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All Journal Jurnal Ilmu Pertanian Jurnal Pendidikan Teknologi dan Kejuruan El Dinar Jurnal Tanah dan Air Jurnal Edik Informatika : Penelitian Bidang Komputer Sains dan Pendidikan Informatika Jurnal Teknik Komputer AMIK BSI International Journal of Islamic Economics and Finance (IJIEF) Journal Technology and Implementation Bussines JURIKOM (Jurnal Riset Komputer) jurnal Ilmu Pertanian (Agricultural Science) JIFA (Journal of Islamic Finance and Accounting) Soil REns Jurnal Tekno Jurnal Sisfotek Global Akrab Juara : Jurnal Ilmu-ilmu Sosial STUDI PELAKSANAAN SELFMEDICATION PADA PENDERITA DIARE BERDASARKAN TINGKAT PENGETAHUAN MASYARAKAT PESISIR KECAMATAN SOROPIA KABUPATEN KONAWE Jurnal Tanah dan Air (Soil and Water Journal) Jurnal Kreatif : Desain Produk Industri dan Arsitektur These proceedings represent the work of researchers participating in The International Conference on Elementary Education (ICEE) which is being hosted by the Elementary Education Study Programme School of Postgraduate Studies, Universitas Pendidikan Jurnal Elkasista Krinok:Jurnal Linguistik Budaya Borneo Journal of Biology Education (BJBE) Journal of Social Research JBEST Innovative: Journal Of Social Science Research JURNAL ILMIAH PENELITIAN MAHASISWA Journal of Environment and Sustainability Education JURNAL AKADEMIK EKONOMI DAN MANAJEMEN Multidisciplinary Indonesian Center Journal Intelektual: Jurnal Pendidikan dan Studi Keislaman Ecoducation JIFA (Journal of Islamic Finance and Accounting)
Ade Setiawan
STMIK Amikom Purwokerto
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Journal : Soil REns

 1 
Effect of biofertilizer with reduced dose of nutrient solution on yield of Pak Choy on Nutrient Film Technique System Hindersah, Reginawanti; Maulana, Nurzen; Damayani, Maya; Setiawati, Mieke Rochimi; Suryatmana, Pujawati; Fitriatin, Betty Natalie; Setiawan, Ade
Soilrens Vol 21, No 2 (2023)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v21i2.53445

Abstract

The Nutrient Film Technique (NFT) in hydroponic crop production systems generally uses chemical nutrient solutions to provide plant nutrients, even though biofertilizer inoculation can enrich liquid nutrients. The purpose of this experiment was to observe the effect of liquid biofertilizers applied with chemical nutrient solutions on changes in the acidity and electrical conductivity of nutrient solutions, as well as the growth and yields of pak choy (Brassica rapa L.) grown in Nutrient Film Technique. This experiment was set up in a completely randomized design with three nutrient solution treatments and eight replications. The treatments included the application of 100% chemical nutrient solution (control), and 75% and 50% concentrations of chemical nutrient solution enriched with a consortium biofertilizer. The results showed that at the end of the experiment, the acidity of all nutrient solutions increased, but their electrical conductivity (EC) was reduced. The fresh weight of pak choy shoots in medium B (75% chemical nutrition with biofertilizers) was 34% lower than the control (A), although statistically it was not significant. However, 50% chemical nutrition with biofertilizers produced the same shoot weight as the recommended dose of chemical nutrition. Moreover, 75% chemical nutrient with biofertilizers increased root weight. This current experiment verified that a reduced concentration of nutrient solution enriched with biofertilizer can be used to maintain the yield of pak choy grown in NFT.
Pengaruh Kombinasi Pupuk Hayati Konsorsium cair dengan Pupuk N, P, K terhadap Populasi Azotobacter sp., Serapan N, Bobot Kering dan Hasil Selada (Lactuca sativa L.) pada Andisols Lembang Setiawati, Mieke Rochimi; Lubis, Ary Satria; Sudirja, Rija; Suryatma, Pujawati; Setiawan, Ade; Herdiyantoro, Diyan
Soilrens Vol 22, No 1 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i1.57234

