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All Journal Jurnal Penelitian Saintek Agrikultura Jurnal Natur Indonesia Jurnal Fakultas Pertanian Jurnal Ilmu-Ilmu Pertanian Indonesia Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science Jurnal Agroekoteknologi Jurnal Agro Jurnal Penelitian Pertanian Terapan Kultivasi SAINS TANAH - Journal of Soil Science and Agroclimatology Paspalum: Jurnal Ilmiah Pertanian Jurnal Agrotek Indonesia AGROLOGIA : Jurnal Ilmu Budidaya Tanaman Soil REns OrchidAgro International Journal of Agriculture System Journal of Character and Environment Composite Jurnal Ekonomi Pertanian dan Agribisnis Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat AGROLOGIA: Jurnal Budidaya Tanaman
Betty Natalie Fitriatin
Fakultas Pertanian, Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences Veterinary Other

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Populasi Bakteri Pelarut Fosfat, P-Potensial Dan Hasil Jagung Yang Dipengaruhi Oleh Aplikasi MPF Pada Ultisols Jatinangor Betty Natalie Fitriatin; Mayang Agustina; Reginawanti Hindersah
Agrologia Vol 6, No 2 (2017): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v6i2.171

Abstract

Ultisol is low fertility soil and as low available P due to P fixation by Al and Fe. The phosphate solubilizing microbes (PSM) is the microbial group that enable realease fixed-P to soil solution and be absorbed by plant. This research was aimed to determine the effects of PSM biofertilizer and phosphate fertilizer dosage combination on soil potential P, total phosphate solubilizing bacteria (PSB) population and yield of maize (Zea mays L.) grown in Ultisols. This research used a Randomized Block Design that consist of nine treatments with three replications. The treatments were 100 kg ha-1 of SP-36 fertilizer, 50 kg ha-1 of PSM biofertilizer, SP-36 fertilizer (50 kg ha-1 and 100 kg ha-1) with PSM biofertilizer (25 kg ha-1, 50 kg ha-1 and 75 kg ha-1) repectively. The result showed that the combination of PSM and phosphate fertilizer dosage had significantly effect on PSB total population and maize yield, but did not not on  potential P. This experiment suggested that SP-36 fertilizer with 50 kg ha-1 dosage and PSM biofertilizer with 50 kg ha-1 dosage is the best combination.
Formulation of Bacillus and Azotobacter Consortia in Liquid Cultures: Preliminary Research on Microbes-Coated Urea Reginawanti Hindersah; Mieke Rochimi Setiawati; Priyanka Asmiran; Betty Natalie Fitriatin
International Journal of Agriculture System VOLUME 8 ISSUE 1, JUNE 2020
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.361 KB) | DOI: 10.20956/ijas.v8i1.2283

Abstract

The spore-forming Bacillus and cysts forming Azotobacter are Plant Growth Promoting Rhizobacteria which has been used as biofertilizer in sustainable agriculture since they tolerant to dried soil. Drought resistant microbes will be useful to coat urea in order to reduce the lost of nitrogen. The objectives of this preliminary study were to study the effect of molasse based liquid media on the population of Bacillus spore and Azotobacter vegetative cell and to determine the composition of four bacterial species in liquid formula. In the first experiment The Bacillus subtilis, B. megaterium, A. chroococcum and A. vinelandii were grown separately in 1% cane molasses enriched with 0.1% NH4Cl. As control treatment, The Bacillus and Azotobacter were grown in Nutrient Broth and Ashby’s mannitol broth respectively. In the second experiment, different composition of said Bacillus and Azotobacter were grown in molasses based liquid media prior to count the spore and vegetative cell. The results showed that molasses-based media supported bacterial growth and initial ratio 1:1:1:1 of liquid inoculant was effective to increase bacterial growth. This experiment suggested that the use of organic based media was useful practice of liquid biofertilizer formulation for granule urea coating.
Effect of Organic-Based Humic Acid on Yield of Rice Grown in Heavy Metal Contaminated Soil Reginawanti Hindersah; Antonio Yusuf; Betty Natalie Fitriatin; Triani Dewi; Dedi Nursyamsi; Mulyadi Mulyadi
Soilrens Vol 20, No 1 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i1.41353

