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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Jurnal Ilmu Pertanian Agrikultura Jurnal Natur Indonesia Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology Buletin Plasma Nutfah JTSL (Jurnal Tanah dan Sumberdaya Lahan) Cannarium (Jurnal Ilmu-ilmu Pertanian) Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Agro Jurnal Ilmiah Pertanian Jurnal Penelitian Pertanian Terapan Kultivasi Jurnal Teknologi Mineral dan Batubara AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Jurnal Bina Praja SAINS TANAH - Journal of Soil Science and Agroclimatology Indonesian Mining Journal Biosaintifika: Journal of Biology & Biology Education Jurnal Agrotek Tropika jurnal Ilmu Pertanian (Agricultural Science) AGROLOGIA : Jurnal Ilmu Budidaya Tanaman JURNAL BUDIDAYA PERTANIAN Soil REns Jurnal Tanah dan Iklim Jurnal Agrotropika Jurnal Perspektif Pembiayaan dan Pembangunan Daerah International Journal of Agriculture System AGRIC Jurnal Teknologi Mineral dan Batubara Indonesian Mining Journal Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat AGROLOGIA: Jurnal Budidaya Tanaman
Reginawanti Hindersah
Departemen Ilmu Tanah Fakultas Pertanian Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Veterinary

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Yield and Fruits Quality of Potted-Strawberry Grown with Bacillus-Coated NPK Fertilizer Hindersah, Reginawanti; Fitriatin, Betty Natalie; Setiawati, Mieke Rochimi; Suryatmana, Pujawati; Risanti, Rara Rahmatika; Aditya, Fasa; Nugraha, Gita Bina
Jurnal Agroekoteknologi Vol 17, No 1 (2025)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v17i1.31809

Abstract

NPK fertilizer coated with rhizobacteria Bacillus supports biofertilizer use while reducing the dose of NPK fertilizer. The objective of the greenhouse experiment was to analyze the growth and fruit production of potted strawberries following Bacillus-coated NPK 16-16-16 (BCN). The research was set up in a Completely Randomized Block Design that tested four BCN dosage and type combinations. The control treatment consisted of no fertilizer and complete and a half dosage of NPK fertilizer 16-16-16. The results showed that the shoot height and the fruit number of strawberry cv Festival were not affected by NBB application, but the type of NPK fertilizer affected the fruit weight per plant and sweetness. A complete dosage of BNN formula C produced the most significant fruit weight, but the highest sweetness was obtained from plants treated with half the dose of NPK conventional fertilizer. However, one or half doses of NBB formula G reduced the fruit sweetness. This experiment shows the potential of NBB to support strawberry production in a greenhouse, but a longer duration of the experiment is needed to obtain more harvest data.
BIOFERTILIZER-COATED UREA FOR PROMOTING YIELD OF LETTUCE AND REDUCING NITROGEN FERTILIZER DOSE IN FIELD EXPERIMENT Hindersah, Reginawanti; Rhasajati, Dhia; Risanti, Rara; Setiawati, Mieke; Fitriatin, Betty
Agric Vol. 35 No. 2 (2023)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2023.v35.i2.p193-204

Abstract

Aplikasi urea secara intensif dianggap berpotensi menurunkan kualitas tanah, dan kualitas pangan. Kendala aplikasi urea di daerah tropis adalah rendahnya efektifitas karena pencucian dan volatilisasi yang intensif. Penurunan dosis urea dapat dilakukan dengan mengintensifkan aplikasi pupuk hayati karena murah dan terbarukan. Pelapisan urea dengan pupuk hayati dapat memudahkan aplikasi kedua jenis pupuk. Dalam penelitian kami sebelumnya, urea berlapis pupuk hayati padat telah diformulasikan dengan menggunakan Bacillus subtilis, B. megaterium, Azotobacter chroococcum dan A. vinelandii. Penelitian ini bertujuan untuk membuktikan pengaruh urea berlapis pupuk hayati (UBPH) terhadap pertumbuhan dan hasil tanaman selada (Lactuca sativa L.) cv. Romain; dan penurunan dosis urea pada satu musim tanam. Percobaan lapang menggunakan rancangan acak kelompok dengan lima perlakuan dan lima ulangan. Pertanaman selada diberi satu dan setengah dosis dari dua formulasi UBPH. Hasil penelitian menunjukkan bahwa tidak ada perbedaan pertumbuhan, serapan P dan hasil yang nyata antara tanaman yang diberi UBPH dan urea konvensional tetapi setengah dosis UBPH menghasilkan produktivitas selada yang sama dengan satu dosis urea konvensional. Aplikasi setengah dosis UBPH menghasilkan serapan N tajuk yang sama dengan satu dosis urea meskipun terdapat satu formula UBPP yang menurunkan serapan N. Hasil penelitian menunjukkan bahwa aplikasi pupuk urea yang dilapisi dengan pupuk hayati padat dapat disarankan untuk mendukung budidaya selada dan mengurangi dosis urea.
Efektifitas Azotobacter chroococcum dalam Proses Bioremediasi Tanah Terkontaminasi Limbah Minyak Bumi Menggunakan Bakteri Petrofilik Suryatmana, Pujawati; Latifah, Tipah; Kamaluddin, Nadia Nuraniya; Hindersah, Reginawanti; Setiawati, Mieke Rochimi
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66113

