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All Journal Jurnal Penelitian Saintek Agrikultura Bionatura Journal of Tropical Soils Value Added: Majalah Ekonomi & Bisnis IJOG : Indonesian Journal on Geoscience Agrovigor: Jurnal Agroekoteknologi Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Agroteknos Jurnal Agro Kultivasi Business and Finance Journal Agroekoteknologi Tropika Lembab Soil REns Media Agribisnis Jurnal Tanah dan Iklim Indonesian Journal on Geoscience Indonesian Journal on Geoscience
Mahfud Arifin
Departemen Ilmu Tanah Dan Sumber Daya Lahan Fakultas Pertanian Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Public Health Social Sciences

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Journal : Kultivasi

 1 
Pemilihan teknik aplikasi dan dosis pupuk hayati pelarut kalium untuk meningkatkan serapan kalium dan pertumbuhan tanaman jagung pada tanah Inceptisols Diyan Herdiyantoro; Tualar Simarmata; Mieke Rochimi Setiawati; Nenny Nurlaeny; Benny Joy; Mahfud Arifin; Jajang Sauman Hamdani; Iin Handayani
Kultivasi Vol 21, No 1 (2022): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v21i1.35781

Abstract

AbstrakSalah satu strategi yang diterapkan pada pupuk hayati untuk menunjukkan efek positif pada tanaman yang diinokulasi adalah pemilihan teknik aplikasi dan dosis yang tepat, baik pada tanah, benih, atau kombinasi keduanya. Tujuan dari percobaan ini adalah mendapatkan teknik aplikasi dan dosis pupuk hayati pelarut K yang memberikan hasil terbaik terhadap penyerapan K dan pertumbuhan tanaman jagung (Zea mays L.) pada Inceptisols Jatinangor. Percobaan dilaksanakan pada November 2018-Januari 2019 di rumah kaca Fakultas Pertanian Universitas Padjadjaran. Percobaan menggunakan rancangan acak kelompok dengan 9 perlakuan dan 3 kali ulangan. Perlakuan terdiri dari tanpa perlakuan (kontrol), aplikasi pada benih 400 g.ha-1 dan 800 g.ha-1, aplikasi pada tanah 2 kg.ha-1 dan 4 kg.ha-1, dan kombinasi antara kedua teknik aplikasi dan dosis tersebut. Hasil percobaan menunjukkan aplikasi pupuk hayati pelarut K dengan dosis 4 kg.ha-1 dapat meningkatkan populasi BPK total 52,86% dibandingkan kontrol dan berkorelasi positif terhadap konsentrasi K2O (r=0,64**), serapan K (r=0,59**), dan diameter batang tanaman jagung (r=0,46*) yang dibudidayakan di tanah Inceptisols Jatinangor.Kata Kunci: Aplikasi pada tanah ∙ Aplikasi pada benih ∙ Bakteri pelarut kalium ∙ Dosis ∙ Jagung AbstractOne of the strategies applied to biofertilizers to show a positive effect on the inoculated plants is the selection of the appropriate application technique and dose in soil, seeds, or a combination of both. The purpose of this experiment was to obtain the application technique and dose of potassium (K) solubilizing biofertilizer that gave the best results on K uptake and growth of maize (Zea mays L.) on Inceptisols of Jatinangor. The experiment was performed in November 2018-January 2019 in the greenhouse of the Faculty of Agriculture, Universitas Padjadjaran. The experiment used a single factor randomized block design with 9 treatments and 3 replications. The treatments consisted of control, seed treatment at doses of 400 g.ha-1 and 800 g.ha-1, soil treatment at doses of 2 kg.ha-1 and 4 kg.ha-1, and a combination of the two techniques application and doses. The results showed that the application of K solubilizing biofertilizer at a dose of 4 kg.ha-1 could increase the total PSB population by 52.86% compared to control and it was positively correlated with concentration of K2O (r=0.64**), K uptake (r=0.59**), and maize stem diameter (r=0.46*) grown on Inceptisols of Jatinangor.Keywords: Soil treatment ∙ Seed treatment ∙ Potassium solubilizing bacteria ∙ Dose ∙ Maize
Shallot cultivation originated from true shallot seed (TSS) on Andisols enriched with various ameliorants Aprianto, Fahmi; Arifin, Mahfud; Sofyan, Emma Trinurani
Kultivasi Vol 22, No 3 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i3.48453