Abstract

Application of certain fertilizer during long-term food crops production, might increase the heavy metal (HM) level in soil. An inexpensive and easy method to decrease this contaminant uptake by plants is application of humic acid (HA) which has the capacity to bind toxic substances. Pot experiment had been conducted to observe the influence of organic-based HA on the growth and yield of rice grown in soil contaminated with Cadmium and Lead. The experiment laid in Randomized Block Design with four treatments and six replications. Rice was grown in Inceptisols and treated with HA extracted from various organic matter. Control plants did not receive any HA. All plants had not shown any HM toxicity symptoms. The plant height as well as straw dry weight in HA-treated soil was no different with control plant. Various HA decreased available Cadmium and Lead in soil and in unhusked grain but did not affect yield traits. However, the reduced content of HM was also caused by soil acidity that shift to neutral during puddling. This experiment suggested that HA have a role to control HM availability in paddy soil and hence reduced their uptake by rice plants.
Pengaruh Pupuk Hayati Berbasis Hidrogel dan Pupuk P terhadap Pertumbuhan dan Hasil Jagung pada Inceptisols asal Jatinangor Betty Natalie Fitriatin; Nabila Syifa Ariani; Haryo Probo Kusumo; Mieke Rochimi Setiawati
Soilrens Vol 20, No 1 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i1.41350

Abstract

Inceptisols are soils that have problems with fertility. Inorganic P fertilizer is a quick choice to restore nutrient availability for plants, but long-term use may harm soil and plants. Another alternative to this problem by using a biofertilizer. Biofertilizer contains microbes that can promote plant growth by increasing the supply of nutrients through their biological activities in the soil. Some microbes are known to have to dissolve phosphate ability through secretion of organic acids and enzymes mechanism. This experiment was conducted to examine the effect of hydrogel-based biofertilizer combined with inorganic P fertilizer (SP-36) on the growth and maize yields on Inceptisols Jatinangor. The biofertilizers were a consortium of phosphate solubilizing microbes (PSM) consisting of Bacillus subtilis, Pseudomonas mallei, Burkholderia cepacia, and Trichoderma asperellum. The pot experiment using a Randomized Block Design (RBD) consisted of 9 treatments with 3 replications. The treatments consisted of control, recommended dose of inorganic P fertilizer (100 kg Ha-1), biofertilizer dose of 50 kg Ha-1, and a combination of biofertilizer and inorganic P fertilizer. The results showed that the combination of ½ dose of hydrogel-based biofertilizer and ¾ dose of P fertilizer increased maize yield. In addition, the application of biofertilizer can reduce inorganic P fertilizer needs up to ¾ recommended dose.
Characterization and Potential of Plant Growth-Promoting Rhizobacteria (PGPR) Isolates Capacity Correlating with Their Hydrocarbon Biodegradation Capability Pujawati Suryatmana; Mieke Rochimi Setiawati; Diyan Herdiyantoro; Betty Natalie Fitriatin; Nadia Nuraniya Kamaluddin
AGRIVITA, Journal of Agricultural Science Vol 44, No 3 (2022)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i0.3773