Abstract

Bioremediation is a method for restoring land contaminated by waste, utilizing the activity of microorganisms to reduce and eliminate the toxicity levels of pollutants. A major challenge in the bioremediation of petroleum waste is the extremely low solubility of petroleum and the limited capacity of hydrocarbon-degrading bacteria. This study aims to examine the potential of petrophilic bacteria and Azotobacter chroococcum in enhancing hydrocarbon degradation efficiency, the viability of petrophilic bacteria and Azotobacter spp., and soil acidity characteristics (pH) during the bioremediation process. The experiment used a factorial randomized complete block design (RCBD) with two factors and three replications. The first factor was the type of petrophilic bacteria which consisted of two levels: (a0) without petrophilic bacteria, and (a1) 2% petrophilic bacterial inoculation per waste load. The second factor was the dose of Azotobacter chroococcum, consisted of four levels: (b0) without A. chroococcum, (b1) 0.5%, (b2) 1%, and (b3) 1.5% A. chroococcum. The results showed that soil pH decreased from a range of 8–9.1 to 6.6–6.7 after the bioremediation process, despite no significant differences were detected between treatments. Biodegradation efficiency increased with the application of A. chroococcum and petrophilic bacteria compared to the control, although no significant differences were found between the bacterial treatments. The application of A. chroococcum at 1% and 1.5% significantly increased Azotobacter population density. Overall, petrophilic bacteria and A. chroococcum demonstrated high effectiveness in improving biodegradation efficiency.
Bacillus-Coated Inorganic Fertilizer to Improve Plant Growth and Bacillus Count in the Rhizosphere of Broccoli Hindersah, Reginawanti; Setiawati, Mieke Rochimi; Suryatmana, Pujawati; Fitriatin, Betty Natalie; Chotimah, Andina; Dewi, Yeni Wispa; Risanti, Rara Rahmatika
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66092

Abstract

Inovasi pupuk Bacillus pembentuk endospora berlapis NPK diharapkan dapat mengatasi rendahnya ketersediaan fosfat pada tanah Andisol. Telah dilakukan percobaan pot untukmenganalisis dampak berbagai dosis dua jenis BCN terhadap pertumbuhan dan biomassa brokoli,serta terhadap populasi Bacillus di rizosfernya. Percobaan disusun dalam rancangan blok acak untukmenguji kombinasi jenis dan dosis BCN dibandingkan dengan NPK dan inokulan cair Bacillus. Tidakada kombinasi jenis dan dosis BCN yang mempengaruhi pertumbuhan brokoli umur 6 minggu,meskipun 100% BCN-B meningkatkan tinggi tanaman pada 2 minggu. Biomassa akar meningkatsetelah aplikasi 75% BCN-A, sedangkan 100% BCN-B meningkatkan biomassa pucuk. Populasi sporameningkat pada rizosfir tanaman dengan 100% BCN-B dan 75% dari kedua jenis BCN namun totalpopulasi sel vegetatif tidak dipengaruhi oleh BCN. Percobaan ini menyarankan penggunaan BCNuntuk meningkatkan pertumbuhan brokoli.
Growth and Yield of Strawberry Influenced by the Application of Phosphate Solubilizing Biofertilizer Fitriatin, Betty Natalie; Nakayama, Masakazu; Endo, Kenji; Hindersah, Reginawanti; Ariani, Nabila Syifa; Oktaviani, Meira
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66114

