nishide, Hiroyo and Mahi, Ali Kabul and Utomo, Muhajir and Sarno, - and Kimura, Makoto (1998) Deterioration of soil fertility by land use changes in South Sumatra, Indonesia: from 1970 to 1990. Hydrological Processes, 12. pp. 2003-2013.

Nugroho, Ghani Sutopo and Sunyoto, . and Lumbanraja, Jamalam and Suprapto, Hermanus and Arjasa, Wayan Sabe and Kimura, Makoto (1997) Effect of rice variety on methane emission from an Indonesian paddy field. Soil Science and Plant Nutrition, 43 (4). pp. 799-809. ISSN 0038-0768

Syam, Tamaluddin and Nishide, Hiroyo and Salam, Abdul Kadir and Utomo, Muhajir and Mahi, Ali Kabul and Lumbanraja, Jamalam and Nugroho, Ghani Sutopo and Kimura, Makoto (1997) Land use and cover changes in a Hilly Area of South Sumatra, Indonesia (from 1970 to 1990). Soil Science and Plant Nutrition, 43 (3). pp. 587-599. ISSN 0038-0768

Lumbanraja, Jamalam and Nugroho, Ghani Sutopo and Suprapto, Hermanus and Sunyoto, . and Ardjasa, Wayan Sabe and Kimura, Makoto (1997) Methane emission from an Indonesian rainfed paddy field. Soil Science and Plant Nutrition, 43 (2). pp. 479-482. ISSN 0038-0768

Nugroho, Ghani Sutopo and Lumbanraja, Jamalam and Suprapto, Hermanus and Sunyoto, . and Ardjasa, Wayan Sabe and Haraguchi, Hiroki and Kimura, Makoto (1994) Effect of intermittent irrigation on methane emission from an Indonesian paddy field. Soil Science and Plant Nutrition, 40 (4). pp. 609-615. ISSN 0038-0768

Lumbanraja, Jamalam and Evangelou, V.P. (1994) Adsorption-Desorption of Potassium and Ammonium at Low Cation Concentrations in Three Kentucky Subsoils. Soil Science, 157 (5). pp. 269-278. ISSN 0038-075X

Nugroho, Ghani Sutopo and Lumbanraja, Jamalam and Suprapto, Hermanus and Sunyoto, . and Ardjasa, Wayan Sabe and Haraguchi, Hiroki and Kimura, Makoto (1994) Methane Emission from an Indonesian Paddy Field Subjected to Several Fertilizer Treatments. Soil Science and Plant Nutrition, 40 (2). pp. 275-281. ISSN 0038-0768

Sajwan, K. S. and Evangelou, V.P. and Lumbanraja, Jamalam (1994) A Gasometric Technique for Evaluating Kinetic Stability and Apparent Activation Energies of Manganese Oxide Minerals. Soil Science, 157 (1). pp. 19-25. ISSN 0038-075X

Lumbanraja, Jamalam and Evangelou, V.P. (1992) Potassium Quantity-Intensity Relationships in the Presence and Absence of NH4+ for Three Kentucky Soils. Soil Science, 154 (5). pp. 366-376. ISSN 0038-075X

Lumbanraja, Jamalam and Evangelou, V.P. (1990) Binary and Ternary Exchange Behavior of Potassium and Ammonium on Kentucky Subsoils. Soil Science Society American Journal, 54. pp. 698-705. ISSN 0361-5995

Conference or Workshop Item

Triyono, Sugeng and Wibowo, Aldi Riski and Dermiyati, - and Lumbanraja, Jamalam (2020) EFFECTS OF ORGANIC COMPOST DOSES AND REGULATED IRRIGATION ON GROWTH AND YIELD OF ORGANIC RED RAPID LETTUCE (LACTUCA SATIVA L VAR. RED RAPIDS). In: Environmental Innovations: Advances in Engineering, Technology and Management, EIAETM, 21st-27th September, 2020, 21-27 September 2020, Ukrine. (Unpublished)

Niswati, Ainin and Panagribuan, Yoseph and Lumbanraja, Jamalam and Arif, Mas Achmad Syamsul (2019) Abundance and diversity of soil mesofauna under tillage system in maize plantation at Ultisols soil. In: INTERNATIONAL SEMINAR & CONGRESS INDONESIAN SOIL SCIENCE SOCIETY Towards Sustainable Environment and Food Security, 5-7 Agustus 2019, Bandung. (Unpublished)

Triyono, Sugeng and Dermiyati, - and Lumbanraja, Jamalam and Pramono, Hanung and Probowo, Aditya (2018) APPLICATION OF MICROCONTROLLER TO CONTROL ROOM ENVIRONMENT OF A MUSHROOM HOUSE. In: PROCEEDING OF ISAE INTERNATIONAL SEMINAR BANDAR LAMPUNG, AUGUST 10-12, 2017.

Utomo, Muhajir and Lumbanraja, Jamalam and Syam, Tamaluddin and Akbar, Fajri taufik (2017) Prosiding International Symposium on Soil Management for SUstainable Agriculture. In: International Symposium on Soil Management for SUstainable Agriculture.

Dermiyati, - and Niswati, Ainin and Sanjaya, Purba and Lumbanraja, Jamalam and Arif, Mas Achmad Syamsul and Amalia, Putri and Triyono, Sugeng and Yusnaini, Sri (2017) Cek similarity Soil fauna population during the maize (Zea maysl.) growth with the addition of organonitrophos, inorganic fertilizer and biochar. In: IOP Conference Series: Earth and Environmental Science.