Abstract

Andisols area is potentially developed as horticulture cultivation area such as lettuce. The low number of productions of lettuce in Indonesia can be optimized by fertilization. The application of biofertilizer is expected to intensify the efficiency of inorganic fertilization through the ability of nitrogen fixation bacteria. The aim of study was evaluating the effect of a combination between liquid biofertilizer consortium with N, P, K fertilizer on N-uptake, population of Azotobacter sp., dry biomass, and yield of lettuce (Lactuca sativa L.) in Andisols. This study was done in June 2015 until September 2015 in 2 locations, Balai Besar Pelatihan Pertanian in Kayuambon, Lembang, West Java with an altitude of 2084 meters above sea level and in Soil Biology Laboratory, Soil Science Department, Universitas Padjadjaran. As treatment, seven combination dose of fertilizer A = control (without any fertilizer); B = 100% dosage recommendation of N, P, K; C = liquid biofertilizer consortium 10 L ha-1; D = liquid biofertilizer consortium 10 L ha-1 + 100% dosage recommendation of N, P, K; E = liquid biofertilizer consortium 10 L ha-1 + 75% dosage recommendation of N, P, K; F = liquid biofertilizer consortium 10 L ha-1 + 50% dosage of recommendation of N, P, K; G = liquid consortium biofertilizer 10 L ha-1 + 25% dosage recommendation of N, P, K). The research design was in the complete Randomized Block Design (RBD) with four replications. Regarding the yield performance and population of Azotobacter sp. which is better than the other treatments is a treatment with liquid biofertilizer consortium 10 L ha-1 + 50% dosage of recommendation of N, P, K. The significant positive correlation between the yeild of lettuce with dry mass is 96.8% and nitrogen uptake of 84.2%
Pengaruh Pupuk Hayati dan Azolla (Azolla pinnata) terhadap Beberapa Sifat Kimia Tanah, Pertumbuhan, dan Hasil Padi Sawah (Oryza sativa L.) Setiawati, Mieke Rochimi; Ilyas, Ichsan; Suryatmana, Pujawati; Setiawan, Ade
Soilrens Vol 21, No 2 (2023)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v21i2.53446

Abstract

Application of Biofertilizer and Azolla (Azolla pinnata) to Improve Several Soil Chemical Properties, Growth and Yield of Rice Plants (Oryza sativa L.). Efforts to increase agricultural production through intensification programs cannot be separated from using artificial chemical fertilizers. However, the continuous use of artificial chemical fertilizers must be balanced by providing organic matter to avoid a deficiency of land-available nutrients, organic matter, and beneficial microorganisms. Using biofertilizers and Azolla can help provide nutrients and improve the biological properties of the soil. This research aimed to determine the effect of the interaction of biofertilizer and Azolla in increasing soil N and lowland rice yields. This research was conducted in a greenhouse, experimental garden, Ciparanje, Jatinangor, Faculty of Agriculture, Universitas Padjadjaran. The experimental design used was a factorial randomized block design with two factors. The first factor, the dose of Azolla pinnata (A), consisted of 4 levels: without Azolla, Azolla 10 t ha-1, Azolla 20 t ha-1, and Azolla 30 t ha-1. In comparison, the second was the dose of solid biofertilizer (H), which consisted of 3 levels, without biofertilizer, 12.5 kg ha-1 biofertilizer, and 25 kg ha-1 biofertilizer, repeated three times. The results of the study showed that there was no interaction between biofertilizer and A. pinata on total soil N, plant N concentration, soil C/N ratio, and lowland rice (Oryza sativa L.) yields; however, the application of Azolla 30 t ha-1 increase the number of productive tillers. The application of biofertilizer and Azolla has yet to increase rice plants' Dry Harvested Grain (DHG). However, the DHG tends to increase by 9.58% and 9.95%, respectively, compared to the control
Perubahan Komposisi Mikrob dalam Proses Fermentasi Kopi Honey dan Natural Kamaluddin, Nadia Nuraniya; Solihin, Eso; Suryatmana, Pujawati; Januar, Dodi Ganjar; Rainaldi, Rainaldi; Setiawan, Ade
Soilrens Vol 21, No 2 (2023)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v21i2.53447

Abstract

This study investigates the microbial populations during different coffee fermentation processes and their impact on coffee quality. Bacillus, Pseudomonas, and endophytic populations in coffee beans undergoing natural saccharic and natural lactic fermentation remained unchanged compared to fresh coffee beans. However, a notable increase in Bacillus population occurred in honey saccharic fermentation, possibly attributed to the high sugar content in the mucilage, supporting bacterial growth. Additionally, the introduction of Lactobacillus and Saccharomyces during fermentation enhanced sugar consumption and influenced the final coffee quality, particularly aroma profile and nutritional composition. Varietal differences were observed, with Bacillus population decreasing slightly post-fermentation, especially in honey saccharic and natural lactic processes. This decline may be attributed to the dominance of Saccharomyces and Lactobacillus, antagonistic to Bacillus, and the fermentation conditions leading to decreased pH, unfavorable for Bacillus. These findings highlight the intricate microbial interactions and their implications for coffee fermentation and quality.
Pengaruh Dosis dan Frekuensi Pemberian Pupuk Tunggal (N,P,K) dan Pupuk Majemuk NPK Terhadap N-Total, P-tersedia dan K-dd Padi Sawah (Oryza sativa L.) pada Inceptisols Siswanto, Shantosa Yudha; Wianggadana, Rangga; Harryanto, Rachmat; Setiawan, Ade; Sonjaya Sule, Marenda Ishak
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61738