Abstract

Phosphorus availability in soil is one of the main limiting factors in the cultivation of horticultural crops, including strawberries. Although the total phosphorus content in the soil is relatively high, most of it is in a form that is not available to plants. Phosphate solubilizing microbes (PSM) play an important role in increasing the availability of phosphorus through the mechanism of dissolving insoluble phosphate compounds into forms that can be absorbed by plants.This study investigates the effect of phosphate solubilizing biofertilizer on the growth and yield of strawberry. Biofertilizer used phosphate solubilizing bacteria (Bacillus velezensis, Burkholderia mallei) and phosphate solubilizing fungi (Pseudallescheria boydii;  Talaromyces islandicus;  Penicillium janthinellum;  Trichoderma harzianum). The experimental design is randomized block design five treatments, with seven replications. Treatments are control, bio-encapsule of P-solubilizing bacteria, bioencapsule of P-solubilizing fungi, phosphate solubilizing bacteria in carrier base on peat, and phosphate solubilizing fungi in carrier base on peat. The results of the experiment showed that the application of phosphate solubilizing fungi with compost and peat carriers significantly improved vegetative growth parameters, including plant height, leaf number, and crown diameter. Although no significant differences were observed in fruit yield, PSB in microcapsule form showed promising results in enhancing fruit weight and size.
RESISTENSI AZOTOBACTER TERHADAP MERKURI DAN PENGARUHNYA PADA PERTUMBUHAN JAGUNG (ZEA MAYS L.) DI TAILING TAMBANG EMAS Hindersah, Reginawanti; Adawiah, Aliya Zahrah; Suryatmana, Pujawati; Dewi, Triyani
Jurnal Teknologi Mineral dan Batubara Vol 20 No 3 (2024): Jurnal Teknologi Mineral dan Batubara Edisi September 2024
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/jtmb.Vol20.No3.2024.1590

Abstract

Rhizobacteria from the N-fixing Azotobacter genera can be used as bioremediation agents. Azotobacter produces exopolysaccharides (EPS) that chelate heavy metals and synthesize metabolites to promote plant growth. This research aimed to analyze the resistance of the Azotobacter consortium isolated from tailings contaminated with mercury (Hg) in synthesizing secondary metabolites in liquid cultures contaminated with Hg, as well as the effect of the Azotobacter consortium on corn growth in various tailings-based media compositions containing Hg. The Hg resistance test was carried out using a completely randomized design with 100, 200, and 400 mg/L HgCl2 in N-free media. The greenhouse experiment was designed in a randomized block design to treat various concentrations of organic matter in the tailings. The results showed that Azotobacter isolates were able to survive in Ashby broth containing Hg up to 400 mg/L, and the consortium produced significant amounts of auxin, gibberellin, cytokinin, oxalic acid, citric acid, and EPS. In addition, Azotobacter increased corn growth in Hg-contaminated tailings with the addition of 6:4 compost (tailings: compost). Azotobacter is resistant to Hg up to 400 mg/L; as a consortium, it can produce secondary metabolites and has a good influence on the growth of corn in tailings containing Hg.
Biofertilizers and chemical fertilizer application for increasing the growth and yield of foxtail millet (Setaria italica (L.) P. Beauv.) in a pot experiment Hindersah, Reginawanti; Chotimah, Andina; Matsuura, Asana; Dewi, Yeni Wispa; Karuniawan, Agung
Jurnal AGRO Vol. 10 No. 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/28983