Abstract

The aim of this research is to find the characteristics of three PGPR isolates—Azospirillum sp., Bacillus sp., and Pseudomonas sp.: First, by profiling their characteristics in a liquid bioremediation system and secondly by measuring their performance as a bioagent in a soil phytoremediation system using ramie plant (Boehmia niviea L.). A Randomized Block Design in triplicate is used: (1) a Nitrogenfree medium with mineral media containing 1% (wt/v) petroleum hydrocarbons; and (2) 1% (wt/v) glucose medium as control. We tested their petroleum-degrading capacity, nitrogenase activity, phytohormones production, and ramie plant growth. The results showed that both Pseudomonas sp. (98.7%, 81.78% degradation efficiency) and Azospirillum sp. (93.80%, 83.70%) were the superior candidate in both systems. They both show reduced but adequate phytohormone production, managing to improve ramie plant growth. Both also showed reduced but sufficient nitrogen fixing capabilities to improve hydrocarbon degradation activity effectively. Meanwhile, Bacillus sp. has the lowest biodegradation capabilities (84.07%; 78.6%) and lowest nitrogenase activity, while failing to improve plant growth. Therefore Bacillus sp. would be more beneficial in a bacterial consortium where its characteristics (high IAA production) can be coupled with other isolates that can offset its lack of phytohormone or nitrogenase activity.
Aplikasi Pupuk Hayati Fosfat dan Amelioran Organik untuk Meningkatkan C-Organik, Pertumbuhan dan Hasil Tanaman Jagung (Zea mays L) pada Tanah Masam Fiqriah Hanum Khumairah; Anggi Jingga; Betty Natalie Fitriatin; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.42993

Abstract

Acidity is still a serious obstacle for maize cultivation due to the very low availability of phosphorus. The use of phosphate biofertilizers, containing phosphate solubilizing bacteria as an active ingredient, together with organic ameliorants was expected to be able to provide phosphorus for plants, increase the organic C content in the soil. Experiment aimed to find the proper application of phosphate biofertilizers along with organic ameliorants to support the growth and yield of maize on acid soils. The experiment used a factorial randomized block design with phosphate biofertilizers and organic ameliorants as the first factor and doses of P fertilizer as the second factor, which was repeated three times. Results showed that the application of phosphate bifertilizers consisted of Enterobacter ludwigii + Bulkholderia vietnamiensis + Citrobacter amalonaticus were applied together with organic ameliorants with the composition of chicken manure compost (25%): municipal waste compost (25%): coconut shell biochar (50%) at a dose of 5 tons/ha was able to increase plant dry weight and dry weight of shells per hectare by 248.87 g and 12.960 kg. The C-organic content of the soil had no significant effect due to the application of phosphate biofertilizers and organic ameliorants. The application of phosphate biofertilizers and organic ameliorants can support the growth and yield of corn plants on acid soils.
Aplikasi Pupuk Hayati Fosfat dan Bahan Pembenah Tanah Organik untuk Meningkatkan Pertumbuhan dan Hasil Panen Jagung (Zea mays L) pada Tanah Masam Fiqriah Hanum Khumairah; Anggi Jingga; Betty Natalie Fitriatin; Tualar Simarmata
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45538

Abstract

Acidity is still a serious obstacle for maize cultivation due to the very low availability of phosphorus. The use of phosphate biofertilizers, containing phosphate solubilizing bacteria as an active ingredient, together with organic ameliorants was expected to be able to provide phosphorus for plants and increase the organic C content in the soil. Experiment aimed to find the proper application of phosphate biofertilizers along with organic ameliorants to support the productivity of maize on acid soils. A factorial randomized block design was used with phosphate biofertilizers and organic ameliorants as the first factor and doses of inorganic P fertilizer as the second factor, all treatments was equipped with three replications. Results showed that the application of phosphate biofertilizers consisted of Enterobacter ludwigii, Bulkholderia vietnamiensis, and Citrobacter amalonaticus with the composition of chicken manure compost (25%): municipal waste compost (25%): coconut shell biochar (50%) at a dose of 5 tons/ha was able to increase plant dry weight and dry weight of shells per hectare by 248.87 g and 12.960 kg. The application of phosphate biofertilizers and organic ameliorants showed no significant effect to soil C-organic content. Phosphate biofertilizers and organic ameliorants can support the productivity of maize plants on acid soils
The effect of beneficial microorganism as biofertilizer application in hydroponic-grown tomato Mieke Rochimi Setiawati; Nandha Afrilandha; Reginawanti Hindersah; Pujawati Suryatmana; Betty Natalie Fitriatin; Nadia Nuraniya Kamaluddin
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 1 (2023): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i1.63877

