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All Journal Journal of Tropical Soils JURNAL AGROTEKNOLOGI Jurnal Pengabdian Nasional
Taisa, Rianida
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Social Sciences

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TRANSFER TEKNOLOGI PEMBENAH TANAH PADA GAPOKTAN SINAR HARAPAN DI DESA KRAWANGSARI, LAMPUNG SELATAN, SEBAGAI UPAYA PERBAIKAN KESUBURAN TANAH Pradana, Onny Chrisna P; Zaini, Akbar H; Wahyuni, Ari; Tianigut, Gut; Taisa, Rianida; Septiana, Septiana; Andini, Siti N
Jurnal Pengabdian Nasional Vol 5 No 2 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jpn.v5i2.3772

Abstract

Saat ini, petani di Desa Krawang Sari yang tergabung dalam Gapoktan Sinar Harapan dihadapkan dengan permasalahan kondisi lahan yang menurun status kesuburannya (pH tanah rendah). Kegiatan ini bertujuan untuk meningkatkan pengetahuan dan keterampilan anggota Gapoktan Sinar Harapan dalam penggunaan teknologi pembenah tanah sebagai upaya untuk menjaga kesuburan lahan pertanian. Kegiatan ini dilaksanakan selama empat bulan, yaitu pada bulan Mei—Agustus 2023. Proses transfer teknologi dilakukan dengan cara penyuluhan pertanian menggunakan teknik ceramah/presentasi, diskusi, demonstrasi cara, dan demonstrasi hasil. Evaluasi dilakukan dengan memberikan kuisioner yang berisi pertanyaan terkait materi penyuluhan yang telah diberikan. Perubahan kemampuan dalam menjawab pertanyaan menjadi indikator adanya perubahan pengetahuan yang dimiliki oleh petani. Sementara untuk peningkatan keterampilan petani dapat dilihat pada saat dilakukannya kegiatan praktik, baik dalam bentuk demonstrasi cara dan hasil. Dari kegiatan demonstrasi cara dan hasil yang telah dilakukan pada demplot tanah percobaan didapati adanya peningkatan pH tanah pada tanah yang telah diaplikasikan pembenah tanah, baik zeolite maupun dolomit. Pada demplot pertama, diperoleh pH tanah awal dengan nilai rata-rata 5,7 kemudian setelah diaplikasikan zeolite nilai rata-rata pH tanahnya naik menjadi 5,9. Sementara itu, pada demplot kedua diperoleh pH tanah awal dengan nilai rata-rata 5,6 kemudian setelah diaplikasikan dolomit nilai rata-rata pH tanahnya menjadi 6.
Effectiveness of Organonitrofos Plus Fertilizer on Sweet Corn and Soil Chemical Properties of Ultisols Dermiyati, .; Utomo, Setyo Dwi; Hidayat, Kuswanta Futas; Lumbanraja, Jamalam; Triyono, Sugeng; Ismono, Hanung; Ratna, Ni’malia Estika; Putri, Nidya Triana; Taisa, Rianida
JOURNAL OF TROPICAL SOILS Vol. 21 No. 1: January 2016
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2016.v21i1.9-17

Abstract

This study aimed to examine Organonitrofos Plus fertilizer (OP) on sweet corn (Zea mays Saccharata L.) and its effect on changes in soil chemical properties of Ultisols. Organonitrofos Plus fertilizer is an enhancement of Organonitrofos fertilizer enriched with microbes at the beginning of the manufacturing process. Research was conducted in the greenhouse of Integrated Agricultural Laboratory of Lampung University. Treatment applied was a factorial of 4 × 2 × 3 with three replications in a randomized block design. The first factor was the dose of OP fertilizer (0, 10, 20, 30 Mg ha-1), the second factor was the dose of inorganic fertilizers (without inorganic fertilizers, and with inorganic fertilizers, namely Urea 0.44, 0.28 SP-36 and KCl 0.16 Mg ha-1), and the third factor was the dose of biochar (0, 10, 20 Mg ha-1). By a single OP fertilizers, inorganic fertilizers, and the interaction between the OP and the inorganic fertilizers increased the weight of dry stover, cob length, cob diameter, cob with husk and cob without husk of corn. OP fertilizers which are applied in Ultisols can improve soil fertility and increase corn production so that OP fertilizer can lessen the use of inorganic fertilizer and can be used as a substitute for inorganic fertilizer. RAE values were highest in treatment of O4K2B2 (30 Mg OP ha-1, with inorganic fertilizer, 10 Mg biochar ha-1) that was equal to 181%, followed by O2K2B3 (10 Mg OP ha-1, with inorganic fertilizer, 20 Mg biochar ha-1 ) with the difference in RAE value of 0.5%. [How to Cite: Dermiyati, SD  Utomo,  KF Hidayat, J Lumbanraja, S Triyono, H Ismono, NE  Ratna, NT Putri dan R Taisa. 2016. Pengujian Pupuk Organonitrofos Plus pada Jagung Manis (Zea mays Saccharata. L) dan Perubahan Sifat Kimia Tanah Ultisols. J Trop Soils 21: 9-17 Doi: 10. 10.5400/jts.2016.21.1.9]
Improvement of Soil Chemical Properties and Growth of Maize due to Biochar Application on Ultisol Taisa, Rianida; Maulida, Desi; Salam, Abdul Kadir; Kamal, Muhammad; Niswati, Ainin
JOURNAL OF TROPICAL SOILS Vol. 24 No. 3: September 2019
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2019.v24i3.101-107