Abstract

Biofertilizers are recommended to improve crops yield but researches regarding biofertilizer inoculation on foxtail millet in Indonesia is still Tlimited. The objective of the experiment was to analyze the growth and yield responses of five local-millet accessions to Bacillus biofertilizer with reduced NPK fertilizer dose; and the germination rate of millet seeds. The pot experiment was arranged in randomized block design with 10 treatments and 10 replications. The treatments were combination of five millet accessions with one dose of NPK fertilizer, and half dose of NPK fertilizer with biofertilizer. Generally, half dose of NPK with Bacillus inoculation did not change the height of six-weeks old plant, and panicle weight and length of millet compared to one dose of NPK. However, this combined fertilizer increased plant height and panicle length of Mani-Mani 79. Reduced dose NPK with Bacillus inoculation increased panicles number of J3 but reduced that of Polman 3; moreover, this combined fertilizer increased the grain weight of J3 and J4, but decreased the yield of Polman 3. The Enrekang and Polman 3 accession had better germination rate; 92% and 89.33%, respectively. This research considered that Bacillus biofertilizer reduced NPK fertilizer dose by 50% and is suggested for growing millet.ABSTRAKPupuk hayati banyak disarankan untuk meningkatkan produksi tanaman tetapi riset mengenai inokulasi pupuk hayati pada jewawut aksesi lokal Indonesia belum banyak dilakukan. Percobaan ini bertujuan untuk menganalisis respons pertumbuhan dan hasil lima aksesi jewawut lokal terhadap inokulasi pupuk hayati Bacillus dan pengurangan dosis pupuk NPK; serta daya berkecambah biji jewawut setelah panen. Percobaan pot disusun dalam rancangan acak kelompok dengan 10 perlakuan dan 10 ulangan. Perlakuan percobaan adalah kombinasi lima aksesi jewawut dengan satu dosis pupuk NPK, dan setengah dosis pupuk NPK disertai pupuk hayati. Umumnya, tinggi tanaman umur enam minggu, serta bobot dan panjang malai jewawut dengan setengah dosis NPK disertai inokulasi Bacillus sama dengan tanaman yang diberi satu dosis NPK. Namun, tinggi tanaman dan panjang malai Mani-Mani 79 meningkat setelah aplikasi setengah dosis NPK dengan inokulasi Bacillus. Jumlah malai aksesi J3 meningkat sedangkan Polman 3 menurun dengan aplikasi setengah dosis NPK disertai inokulasi Bacillus. Kombinasi pupuk ini meningkatkan bobot biji J3 dan J4 tetapi  menurunkan hasil Polman 3. Aksesi Enrekang dan Polman 3 memiliki daya berkecambah yang lebih baik; masing-masing sebesar 92% dan 89,33%. Penelitian ini menunjukkan bahwa pupuk hayati Bacillus dapat mengurangi dosis pupuk NPK sampai 50% dan dapat disarakan untuk tanaman jewawut.
Corn growth on gold-mine tailings inoculated with nitrogen-fixing and phosphate-solubilizing bacteria Sunarya, Yaya -; Priyadi, Rudi; Arifin, Mahfud; Hindersah, Reginawanti
Jurnal AGRO Vol. 11 No. 2 (2024)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/37408