Abstract

The use of N2-fixing bacteria and growth hormone-producing rhizobacteria delivers nitrogen, enhances nutrients absorption by plants, and reduces the usage of inorganic fertilizers. Implementing biofertilizer in the hydroponic system as a means to reduce application of synthetic nutrient is recently in interest due to economic, food safety, and sustainability factors. This study determines the effects of biofertilizer dose on tomato yields in the hydroponics system. A randomized block design was utilized that consisted of seven treatments, namely 100% inorganic fertilizer and 0% biofertilizer (control), and various doses of inorganic nutrient combined with 25%, 50%, 75%, and 100% biofertilizer. The result illustrated that the application of biofertilizer augmented the population of endophytic bacteria, Azotobacter sp., Azospirillum sp., phosphate solubilizing bacteria, and nitrogen content. The distinct combination of biofertilizer did not alter the phosphorus and potassium content compared to control samples however resulted in superior tomato grade. The 50% inorganic fertilizer and 100% biofertilizer combination amplified the weight of the fruit by 36% compared to the control. This finding indicates that the application of biofertilizers in the hydroponic system for tomato plants is not only beneficial in minimizing the dosage of inorganic fertilizers but also enhancing the fruit quality.
Humic Acid for Reducing Carbofuran Content of Rice Grown in Carbofuran-Contaminated Soil Reginawanti Hindersah; Betty Natalie Fitriatin; Triyani Dewi; Dedi Nursyamsi
Jurnal Agroekoteknologi Vol 15, No 1 (2023)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v15i1.20049

Abstract

Carbofuran insecticide widely used in rice production. The carbofuran residue in agricultural threatens wide life and human health since its active ingredient carbamate is toxic. Humic acid (HA) amendment is an effective way to minimize the residue in soil since HA can adsorb the organic pollutant and induce growth of fungus that degrade the carbofuran. The objective of this research was to observe the influence of HA on the carbofuran residues in soil, straw, and rice; as well as yield of paddy (Oryza sativa L.) grown in carbofuran contaminated potted soil. The level of carbofuran residue in soil before experiment was 10 mg kg-1. The experiment was setup in Randomized Block Design to test various HAs extracted from organic matter. The results indicated that humic acid didn’t affect plant growth and yield but decreased the carbofuran residue in straw and unhusked rice grain. Rhizosphere of rice treated with HA showed higher fungal count than control. This experiment suggests that HA were effectively used to control the carbofuran residue in soil and rice grown in low carbofuran-contamination agricultural soil
Pengaruh Pupuk Hayati dan Briket Amelioran terhadap Pertumbuhan Tanaman Padi pada Tanah Salin Mieke Rochimi Setiawati; Syifa Nabila Kurnia; Pirda Nurhopipah; Anas Ramdhani; Pujawati Suryatmana; Diyan Herdiyantoro; Tualar Simarmata; Betty Natalie Fitriatin
Jurnal Agroekoteknologi Vol 15, No 1 (2023)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v15i1.19763

