Afrianti, Nur Afni and Kartini, Bunga and Sarno, - and Novpriansyah, Hery and Supriatin, Supriatin and Utomo, Muhajir (2023) PENGARUH SISTEM OLAH TANAH DAN PEMBERIAN PUPUK NITROGEN JANGKA PANJANG TERHADAP KANDUNGAN ASAM HUMAT DAN ASAM FULVAT TANAH KE-34 DI POLITEKNIK NEGERI LAMPUNG. AGROTEK TROPIKA, 11 (4). pp. 687-694. ISSN 2337-4993

Supriatin, Supriatin and Sarno, - and Dermiyati, - and Salam, Abdul Kadir (2023) PENENTUAN REKOMENDASI PEMUPUKAN TANAMAN PADI SAWAH MELALUI UJI TANAH DI DESA WONODADI UTARA KABUPATEN PRINGSEWU, LAMPUNG. Jurnal Pengabdian Fakultas Pertanian Universitas Lampung, 2 (1). pp. 123-134. ISSN 2829-2235

Aswiguna, Septian and Sarno, - and Afrianti, Nur Afni and Supriatin, Supriatin (2022) PENGARUH PEMBERIAN BIOCHAR BATANG SINGKONG DAN PEMUPUKAN P TERHADAP SERAPAN HARA N DAN K PADA TANAMAN JAGUNG (ZEA MAYS L.). AGROTEK TROPIKA, 10 (3). pp. 455-459. ISSN 2337-4993

Rugayah, Rugayah and Sari, Antika and Karyanto, Agus and Sarno, - (2022) APPLICATION OF PACLOBUTAZOL AND NPK FERTILIZER TO PROMOTE FLOWERING OF SPATIFILUM (Spathiphyllum wallisii Regel). Jurnal Agrotek Tropika, 10 (3). pp. 447-454. ISSN 2337-4993

Prasetyo, Dedy and Fajarindo, Fadil and Sarno, - and Supriatin, Supriatin and Syam, Tamaluddin (2022) APLIKASI BIOCHAR BATANG SINGKONG DAN PEMUPUKAN FOSFAT PADA TANAH ULTISOL TERHADAP P TERSEDIA, PERTUMBUHAN, DAN PRODUKSI JAGUNG (Zea mays L.). AGROTEK TROPIKA, 10 (2). pp. 329-337. ISSN 2337-4993

Evizal, Rusdi and Sarno, - and Rini, Maria Viva and Septiana, Liska Mutiara and Sugiatno, Sugiatno and Sanjaya, Purba and Azizah, Puput (2022) Pertumbuhan Bibit Lada (Piper nigrum), Melada (Piper colubrinum dan Lada Sambung pada Sistem Pembibitan Jenuh Air. Jurnal Agrotek Tropika, 10 (2). pp. 227-236. ISSN 2337-4993

Setiawan, Febri and Sarno, - and Afrianti, Nur Afni and Supriatin, Supriatin (2022) PENGARUH PEMBERIAN BIOCHAR BATANG SINGKONG DAN PEMUPUKAN P TERHADAP SIFAT KIMIA TANAH ULTISOL YANG DITANAMI JAGUNG ( Zea mays L.). AGROTEK TROPIKA, 10 (1). pp. 85-94. ISSN 2337-4993

Hamzah, Akbar and Lumbanraja, Jamalam and Supriatin, Supriatin and Sarno, - and Amalia, Riajeng Hanum and Satgada, Catur Putra and Zulkarnain, Eldineri and Awang, Tegar Rafshodi and agustina, wiwik (2022) PENGARUH PUPUK ORGANONITROFOS, PUPUK NPK DAN KOMBINASINYA TERHADAP POPULASI, PRODUKSI, DAN HARA TERANGKUT C, N, P TANAMAN TEBU (Saccharum Officinarum L.) RATOON 2 DI TANAH ULTISOL GEDUNG MENENG. AGROTEK TROPIKA, 10 (1). pp. 57-66. ISSN 2337-4993

Salam, Abdul Kadir and Rizki, Distra Olya and Santa, I Made Theo Dwi and Supriatin, Supriatin and Septiana, Liska Mutiara and Sarno, - and Niswati, Ainin (2022) The biochar-improved growth-characteristics of corn (Zea mays L.) in a 22-years old heavy-metal contaminated tropical soil. IOP Conf. Series: Earth and Environmental Science, 1034. pp. 1-10. ISSN 1755-1315

Salam, Abdul Kadir and Pakpahan, Asri F and Susilowari, Galih and Fernando, Niko and Sriyani, Nanik and Sarno, - and Hery, Novpriansyah and Sri, Yusnaini and Dermiyati, - (2021) The Residual Copper and Zinc in Tropical Soil Over 21 Years after Amendment with Heavy-Metal Containing Waste, Lime, and Compost. Applied and Environmental Soil Science, 2021. pp. 1-14.