Abstract

Gold-mine tailings, challenging environment for plant growth, was our study focus. Introducing nitrogen-fixing bacteria (NFB) and phosphate-solubilizing bacteria (PSB) provides nutrients and phytohormones for plant growth. A pot experiment was designed to assess the corn growth on tailing inoculated with NFB and PSB. The research, conducted in a completely randomized block design, was replicated seven times; the treatments were : without inoculation (control), single inoculation of Azo-7.2, single inoculation of BPF-9, a mixture of Azo-7.2 and BPF-9. The results revealed that inoculation of NFB and PSB significantly increased plant height, stem diameter, leaf number, and P-uptake but did not affect leaf area, chlorophyll content, root length, S/R ratio, N-uptake, and plant biomass, and NFB and PSB count in the rhizosphere. Single inoculants of BPF-9 and mixed inoculants increased plant height by 1.2% to 7%, stem diameter, leaves number, and S/R ratio; only mixed inoculation increased N-uptake, however, Azo-7.2 potential to enhance leaf area, chlorophyll content, and corn biomass. The population of NFB and PSB in the rhizosphere of all treated and control plants was slightly lower than the initial population. The research, in particular, verified that the corn growth on tailings inoculated with NFB and PSB was better than that of uninoculated. ABSTRAK Tailing tambang emas yang merupakan tantangan untuk pertumbuhan tanaman, menjadi fokus penelitian ini. Inokulasi bakteri pengikat nitrogen (BPN) dan bakteri pelarut fosfat (BPF) menyediakan nutrisi dan fitohormon yang penting untuk pertumbuhan tanaman. Percobaan pot dirancang untuk mengevaluasi kinerja pertumbuhan jagung (Zea mays L.) pada tailing yang diinokulasi dengan BPN dan BPF. Penelitian dilakukan dengan rancangan acak kelompok yang diulang sebanyak tujuh kali; perlakuan percobaan adalah tanpa inokulasi (kontrol) dan dengan inokulasi tunggal BPN Azo-7.2 dan BPF-9 serta campuran Azo-7.2 dan BPF-9. Hasil penelitian menunjukkan bahwa inokulasi BPN dan BPF dengan nyata meningkatkan tinggi tanaman, diameter batang, dan jumlah daun tetapi tidak mempengaruhi luas daun, kandungan klorofil, panjang akar, biomassa tanaman, serta jumlah BPN dan BPF di rizosfer. Inokulan tunggal BPF-9 dan inokulan campuran campuran meningkatkan tinggi tanaman 1,2% sampai 7%, diameter batang, jumlah daun, dan rasio S/R secara signifikan. Namun Azo-7.2 berpotensi untuk meningkatkan luas daun, kandungan klorofil, dan biomassa jagung. Populasi BPN dan BPF di rizosfer seluruh tanaman yang diberi perlakuan dan kontrol sedikit lebih rendah dibandingkan populasi awal sebelum percobaan. Penelitian ini, secara khusus, memastikan bahwa performansi pertumbuhan jagung pada tailing yang diinokulasi dengan BPN dan BPF lebih baik dibandingkan dengan tanaman di tailing tanpa inokulasi.
Enhancing microbial population and biomass of water spinach grown in tailing and inceptisols by manure amendment Hindersah, Reginawanti; Suryatmana, Pujawati; Herdiyantoro, Diyan; Hamdani, Jajang Sauman
Jurnal AGRO Vol. 11 No. 2 (2024)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/39611

Abstract

The impact of tailings accumulated on agricultural land is the loss of soil profile and decreased soil quality, making plants difficult to grow. This study aimed to observe the effect of cow dung manure (CM) doses to gold mine tailings on total fungal and bacterial populations of soil surrounding roots and water spinach biomass and to analyze the correlation between fungal and bacterial populations with water spinach growth parameters. The experiment was designed in a randomized block design with five treatments and five replications. The treatments included without CM (control) and 5, 10, 15, and 20% of CM in tailing. Similar treatments were added to plants grown in mineral soil, i.e. Inceptisols. The results determined the retarded plant growth in tailing compared to that in Inceptisols. The plant grown in tailing was more responsive to manure amendment. The CM increased total fungal and bacterial populations in the soil around the roots, plant height, leaf number, stem thickness, wet weight, and dry weight of intact plants. Applying 5% of CM caused better growth of water spinach than other treatments. Total fungal and bacterial populations were strongly correlated with water spinach height and dry weight. ABSTRAK Dampak negatif penumpukan tailing di lahan pertanian adalah hilangnya profil tanah dan penurunan kualitas tanah sehingga tanaman sulit tumbuh. Penelitian ini bertujuan untuk mengobservasi pengaruh pemberian dosis pupuk kotoran sapi (PKS) pada tailing tambang emas terhadap populasi jamur dan bakteri total biomassa kangkung darat (Ipomoea reptans (L.) Poir.) serta menganalisis korelasi antara populasi jamur dan bakteri di tanah sekitar perakaran dengan parameter pertumbuhan kangkung. Percobaan pot di rumah kaca disusun dalam rancangan acak kelompok dengan lima perlakuan dan lima ulangan. Perlakuan percobaan adalah tanpa dan dengan penambahan 5, 10, 15 dan 20% PKS ke dalam tailing. Perlakuan yang sama diberikan pada tanaman kangkung dengan tanah Inceptisol. Hasil percobaan menunjukkan bahwa pertumbuhan kangkung di tailing terhambat dibandingkan di tanah Inceptisols, tetapi tanaman di tailing lebih responsif terhadap aplikasi PKS. Pupuk kotoran sapi mampu meningkatkan populasi jamur dan bakteri total di sekitar perakaran, tinggi tanaman, jumlah daun, ketebalan batang, bobot basah serta bobot kering tanaman di tailing. Pemberian 5% PKS lebih meningkatkan pertumbuhan tanaman kangkung dibandingkan dengan perlakuan lainnya. Populasi jamur dan bakteri masing-masing berkorelasi positif dengan hubungan yang sangat kuat dengan bobot kering serta tinggi tanaman kangkung. Percobaan ini menjelaskan bahwa bahan organik penting untuk memperbaiki kualitas tailing dan pertumbuhan tanaman.
Mikroba Tanah Sebagai Biostimulan untuk Tanaman Sayuran di Desa Karyawangi, Kecamatan Parongpong, Kabupaten Bandung Barat, Jawa Barat Hindersah, Reginawanti; Fitriatin, Betty Natalie; Setiawati, Mieke Rochimi; Risanti, Rara Rahmatika
Agrikultura Masyarakat Tani Vol 2, No 2 (2025): Maret
Publisher : Fakultas Pertanian, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrimasta.v2i2.62463