Abstract

The study was conducted to determine the effects of dosage and frequency of applying single fertilizers (N,P, K) and compound NPK fertilizers on total nitrogen (N-total) using lowland rice (Oryza sativa L.) grownin Inceptisols. The research was carried out in rice fields located in Ciparay, Jelekong Subdistrict, BaleendahDistrict, Bandung Regency. A Randomized Complete Block Design (RCBD) was employed, consisting of seventreatments with three replications: (1) Control, (2) Single NPK fertilizer (grade 123,75-36-50), Frequency3, (3) Compound NPK Pelangi fertilizer (grade 80-40-40), Frequency 3, (4) Single NPK fertilizer (grade 8040-40),Frequency 3, (5) Single NPK fertilizer (grade 123,75-36-50), Frequency 2, (6) Compound NPKPelangi fertilizer (grade 80-40-40), Frequency 2, and (7) Single NPK fertilizer (grade 80-40-40), Frequency2. The results indicated that, in general, fertilization applied twice yielded the highest N-total values.Meanwhile, fertilization applied three times resulted in higher available phosphorus (P-available) levels.However, differences in fertilization treatments did not significantly affect exchangeable potassium (K) inInceptisols.
Co-Authors ., Alfani Achmad Ibrahim AI NURLAELASARI RUSMANA Amini, Azizah Khairina Andani, Chairiah Anggraeni, Isty Ardelia, Zahra Ardi Satrial Astuti, Rachmawati Darma Azhar, Alfiyyah Azhar, Fahri Ali Azizah, Dyantie Nur Betty Natalie Fitriatin Damayani, Maya Damayanti, Friska Dessy Susanti, Inggit Destiana, Fadya Dewi Rahayu Dita Andraeny DIYAN HERDIYANTORO Dzulfikar B.A., M Edward Alfin Effendi, Dedi Emma Trinurani Sofyan Ernawulan Syaodih Erza, Nola Putri Eso Solihin Fadhlan Muchlas Abrori Farida Damayanti Fauzi Ahmad Muda Fauziah, Nisa Ferdiand Suhelatua, Martinus Frank Aligarh Hamidah, Novita Nur Hanggoro Aji Al Kautsar Hani Harafani, Hani Hasanah, Tuti Heri Priyanto, Heri Hilmi, Faqih Humairoh Humairoh Ilyas, Ichsan Iqbal, Mohamad Ali Januar, Dodi Ganjar Kasmuri, Mudiono Kusumadewi, Bintang Hari Lia Yuldinawati Lilit Rusyati Listiani Listiani Lubis, Ary Satria Magria, Vera Maria Apsari Sugiat Marita Kusuma Wardani Maulana, Andry Maulana, Nurzen Maulidah, Shopi Setiawati Melati, Putri Sekar Mieke Rochimi Setiawati Muhamad Faisal, Muhamad Muhamad Syahwildan Muhammad Azhar Irwansyah Muhammad Muharrom Musriatun Napiah Mustofa Mustofa Mutia, Rahma Nadia Nuraniya Kamaluddin Neni Nuraeni, Neni NENNY NURLAENY Nufuz, Salma Hayatun Nurcahyo, Nurcahyo Nurlaeli, Kamilah Kurnia Permana, Rifky Pernando, Frenki Prawanti, Diah Amalia Prawido Utomo Pujawati Suryatmana Pujirana, Andi Isni Putra, Ranu Manggala Qorina, Azizah Rachmat Harryanto Rachmat Setiawibawa Rachmawati, Dhina Pratiwi Rahmah, Siti Auliya Rainaldi, Rainaldi Reginawanti Hindersah Riana, Risti Rija Sudirja Rika Rafikah Agustin Sampurna, Adam Mulya Sandra Dewi Saraswati Sari, Nurmita Shafwan, Fatimah Ratu Sholikin, Ahmad Sholikin, Ahmad Siswanto, Shantosa Yudha Sonjaya Sule, Marenda Ishak Supratikta, Hadi Suryatma, Pujawati Syafaat, Mokhamad Tarigan, Afifah Sanu Tika Adilah M Usnan Vestia, Etika Waeisul Bismi WAHYUDI Wardani, Ayu Kusuma Wianggadana, Rangga Yanto, Andika Bayu Hasta Yunus, Ishak