Salam, Abdul Kadir and Pakpahan, Asri F and Susilowati, Galih and Fernando, Niko and Sriyani, Nanik and Sarno, - and Novpriansyah, Hery and Yusnaini, Sri and Dermiyati, - (2021) The Residual Copper and Zinc in Tropical Soil over 21 Years after Amendment with Heavy Metal Containing Waste, Lime, and Compost. Applied and Environmental Soil Science, 2021. pp. 1-14.

Agustin, Mislan and Supriatin, Supriatin and Utomo, Muhajir and Sarno, - (2021) PENGARUH SISTEM OLAH TANAH DAN RESIDU PEMUPUKAN N JANGKA PANJANG TERHADAP KADAR N TOTAL TANAH, SERAPAN N DAN PRODUKSI KACANG TUNGGAK (Vigna unguiculata L.). Agrotek Tropika, 9 (2). pp. 227-237. ISSN 2337-4993

Evizal, Rusdi and Prasmatiwi, Fembriarti Erry and Sarno, - and Nawansih, Otik and Miswar, dedi and Septiana, Liska Mutiara (2021) Penguatan Kelompok Tani Berbasis Produksi dan Agrowisata Kopi di Kecamatan Way Ratai, Kabupaten Pesawaran, Lampung. Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat, 7 (1). pp. 85-93. ISSN 2460-8572

Evizal, Rusdi and Wibowo, Lestari and Novpriansyah, Hery and Sarno, - and Sari, Rina Yunika and Prasmatiwi, Fembriarti Erry (2020) Keragaan Agronomi Tanaman Kelapa Sawit pada Cekaman Kering Periodik. Journal of Tropical Upland Resources, 2 (1). pp. 60-68. ISSN 2686-5254

Sirait, Rumse Fitriana and Sarno, - and Afrianti, Nur Afni and Niswati, Ainin (2020) THE EFFECT OF BIOCHAR APPLICATION AND NITROGEN FERTILIZING ON THE AVAILABILITY OF SOIL NPK TOWARD SWEET CORN (Zea mays L.) AGRICULTURE. Jurnal Agrotek Tropika, 8 (1). pp. 37-46. ISSN 2337-4993

Andita, Ratna Ayu and Sarno, - and Utomo, Muhajir and Salam, Abdul Kadir (2019) PENGARUH SISTEM OLAH TANAH DAN PEMUPUKAN NITROGEN JANGKA PANJANG TERHADAP KANDUNGAN ASAM HUMATDAN ASAM FULVAT PADA TANAMAN JAGUNG (Zea mays L.) TAHUN KE-29 DI LAHAN POLITEKNIK NEGERI LAMPUNG. AGROTEK TROPIKA, 7 (2). pp. 361-370. ISSN 2337-4993

Evizal, Rusdi and Wibowo, Lestari and Novpriansyah, Hery and Sarno, - and Sari, Rina Yunika and Prasmatiwi, Fembriarti Erry (2019) Keragaan Agronomi Tanaman Kelapa Sawit pada Cekaman Kering Periodik. In: Seminar Nasional Lahan Kering ke 5, 9-11 September 2019, Bandarlampung. (Unpublished)

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

Pangaribuan, Darwin H and Sarno, - and Hendarto, Kus (2019) Korespondensi: Liquid Organic Fertilizer from Plant Extracts Improves the Growth, Yield and Quality of Sweet Corn (Zea mays L. var. saccharata). Universitas Putra Malaysia, Malaysia.

Pangaribuan, Darwin H and Sarno, - and Hendarto, Kus (2019) Similarity Rate: Liquid Organic Fertilizer from Plant Extracts Improves theGrowth, Yield and Quality of Sweet Corn (Zea mays L. varsaccharata). Universitas Putra Malaysia, Malaysia.

Pangaribuan, Darwin H and Sarno, - and Hendarto, Kus and Priyanto, Priyanto and Darma, Ajeng Kusuma and Aprillia, Tika (2019) Similarity Rate Turnitin OK: Liquid Organic Fertilizer from Plant Extracts Improves the Growth, Yield and Quality of Sweet Corn (Zea mays L. var. saccharata). Universiti Putra Malaysia,, Kuala Lumpur, Malaysia.

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.