Triyono, Sugeng and Dermiyati, - and Lumbanraja, Jamalam and Pramono, Hanung and Probowo, Aditya H (2017) APPLICATION OF MICROCONTROLLER TO CONTROL ROOM ENVIRONMENT OF A MUSHROOM HOUSE. In: International Seminar on Strengthening Food Security ...(Perteta), August, 10-12 2017, Emersia Hotel,Bandar Lampung.

Dermiyati, - and Herawati, Desna and Rini, Maria Viva and Niswati, Ainin and Lumbanraja, Jamalam and Triyono, Sugeng (2016) Pengaruh Pemberian Kombinasi Pupuk Organonitrofos dan Pupuk Kimia sertaBiocharterhadap Total Fungi Mikoriza Arbuskula selama Pertumbuhan Tanaman Jagung. In: Prosiding Seminar Nasional BKS PTN Wilayah Barat Bidang Ilmu Pertanian 2016, 5-6 Agustus 2016, Lhokseumawe.

Lumbanraja, Jamalam and Novpriansyah, Hery and Niswati, Ainin and Sari, Tri Purnama (2016) Phosphorus Adsorption Behavior as Affected by Compost, Iron ion, and Iron Concretion in a Highly Wheathered Soil. In: The 6 International Symposium for the Development of Integrated Pest Management (IPM) in Asia and Africa, 2-3 March 2016, Niigata University, Japan.

Lumbanraja, Jamalam (2009) Collaborative program among international higher education: Challenges and opportunity of student mobility and institutional capacity building. In: International Seminar on Sustainable Biomass Production and Utilization: Challenges and Opportunity, 3-4 Agustus 2009, University of Lampung.

Book

Lumbanraja, Jamalam (2019) PENUNTUN PENGAMATA TANAH DI LAPANG: Morfologi, Genesis dan Klasifikasi Tanah. AURA CV Anugrah Utama Raharja, Bandar Lampung. ISBN 978-623-211-071-7

Lumbanraja, Jamalam (2017) KIMIA TANAH dan AIR Prinsip Dasar dan Lingkungan. Aura, Bandar Lampung. ISBN 978-602-6739-20-9

Utomo, Muhajir and Sabrina, Tengku and Sudarsono, - and Lumbanraja, Jamalam and Rusman, Bujang and Wawan, - (2016) Ilmu Tanah: Dasar-dasar dan Pengelolaan. Kencana, Prenada Media Group, Jakarta. ISBN 9786020895925

Other

Syarif, Admi and Wamiliana, Wamiliana and Lumbanraja, Jamalam (2020) Study on genetic algorithm (GA) approaches for solving Flow Shop Scheduling Problem (FSSP). iops.

Supriatin, Supriatin and Salam, Abdul Kadir and Lumbanraja, Jamalam and Novpriansyah, Hery (2018) Ekstraksi dan Pengukuran Selenium pada Beberapa Sampel Tanah Tropika. -. (Unpublished)

Supriatin, Supriatin and Sarno, - and Lumbanraja, Jamalam and Dermiyati, - (2017) Penetapan Sampel Tanah Standar untuk Menjamin Mutu (Quality Control) Hasil Analisis Sampel Tanah di Laboratorium Ilmu Tanah Universitas Lampung. -. (Unpublished)

Dermiyati, - and Lumbanraja, Jamalam and Triyono, Sugeng and Ismono, R Hanung (2017) Hasil Penelitian unggulan Universitas Lampung dengan judul " Pengembangan Pupuk Organonitrofos Plus dan Diseminasinya pada Kelompok Tani". Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) UNIVERSITAS LAMPUNG.

Lumbanraja, Jamalam and Syam, Tamaluddin and Supriatin, Supriatin (2017) SINOPSIS KEGIATAN TALK SHOW (WAWANCARA) TVRI BANDAR LAMPUNG,15 Agustus 2017 Jurusan : Ilmu Tanah Fakultas Pertanian Universitas Lampung Tema : Sistim Pertanian “Tepat”Precision Agriculture-PA) Menunjang Sistim Pertanian Berkelanjutan. -. (Unpublished)

Lumbanraja, Jamalam and Sarno, - and Afrianti, Nur Afni (2017) SINOPSIS KEGIATAN TALK SHOW (WAWANCARA) RADAR TV BANDAR LAMPUNG, 20 JULI 2017 Jurusan : Ilmu Tanah Fakultas Pertanian Universitas Lampung Tema : Manajemen Pemupukan Nara Sumber: 1.Prof. Dr. Ir. Jamalam Lumbanraja (Dosen Senior Jurusan Ilmu Tanah) 2.Ir. Sarno, M.S. (Kepala Laboratorium Ilmu Tanah) 3.Nur Afni Afrianti, M.Sc. (Sekretaris Jurusan Ilmu Tanah). -. (Unpublished)

Hasibuan, Rosma and Lumbanraja, Jamalam (2017) Penanganan Hama Penyakit Tanaman Yang Bersumber Dari Tanah (Soil Borne Disease) Melalui Pengolahan Tanah yang Baik. University of Lampung, Bandar Lampung, Lampung.

This list was generated on Wed Nov 25 05:47:56 2020 WIB.