Abstract

Application of soil ameliorants is important to improve Andisols properties and increase shallot productivity. The research objective is to determine the kind of ameliorant which the best effect on the growth and productivity of shallots originating from TSS in Andisols Lembang, West Java. The experiment was conducted in Margahayu Research Station, Lembang, West Java from January to May 2021. A randomized block design (RBD) with 6 treatments and 5 replications was set up in the field. Treatments include control (no ameliorant), 20 tons/ha of horse manure, 10 tons/ha of rice straw compost, 10 tons/ha of bamboo leaf compost, 10 tons/ha of husk biochar, and 5 kg/ha humic acid. The results showed that vegetative performance and yield of true shallot seed-based shallot variety of Trisula in Andisols enriched with rice straw compost was higher than in other ameliorant treatments. Additionally, nutrient uptake in rice straw compost treatment was also higher than in other ameliorant treatments.
Growth response of tomatoes to application of bacterial-coated NPK fertilizer in a pot experiment Hindersah, Reginawanti; Kaffah, Ruhnayati; Aisyah, Ayu Siti; Setiawati, Mieke Rochimi; Arifin, Mahfud
Kultivasi Vol 23, No 2 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i2.54150

Abstract

Nitrogen-fixer and phosphate-solubilizer bacteria increase the chemical-fertilizer efficiency and soil health. Bacterial-coated NPK fertilizer is a novel approach for intensifying biofertilizer application in vegetable production. The study aimed to observe the compatibility between two Azotobacter species and two Bacillus species, their population on two formulations of bacterial-coated NPK fertilizer (BCN), and the effect of BCN dose on growth, N and P content, and their uptake in tomato shoots. The compatibility test was performed using the streak method. The population of Azotobacter and Bacillus were counted for two formulations of NPK fertilizer coated by solid biofertilizer (5% and 10%) and zeolite (1% and 5%). The pot experiment was conducted in a randomized block design with four treatments and six replications. The treatments were 100% recommended doses of conventional NPK fertilizer (700 kg/ha) and 100%, 80%, and 60% doses of BCN. The results showed four bacterial species were compatible, indicated by synergistic growth on the plate agar. The BCN formula using 5% liquid inoculant and 5% zeolite has higher cell viability. The BCN enhanced stem thickness and leaves number but did not change the plant height, dry weight, N and P content, and their uptake in shoots. Applying 60% of BCN caused greater stem thickness and leaf number. Despite being insignificantly different from another treatment, that dose increased the biomass and the shoot uptake of N and P. The NPK fertilizer coated by Azotobacter and Bacillus has the potency to increase tomato growth and NPK fertilizer dose.
Co-Authors A. Leonardo, Patrick Abraham Suriadikusumah Ade Setiawan Ade Setiawan Aisyah, Ayu Siti AKTAVIA HERAWATI Anindita, Sastrika Anne Yuliana Anni Yuniarti Apong Sandrawati Apong Sandrawati Apong Sandrawati Ari Ganjar Herdiansah Asep Purnama Hidayat Bambang Syairudin, Bambang Benny Joy Benny Joy Darsiti, Tita Daud Siliwangi Saribun Dedi Widayat Dewi Dahliani Diyan Herdiyantoro Emma Trinurani Sofyan Fahmi Aprianto, Fahmi Fajri Syahid Nurhakim Ferdy Firmansyah Ferina Rosiana Fetty Rahmayanti Fuad Achmadi Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah, Ganjar Hasbullah Syaf Herman Soeriaatmadja Iin Handayani Iin Susilawati Indra Permana Jajang Sauman Hamdani Kaffah, Ruhnayati Mauludy, Noor Muhammad Maya Damayani Maya Damayani Mieke Rochimi Setiawati Muhammad Amir Solihin Nenny Nurlaeny Novarina Darmawan Putri Nur Azizah Nurina Hanum Ayuningtias Oktaviani, Nurrani Pradhinto Dwi Nugroho Pujawati Suryatmana Putri, Noviani Rachmat Harryanto Ramadhan, Ilmi Reginawanti Hindersah Ridha Hudaya Ridha Hudaya Ridha Hudaya Ridha Hudaya Ridha Hudaya Rija Sudirja Rina Devnita Rudi Priyadi Sandrawati, Apong Santi Rosniawaty Shantosa Yudha Siswanto Sumbada, Rifyal Achmad Rivaldi Sunarya, Yaya - Teddy Marpaung Tien Turmuktini Tualar Simarmata Umami JM, Agnes Iko Umar Dani, Umar Yayan Sumekar Yuliati Machfud Yuyun Yuwariah