Andita, Ratna Ayu and Sarno, - and Utomo, Muhajir (2019) PENGARUH SISTEM OLAH TANAH DAN PEMUPUKAN NITROGEN JANGKA PANJANG TERHADAP KANDUNGAN ASAM HUMATDAN ASAM FULVAT PADA TANAMAN JAGUNG (Zea mays L.) TAHUN KE-29 DI LAHAN POLITEKNIK NEGERI LAMPUNG. AGROTEK TROPIKA, 7 (2). pp. 361-370. ISSN 2337-4993

Niswati, Ainin and Sarno, - and Supriatin, Supriatin (2019) Pengeloaan Lahan Kering Masam. Sinopsis Kegiatan Talkshow "Faperta Berkarya" Radar TV Lampung, 18 April 2019. -. (Unpublished)

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

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

Pangaribuan, Darwin H and Sarno, - (2018) Similarity Rate article: Growth and yield of sweet corn as affected by paddy straw plant compost and potassium fertilizer. ISHS, Belgium.

Pangaribuan, Darwin H and Sarno, - and monica, monica (2018) Growth and yield of sweet corn as affected by paddy straw plant compost and potassium fertilizer. Acta Horticulturae, 1208. pp. 281-286. ISSN 0567-7572

Pangaribuan, Darwin H and Sarno, - (2018) Peer review Article: Growth and yield of sweet corn as affected by paddy straw plant compost and potassium fertilizer. ISHS, Belgium.

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

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)

Pangaribuan, Darwin H and Sarno, - and Kurniawan, Chandra (2017) PENGARUH PUPUK CAIR URINE SAPI TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS ( Zea mays L.). JURNAL METAMORFOSA, 4 (2). pp. 202-209. ISSN 2302-5697

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)

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)

Bhakti, Raden Saleh Ganda and Sarno, - and Afrianti, Nur Afni and Utomo, Muhajir (2017) PENGARUH SISTEM OLAH TANAH DAN APLIKASI MULSA BAGAS TERHADAP ASAM HUMAT DAN FULVAT PERTANAMAN TEBU (Saccharum officinarum L.) RATOON KE 3 DI PT GUNUNG MADU PLANTATIONS. Agrotek Tropika, 5 (2). pp. 119-124. ISSN 2337-4993

Putra, Restu Yaasin Adi and Sarno, - and Wiharso, Didin and Niswati, Ainin (2017) PENGARUH PENGOLAHAN TANAH DAN APLIKASI HERBISIDA TERHADAP KANDUNGAN ASAM HUMAT PADA TANAH ULTISOL GEDUNG MENENG BANDAR LAMPUNG. Jurnal Agrotek Tropika, 5 (1). pp. 51-56. ISSN 2337-4993 (Submitted)

Pangaribuan, Darwin H and Sarno, - and Kurniawan, Chandra (2017) PENGARUH PUPUK CAIR URINE SAPI TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS ( Zea mays L.). JURNAL METAMORFOSA, IV (2). pp. 202-209. ISSN ISSN: 2302-5697

Sari, Debby Novita and Yusnaini, Sri and Niswati, Ainin and Sarno, - (2016) Pengaruh Dosis dan Ukuran Butir Pupuk Fosfat Super yang Diasidulasi Limbah Cair Tahu terhadap Serapan P dan Pertumbuhan Tanaman Jagung (Zea mays L.). Jurnal Agrotek Tropika, 4 (1). pp. 81-85. ISSN 2337-4993

Niswati, Ainin and Yusnaini, Sri and Sarno, - (2014) Potency of Agroindustrial Wastewaters for Increasing Dissolution of Phosphate Rock Fertilizers. Journal of Tropical Soils, 19 (1). pp. 43-51. ISSN 0852-257X

Igunsyah, Topan R. and Yusnaini, Sri and Sarno, - and Niswati, Ainin (2013) Effect of Shrimp Head Waste on pH and Qualyti Of Tofu Liquid Waste as an Material Basis Liquid Organicfertilizer. In: Seminar Nasional Sains & Teknologi V, 19--20 November 2013, Bandar Lampung.

Sarno, - and Hapsari, Yulian Trisna (2012) Pengaruh Aplikasi Asam Fulvat dan Pupuk N Terhadap Pertumbuhan dan Serapan N pada Tanaman Bayam (Amaranthus spp.). In: Seminar Nasional sains Matematika Informatika dan Aplikasinya III (SMAIP III),, 28– 29 Juni 2012, Universitas Lampung, Bandar Lampung.