Abstract

Produksi tanaman sayuran di Kabupaten Bandung Barat masih bertumpu pada pupuk kimia padahal pupuk berbasis mikroba berpotensi menggantikan sebagian pupuk kimia. Tujuan program pengabdian pada masyarakat (PPM) di Desa Mekarwangi, Kecamatan Parongpong, Kabupaten Bandung Barat adalah 1) meningkatkan pengetahuan petani mengenai peran mikroba di dalam tanah, 2) memberikan pengetahuan  mengenai peran pupuk hayati dan biostimulan terhadap pertumbuhan tananaman  dan manjeman nutrisi dan 3) melakukan demonstrasi plot (Demplot)  aplikasi mikroba penghasil  biostimulan pada tanaman selerdri.  Sasaran PPM adalah kelompok tani sayuran di desa Mekarwangi dan dilaksanakan melalui diskusi, sosialisasi dan demplot. Program ini  meningkatkan pengetahuan petani mengenai mikroba di dalam tanah dan biostimulan, tetap lebih banyak petani yang belum meyakini perannya produksi tanaman sayuran. Namun demplot memperlihatkan bahwa mikroba berupa pupuk hayati dapat mengganti pupuk NPK untuk satu kali musim tanam seledri. Interaksi dan komunikasi intensif dengan kelompok tani perlu diperkuat agar partisipasi petani dalam demplot meningkat. Pada PPM jangka panjang diperlukan untuk meningkatkan minat petani untuk menggunakan produk berbasis mikroba tanah menguntungkan yang mereka kenal sebagai pupuk hayati. 
Co-Authors A.M. Kalay Abraham Talahaturuson, Abraham Adawiah, Aliya Zahrah Adawiyah, Aliya Z Ade Setiawan Ade Setiawan Ade Setiawan Adita Rizky Syntianis Adita Rizky Syntianis Aditya, Fasa Aditya, Fasa Aditya, Fasa Agnia Nabila Agung Karuniawan Agung Muhammad Yusuf Agus Jacob Ai Siti Santriyani Aisyah, Ayu Siti Akustu, Masako Alia Halimatusy Aliya Zahrah Adawiah Alyani Shabrina amiruddin teapon Andi Hana Mufidah Elmirasari Andina Chotimah Andina Chotimah Ane Nurbaity Ani Yuniarti Anne Nurbaity Anni Yuniarti Anny Yuniarti Antonio Yusuf Ardelia, Zahra Ariani, Nabila Syifa Arief Harsono Asana Matsuura Asep Purnama Hidayat Ashwath, Nanjappa Asmiran, Priyanka Aten Komarya Bagus Adityo Bang, Sunbaek Benito R. Kurnani Benny Joy Betty N. Fitriatin Betty Natalie Fitriatin Bina Nugraha, Gita C O Handayani Chotimah, Andina D Herdiyantoro D. A Sulaksana Dadang Epi Sukarsa Damayani, Maya Dedeh H. Arief Dedeh Hudaya Arief Dedi Nursyamsi Dedi Nursyamsi Dedi Nursyamsi Dedi Nursyamsi Dedi Nursyamsi Dedy Nursyamsi Dewi, Yeni Wispa Dewikusuma Ikhsani Dewikusuma Ikhsani Adhiningtyas Diana Nafitri Cahayaningrum Diky Indra Wibawa Diky Indrawibawa Dirga Sapta Sara Diyah Sri Utami Diyan Herdiyantoro Diyan Hermiyantoro Dwi Suci Rahayu Edwen D Waas Emma Trinurani Sofyan Endo, Kenji Erni Suminar Erwin Erwin Etty Pratiwi Farida