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All Journal Zuriat Jurnal Ilmiah Aplikasi Isotop Radiasi Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Pertanian Agros AGROLOGIA : Jurnal Ilmu Budidaya Tanaman Jagur: Jurnal Agroteknologi Jurnal Pengabdian Dinamika
Dewi Firnia
Jurusan Agroekoteknologi, Fakultas Pertanian Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Social Sciences

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PENGARUH PEMBERIAN BEBERAPA JENIS PUPUK KOTORAN HEWAN DAN KONSENTRASI AIR KELAPA TERHADAP HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.) Ritawati, Sri; Firnia, Dewi; Rosyitah, Ita
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.242 KB)

Abstract

This research was aimed to know the giving of some cattles manures and coconut water concentration to yield of tomato (Lycopersicum esculentum mill). This research had been conducted in the experimental farm Singamerta Institute for Agricultural Technology Banten. Starting from September to December 2013. The research used Randomized Completely Block Design, concisted of two factors. The first factors was the giving of cattles manures with three levels, they were: P0 (control), P1 (chicken manure) and (P2) cow manure. The second factor was coconut water concentration with four levels, they were: K0 (control), K1 (coconut water concentration 500 ml + water 500 ml), K2 (coconut water concentration 750 ml + water 250 ml ) and K3 (coconut water concentration 1000 ml). The result showed that the giving chicken manure gave the significant effect on number of fruits (4,53 fruit), the weight of fruits (84,63 g), diameter of fruits (28,16 mm). While the 1000 ml of coconut water concentration gave the significant effect on the weight of fruits (85,10 g) and the diameter of fruits (28,68 mm).Keywords : tomato, cattles manures, coconut water
BAKTERI PELARUT FOSFAT HASIL ISOLASI DARI TIGA LOKASI LAHAN KERING RIZOSFER TANAMAN JAGUNG (Zea mays) DI BANTEN Firnia, Dewi; ., Nurmayulis; Fatmawaty, Andi Apriany
Jurnal Agroekoteknologi Vol 7, No 1 (2015)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.242 KB) | DOI: 10.33512/j.agrtek.v7i1.614

Abstract

Phosphorus in the soil is essential macronutrient for plant growth. Phosphate solubilizing bacteria are capable of managing phosphate availability in its soluble forms and are often found in the rhizosphere. This study aimed to know the level of total density and characteristics of phosphate solubilizing bacteria isolated from the rhizosphere of maize plants at three dry land locations in Banten.  The bacteria were isolated using serial plate dilution method. Results showed that four isolated phosphate solubilizing bacteria were obtained. Two isolates were obtained from Curug, one from Walantaka, and one from Petir. The total density of phosphate solubilizing bacterial colonies from those dry land locations were  1.9 x 1010 CFU/ml for Curug 1, 1.9 x 1012 CFU/ml for Curug 2, 6x1012 CFU/ml for Walantaka, and 4,8x1010 CFU/ml for Petir.
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN JAGUNG (Zea mays L.) BERDASARKAN ZONA AGROEKOLOGI PADA SKALA 1:50.000 DI KABUPATEN LEBAK Firnia, Dewi; Hermita, Nuniek; Nurjaman, Sofiyan Aditiya
Jurnal Agroekoteknologi Vol 7, No 1 (2015)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.242 KB) | DOI: 10.33512/j.agrtek.v7i1.607

Abstract

Corn corp (Zea mays L.) is the second commodity food after rice. Corn crop is a plant that in its growth and development process need environmental factor, such as land. Land factor has big contribution in supporting growth and development of plants. Therefore, land has to be evaluated as of the commodities that will be cultivated can provide optimal results. The purpose of this research was to assess land suitability classes and provide direction zoning commodity corn crops in Lebak regency and provide alternative improvement of the limiting factors in an effort to increase corn production. Descriptive method based on desk study activities and survey was used in this research.  Principal of that method was based on approach of landscape mapping and the interpretation of aerial photographs or satellite images, then land evaluation of that land units. Agro-ecological zones parted as 5 zones and 18 sub zones. Zones that being in research areas were zone I (forestry), II (annual plants/plantation), III (annual plants and crops), IV (crops) and VII (forestry/pasture). Based on its land suitability for corn crops were in agro-ecological zone III and IV. In research area agro-ecological zone III and IV that suitable for corn commodities planting were 7 sub zones, there were III/Df;h;ei (S2-tc/wa/rc), III/Dhf;sp (S2-tc/wa/rc), IV/Df;h;ei (S2-tc/rc), IV/Dfs,hv/Wr (S2-tc/rc), IV/Dhf/Wr (S2-tc/rc), IV/Dfe/Wr (S2-tc), and IV/Wr/Dhf (S2-tc/rc), with land area reaches 62.877 ha or about 18,92%  from the total of Lebak regency land area is  332.371 ha.
Respons Nitrogen dan Azolla terhadap Pertumbuhan Tanaman Padi Varietas Mira I dengan Metode SRI Nurmayulis Nurmayulis; Putra Utama; Dewi Firnia; Hasnan Yani; Ania Citraresmini
Jurnal Ilmiah Aplikasi Isotop dan Radiasi Vol 7, No 2 (2011): Desember 2011
Publisher : BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (282.409 KB) | DOI: 10.17146/jair.2011.7.2.86