Abstract

Utilization of saline land as an effort to increase rice productivity is still constrained by the adverse effects of salinity stress. The solution to this effort can be done by utilizing PGPR biofertilizers and applying ameliorant briquettes. The purpose of this study was to evaluate the effect of using biofertilizers and ameliorant briquettes on saline soils with various levels of salinity on the growth of rice plants. This research was conducted at the Ciparanje Jatinangor screen house from September 2022 to January 2023. The research design used was a randomized block design with 12 treatments and 3 replications. The treatment applied was PGPR biofertilizer, ameliorant briquettes, and their combination on saline soil 4 and 8 dS m-1 compared to control (non-saline soil). The results showed that PGPR biofertilizer increased the height of rice plants on saline soils 4 and 8 dS m-1 7 DAP. At 14 DAP, PGPR biofertilizer, ameliorant briquettes, and their combinations did not increase rice plant height, root length and volume, wet weight, and dry weight of rice plants, although the application of biofertilizers, ameliorant briquettes, and their combinations tended to increase wet weight and dry weight of rice plant compared to soil with the same salinity without biofertilizers and ameliorant briquettes.
Co-Authors Ade Setiawan Adinda Putri Amanda Aditya, Fasa Aditya, Fasa Aditya, Fasa Agus Wahyudin Alifa Salsabila Anindya Alyani Shabrina Anas Ramdhani Andi Hana Mufidah Elmirasari Andina Chotimah Andriana Kartikawati Anggi Jingga Anggi Jingga Anne Nurbaity Anni Yuniarti Anny Yuniarti Antonio Yusuf Ariani, Nabila Syifa Aristyo Rahardiyan Asmiran, Priyanka Azhari, Yolanda Dewi Azwari, Fachruddin Budiman, Muhammad Nafariz Chotimah, Andina Damayani, Maya Dedi Nursyamsi Dedi Nursyamsi Dedi Nursyamsi Dedi Ruswandi Dedy Nursyamsi Dewi, Yeni Wispa Dirga Sapta Sara Dita, Limbong Agatha Dita Diyan Herdiyantoro Diyan Hermiyantoro Djuansah, Muhamad Rahman Dupa, Putri Siska Ekayanti Dwi Suci Rahayu Dzakaria Yogaswara Dzakaria Yogaswara Emma Trinurani Sofyan Endo, Kenji Fadhilla Oktavianingtyas Trisilvi Fakhrurroja, Hanif Fakhrurroja, Hanif Fakhrurroja Fasa Aditya Fauziah, Nicky Oktav Fauziah, Nicky Oktav Fauziah Feni Siti Fauziah2 Fidya A Puspafirdausi Fiky Yulianto Wicaksono Fiqriah Hanum Khumairah Fiqriah Hanum Khumairah Fitri Widiantini Ghifari, Raden Faqih Hilmiy Haryo Probo Kusumo Hermawan, Mega Kartika Iis Nur Asyiah Khumairah, Fiqriah Hanum Leoni Silvia Maharani, Nadhira Saniya Mahdi Argawan Putra Manurung, Dahlia Florencia Marenda Ishak Sonjaya Sule Maulana, Nurzen Mayang Agustina Meddy Rachmady Mieke Rochimi Setiawati Mohamad Dion Tiara Muhamad Aristiyo Muhamad Aristiyo, Muhamad Muhamad Iqbal Kusma Sudana Muhammad Agi Pratama Muhammad Amir Solihin Muhammad Iqbal Maulana Yusuf Mulya, Agus Surya Mulyadi Mulyadi Muthia Erwina Nabila Nabila Syifa Ariani Nadia Nuraniya Kamaluddin Nakayama, Masakazu Nandha Afrilandha Nono Carsono Nugraha, Gita Bina Nugraha, Gita Bina Nugraha, Gita Bina Nurfitriana, Nofalia Nurul Hakim, Anisa Oktaviani, Meira Oviyanti Mulyani Pirda Nurhopipah Priyanka Asmiran Pudjawati Suryatmana Pujawati Suryatmana Pujawati Suryatmana Puspafirdausi, Fidya A. Putri, Envry Artanti Duidahayu Rachelita, Nadia Randy Nugraha Rangga Jiwa Wibawa Reginawanti Hindersah Ria, Elly Roosma Rija Sudirja Risanti, Rara Rahmatika Risanti, Rara Rahmatika Rita Harni Robi Natalie Silpanus Ruminta Ruminta Septyani Sofatin Setiawati, Mieke Richimi Shafwah Zylvi Azkiannissa Simanjuntak, Edo Kelvin Syifa Nabila Kurnia Tien Turmuktini Toto Bustomi Triani Dewi Triyani Dewi Tualar Simarmata Wahyuda Rachman, Wahyuda Wahyudin, Agus Wawan Rachman Wong, Mui-Yun Yanti Ningtyas, Dewi Nurma Yenny Muliani yeti kartika Yuhanidz Yuhanidz Yuliati Machfud