Abstract

Ultisols have poor soil characteristics, yet biochar is one of the technologies that can be applied as a soil enhancer to improve the soil quality. Biochar has succeeded in improving soil quality, through improving soil physical, chemical, and biological properties. This research aimed to improve the quality of soil chemical properties and growth of maize plant, as well as to find a combination between biochar type and dosage of biochar that is able to improve the chemical properties of Ultisols and/or the growth of maize plant. This research was conducted at the Greenhouse and Soil Science Laboratory, Faculty of Agriculture, University of Lampung. This study used a randomized block design (RBD) arranged in factorial with 3 factors and 3 replications. The first factor was the soil layer (topsoil and subsoil), the second factor was the type of biochar (biochar of cocoa shell and biochar of oil palm shell), and the third factor was the biochar dosage (0, 10%, 20%, and 30% of 10 kg of oven dry weight soil). The results showed that (1) the application of biochar from the  cocoa shell and oil palm shell on Ultisols improved some parts of soil chemical properties, namely CEC, organic C, and Kexc, (2) application of biochar from the cocoa shell and oil palm shell on Ultisols increased the plant height, the number of leaves, and the dry weight of maize, (3) application of biochar from the cocoa shell at a dosage of 20% was significantly improved CEC of Ultisols (4) application of biochar from the cocoa shell in top soil at a dosage of 30% significantly improved the soil organic C of Ultisol, (5) application of  biochar from cacao shell at a dosage of  30%  was significantly improved Kexc, (6) application of biochar from oil palm shell at a dosage of 10% significantly increased maize plant growth.
ANALISIS KOMPARATIF PERTUMBUHAN DAN HASIL TANAMAN BAWANG MERAH (Allium Cepa L. Aggregatum) BERDASARKAN UKURAN BAHAN TANAM Suhartanto, Mohamad Rahmad; Wahyuni, Ari; Cintaning, Anis Bias; Nabila, Diah Ayu; Neti, Natali; Sinaga, Tamara Rudang Astari; Wentasari, Risa; Taisa, Rianida; Karmaita, Yummama
Jurnal Agroteknologi Vol 16, No 1 (2025): Agustus 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v16i1.37633

Abstract

Shallot development faces an obstacle, specifically the availability of quality seeds. Onion propagation is usually done conventionally with vegetative propagation methods using bulbs as seeds. The aims of study were to determine the effect of the size of the shallot bulb planting material on the growth and production of shallots, to obtain the variables used in selecting the size of the shallot bulbs.The research was conducted at Leuwikopo Experimental Farm in Dramaga, Bogor from February to May 2024. The experiment was conducted by comparing two treatments and each treatment was repeated 9 times. The treatment used was bulb size, especially large and small. The data obtained were tested using the t-student test at the 5% α level, which compares the results of observations between large and small bulbs. The variable observed consisted of plant height, number of shoots, number of leaves, number of bulbs, number of multiplications, wet weight, and dry weight of bulbs. The results showed that different sizes of bulbs used as shallot plant propagation materials affect the growth and production of shallots. Shallot seeds with large bulb sizes produce better growth than small bulbs. The size of large and small bulbs produces output in the form of variable of the number of bulbs per clump, and wet and dry weights of bulbs that are not different. The variables number of leaves, number of shoots, dry bulb weight, and multiplication rate can be used as characteristics for selecting bulb size.
Co-Authors Abdul Kadir Ainin Niswati, Ainin Andini, Siti N Ari Wahyuni Cintaning, Anis Bias Dermiyati, . Jamalam Lumbanraja Karmaita, Yummama Kuswanta Futas Hidayat Mohamad Rahmad Suhartanto Muhammad Kamal Nabila, Diah Ayu Neti, Natali Pradana, Onny Chrisna P Putri, Nidya Triana R Hanung Ismono Ratna, Ni’malia Estika Risa Wentasari SEPTIANA SEPTIANA Setyo Dwi Utomo Sinaga, Tamara Rudang Astari Sugeng Triyono Tianigut, Gut Zaini, Akbar H