Abstract

Penelitian ini dilakukan di Kampung Cisadap, Desa Bunter, Kecamatan Sukadana, Kabupaten Ciamis, Provinsi Jawa Barat dari Bulan Januarisampai Bulan Mei 2011 untuk mempelajari respons pertumbuhan tanaman padi yang diberi pupuk nitrogen dan Azolla michrophylla pada budidaya padi sawahSystem Of Rice Intensification . Penelitan ini menggunakan 5 dosis pupuk nitrogen (0 %, 25 %, 50 %, 75 %, 100 %) dari pupuk nitrogen yang direkomendasikan yaitu N 92 kg ha-1 (urea 200 kg ha-1), serta menggunakan Azolla michrophylla sebanyak 1,13 ton ha-1. Hasil penelitian menunjukkan bahwa pemberian dosis pupuk nitrogen sebanyak 50 % (100 kg ha-1) dan pemberian Azolla michrophylla sebanyak 1,13 ton ha-1 memberikan hasil yang baik pada parameter tinggi tanaman 2-6 MST, jumlah anakan 2-7 MST. Interaksi antara penggunaan dosis 50% pupuk nitrogen dan 1,13 Azolla michrophylla terjadi pada tinggi tanaman umur7 MST, dan bobot kering tanaman.
Transformation of aluminium fractions and phosphorus availability in acid soils as the result of microbes and ameliorant addition Dewi Firnia Hanafi; S Anwar; D A Santosa; B Nugroho; D P T Baskoro
Journal of Degraded and Mining Lands Management Vol 7, No 4 (2020)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2020.074.2355

Abstract

Soil acidity and problems related to aluminium (Al) toxicity are usually limiting factors for soil use in agriculture. Problems with acid soils can be overcome by liming. Another potential way to overcome problems of acid soils is to utilize young coal enriched with sulfate-reducing bacteria (SRB) or Acidithiobacillus ferrooxidans. The purpose of this study was to assess the utilization of coal enriched with SRB or A. ferrooxidans as an alternative ameliorant to provide transformation of aluminium fractions and phosphorus availability in acid soils. There were two acid soils (Ultisols) studied with differences in the content of exchangeable Al. Al fraction was differentiated into exchangeable Al (Al-exch), crystalline Al (Al-dithionite), non-crystalline Al (Al-o), organic Al bound (Al-p), non-crystalline inorganic Al (Al-po), as low or medium complex with organic matter (Al-Cu), highly stabilized Al complex with organic matter (Al-pCu). The results showed that for acid soils from Jasinga West Java and Lebak Banten, coal or lime ameliorant, microbial A. ferrooxidans or sulfate-reducing bacteria (SRB) and coal or lime ameliorant enriched with A. ferrooxidans or sulfate-reducing bacteria (SRB) significantly affected the value of Al fraction. Coal or lime ameliorant enriched with A. ferrooxidans could reduce the Al fraction content in acid soils. Coal or lime ameliorant enriched with SRB could increase the availability of P in acid soil from Jasinga West Java with the distribution of Al-pCu > Al-dhitionite > Al-po > Al-exch > Al-Cu fraction. Coal or lime ameliorant enriched with SRB could increase the availability of P in acid soil from Lebak Banten with the distribution of Al-pCu > Al-po > Al-dhitionite > Al-Cu> Al-exch
EKSPLORASI POTENSI MIKROBA TANAH DALAM MENINGKATKAN HASIL PANEN KEDELAI (Glycine max) PADA LAHAN KERING Kartina AM; Nurmayulis .; Andi Apriany Fatmawaty; Dewi Firnia
Jurnal Agroekoteknologi Vol 7, No 2 (2015)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.608 KB) | DOI: 10.33512/j.agrtek.v7i2.1077