Sarno, - and Fitria, Eliza (2012) Pengaruh Aplikasi Asam Humat dan Pupuk N terhadap Pertumbuhan dan Serapan N pada Tanaman Bayam (Amaranthus spp.). In: Seminar Nasional sains Matematika Informatika dan Aplikasinya III (SMAIP III), 28– 29 Juni 2012, Universitas Lampung, Bandar Lampung.

Sarno, - (2009) Pengaruh Kombinasi NPK dan Pupuk Kandang terhadap Sifat Tanah dan Pertumbuhan serta Produksi Tanaman Caisim. Journal of Tropical Soils, 14 (3). pp. 211-219. ISSN 0852-257X

Watanabe, A and Takada, H and Sarno, - and Afandi, . and Adachi, T and Oki, Y and Senge, M (2007) Assessment of degradation and generation of humus in a coffee soil affected by weed cover by means of a stable carbon isotopic ratio. European Journal of Soil Science, 58 (5). pp. 1042-1049. ISSN 1365-2389

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

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

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

Salam, Abdul Kadir and Sarno, - and Sriyani, Nanik (1999) Greenhouse Growth of Amaranth (Amaranthus Tricolor L.) in Soils Polluted with Heavy Metals. Jurnal Agrotropika, 4 (1). pp. 30-36. ISSN 0216-7662

Salam, Abdul Kadir and Sriyani, Nanik and Sarno, - (1999) Pertumbuhan Tanaman Jagung (Zea mays L.) di Tanah Terpolusi Limbah Industri Berlogam Berat. Journal of Tropical Soils, 4 (2). pp. 161-168. ISSN 0852-257X

Salam, Abdul Kadir and Sarno, - and Kulsum, Nayu and Setyaningsih, Eka (1999) Studi Penyerapan Cu dan Zn oleh tanaman bayam (Amaranthus tricolor L.) dan jagung (Zea mays L.) dari tanah Alfisol Banjar Agung Lampung yang diperlakukan dengan limbah industri berlogam berat. Jurnal Tanaman Tropika, 2 (1). pp. 41-51. ISSN 1410-7368

Salam, Abdul Kadir and Djuniwati, Sri and Sarno, - (1998) Perubahan Kelarutan Tembaga dan Kadmium dalam Kolom Tanah dengan Perlakuan Kapur dan Kompos Daun Singkong akibat Pencucian dengan Air. Journal of Tropical Soils, 4 (1). pp. 43-50. ISSN 0852-257X

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.

Salam, Abdul Kadir and Sarno, - and Sriyani, Nanik (1998) Tanggapan Tanaman Jagung terhadap Limbah Industri Berlogam Berat di Tanah Ultisol Sidosari Natar Lampung. Prosiding Seminar Nasional dan Pertemuan Tahunan Komisariat Daerah HITI Tahun 1998 (2). pp. 436-441. ISSN 979-95354-1-7

Salam, Abdul Kadir and Djuniwati, Sri and Sarno, - (1997) Lowering Heavy Metal Solubilities in Tropical Soils by Lime and Cassava-Leaf Compost Additions. Proc. Environmental Technology and Management Seminar. D2-11. ISSN 979-8456-18-1

Salam, Abdul Kadir and Djuniwati, Sri and Sarno, - and Sriyani, Nanik and Novpriansyah, Hery and Septiana, Alia and Widiarini, D P (1997) The Immobilization of Heavy Metals by A Tropical Andepts Treated with Lime and Organic Composts. Indonesian Journal of Tropical Agriculture, 8 (2). pp. 24-28. ISSN 0852-5927

Salam, Abdul Kadir and Djuniwati, Sri and Sarno, - and Harahap, J Tagor (1997) Kapur dan Kompos Daun Singkong Meningkatkan Kelarutan Tembaga dan Seng Asal Limbah Industri di Tanah Andisol dari Gisting Lampung. Journal of Tropical Soils, 2 (2). pp. 123-131. ISSN 0852-257X

Salam, Abdul Kadir and Djuniwati, Sri and Sarno, - and Sriyani, Nanik and Novpriansyah, Hery and Septiana, Alia and Putera, Helmi D. (1997) The DTPA-Extractable Heavy Metals in Tropical Soils Treated With Lime Materials. Indonesian Journal of Tropical Agriculture, 8 (1). pp. 6-12. ISSN 0852-5927

Agustin, Mislan and Supriatin, Supriatin and Utomo, Muhajir and Sarno, - PENGARUH SISTEM OLAH TANAH DAN RESIDU PEMUPUKAN N JANGKA PANJANG TERHADAP KADAR N TOTAL TANAH, SERAPAN N DAN PRODUKSI KACANG TUNGGAK (Vigna unguiculata L.). Jurnal Agrotek Tropika. ISSN 2337-4993 (In Press)