Damayanti Fasa Aditya Fauzul Amri Febby Nur Indriani Febby Nur Indriani Fera Siti Meilani Ferra Langoi Fiky Yulianto Wicaksono Fitriatin, Betty Fitriatin, Betty N Gina Nurhabibah H Yulina Handayani, Sri Harry Rum Haryadi Harsono, dan Arief Henry Kesaulya Herman Rehatta Hidayatuz Zu’amah Hidiyah Ayu Ratna Ma’rufah Ibnu Haikal Ichsan Nurul Bari Iis Nur Asyiah Iis Nur Asyiah Iis Nur Asyiah Imam Mudakir Imran Makatita Indra Herliana Irene A. Ngabalin Ishak, Lily Jajang Sauman Hamdani James Matheus June A Putinella June Putinella Juniart Leklioy Kaffah, Ruhnayati Latifah, Tipah Lilipaly, Elena F. L. Lukman Gunarto M Riadh Uluputty Maharani, Nadhira Saniya Mahdi Argawan Putra Mahfud Arifin Mardiyani Sidayat Marenda Ishak Sonjaya Sule Marina Jamlean Martha Fani Cahyandito Masako Akutsu Matsuura, Asana Maulana, Haris Maulana, Nurzen Mauludy, Noor Muhammad Maya Damayani Mayang Agustina Meddy Rachmadi Mieke Rochimi Setiawati Mudiyati Rahmatunnisa Mulyadi Mulyadi Nadia Nuraniya Kamaluddin Nakayama, Masakazu Nandha Afrilandha NANJAPPA ASHWATH Neni Rostini NENNY NURLAENY Nenny Nurlaeny Nia Kurniati Nia Kurniati Nia Kurniati Ninda Meiditia Putri Nini Mila Rahmi Nizar Ulfah Nono Carsono Nugraha, Gita Bina Nugraha, Gita Bina Nugraha, Gita Bina Nurfitriana, Nofalia Nurmayulis Nursuhud Nursuhud Nuryani, dan Oktaviani, Meira Osok, Rafael M Oviyanti Mulyani Priyanka Asmiran Priyanka Asmiran PRIYANKA PRIYANKA Probo Condrosari Pudjawati Suryatmana Pujawati Suryatmana Pujawati Suryatmana Puji Syara Anggia Putri Sri Judiani Purba Rachelita, Nadia Rachmat Harryanto Rahmatika Risanti, Rara Rara Rahmantika Risanti Ratna Ayu Permata Aini Rhasajati, Dhia Rhazista Noviardi Rhazista Noviardi Riadh Uluputty Rija Sudirja Rina Devnita Risanti, Rara Risanti, Rara Rahmatika Risanti, Rara Rahmatika RITA HARNI Rita Harni Robby Risamasu Robi Risamasu Rudi Priyadi Rustam Rustam Salsabilla, Camilla Sandra Amalia Riyadi Sandrawati, Apong Saon Banerjee Sarita Sarkar Setiawati, Mieke Setiawati, Mieke Richimi Shabrina Rahma Fauzia Shafwah Zylvi Azkiannissa Soetijoso Soemitro Solihin, Amir Sondi Kuswaryan Sukarjo Sukarjo Suman Samanta Sumbada, Rifyal Achmad Rivaldi Sunardi Sunardi Sunarya, Yaya - Tarkus Suganda Toto Sunarto Tri Hanggono Achmad Tri Mulya Hartati Triani Dewi Triani Dewi Triyani Dewi Triyani Dewi Triyani Dewi Triyani Dewi Tualar Simarmata Vera Oktavia Subardja Vera Oktavia Subarja Vira Kusuma Dewi Wahyuda Rachman, Wahyuda Wawan Kurniawan Wawan Rachman Wilhelmina Rumahlewang Wilhelmina Rumahlewang Wilhemina Rumahlewang Yansen Lakburlawal Yeni Wispa Dewi Yuliati Mahfud Yusi Firmansyah Yusuf Rahman Yusup Hidayat Zellya Handyman