Abstract

A research has been conducted to produce products of various microbial inoculants which synergistically function as a biological fertilizer and could improve soybean production on dry land, especially land that was marginal. Excavation of potential soil microbes on marginal dry land was conducted in Cibaliung District, Pandeglang Banten with a screening technique that had been tested in comparison with isolates that had been successfully tested its superiority. After proving the superiority of microbial synergism between multiple test isolates that had different roles in the transformation of nutrients, especially N and P. Microbial isolates demonstrated synergism effect formulated with a variety of carrier as inoculant products. In this research, isolation of microbes was conducted in the first year that was isolation of Azotobacter and Azospirillum with microbial enrichment with selective liquid media Ashby and Media Okon, BPF Pikovskaya media. The selection of microbial population density, which was aimed to produce a microbial consortium to produce microbes that work synergistically enhance the growth of plants was conducted in the second year. The experiment used a randomized completely block design (RCBD ) with a population density factor Azotobacter sp., Azospirillum and BPF: without treatment ( Z0, AZ0 and BP0) , 102cfu/ml (Z1 AZ1 and BP1), 104 cfu/ml (Z2, AZ2, and BP2 ), 106 cfu/ml (Z3, AZ3 and BP3), 108 cfu/ml (Z4, AZ4 and BP4) and 1010 cfu/1ml (Z5, AZ5 and BP5) soybean plants inoculated at the age of 2 M1ST repeated four times with further testing DMRT 5%. The parameters measured were: plant height, number of leaves, root length, leaf area, dry weight and root dry weight crown. Research showed that treatment of the various levels of population density Azotobacter sp. significantly effect on plant height, while density of population Azosprillium sp. significantly effect on plant height. BPF population density showed significant effect on the number of leaves.Key words: Soybean, Azospirillum, Azotobacter, and BPF
DINAMIKA POPULASI MIKROB PADA TANAH MASAM ASAL JASINGA BOGOR DAN LEBAK BANTEN Dewi Firnia
Jurnal Agroekoteknologi Vol 13, No 1 (2021)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v13i1.12162

Abstract

Acid mineral soils are soils that have properties such as low pH, low cation exchange capacity, low base saturation, low organic C, high Al saturation and high phosphorus fixation. The technical problem with acid soils is the low level of soil fertility which affects plant productivity. The purpose of this study was to determine the dynamics of the microb population on acid soils. The soil used was two Typic Hapludults from Neglasari Jasinga Village, Bogor and Padasuka Maja Lebak Village with different levels of Al-dd saturation. Soil microb population included total microbes, total sulfate reducing bacteria and total Acidithiobacillus ferrooxidans. Acid soils from Jasinga and Lebak have soil conditions with acidic pH, low organic C content. For acid soils from Jasinga, the highest total of microbes was at a depth of 0-35 cm and the highest total of Acidithiobacillus ferrooxidans was at a depth of 0-35 cm. Whereas for acid soils from Lebak, the highest total of microbes was at a depth of 0-15 cm and the highest total of Acidithiobacillus ferrooxidans was at a depth of 15-40 cm. There was no population of sulfate-reducing bacteria in acid soils from Jasinga and Lebak.
DINAMIKA UNSUR FOSFOR PADA TIAP HORISON PROFIL TANAH MASAM Dewi Firnia
Jurnal Agroekoteknologi Vol 10, No 1 (2018)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v10i1.5464

Abstract

Phosphorus is a macro essential nutrient for plants that are needed in large quantities third after Nitrogen and Potassium. Phosphorus acts as an activator of various plant metabolism enzymes and is a component of chlorophyll. Phosphorus is a necessary element in large amounts (macro nutrients), the amount of phosphorus in plants is smaller than nitrogen and potassium, but phosphorus is the key to plant life by absorbing phosphorus in the form of primary orthophosphate ions (H2PO4-) and secondary orthophosphate ions (HPO42-). In acid soils, the phosphate will be compounded in Al-P and Fe-P forms, whereas in alkaline soil, phosphate will be compounded with calcium as Ca-P forming a soluble complex compound. This research was conducted with the aim of evaluating the relationship and interrelations between the dynamics of phosphorus nutrients to some soil chemical properties on each acid soil profile horizon. This research was conducted in Laboratory of Soil Chemistry and Fertility Department of Soil Science and Land Resources Faculty of Agriculture, IPB. The soil samples used in this research were soil samples originating from the location of Neglasari Jasinga Bogor Village and Padasuka Village Maja Lebak District of Banten Province was taken per horison in soil profile. The results of the two land sites used showed that the dynamics of the availability of phosphorus nutrients. This dynamic was due to the presence of soil pH and aluminum solubility within each soil horizon. On the land profile of origin of Jasinga and lebak that the value of Al-dd would be high if the low soil pH value and available P value would be high if there was a decrease in soil pH value and the value of Al-dd soil.Keywords: acid soil, aluminum, phosphorus
SEBARAN FRAKSI AL PADA PROFIL TANAH MASAM LAHAN KERING DI KABUPATEN LEBAK PROVINSI BANTEN Putra Utama; Sri Ritawati; Dewi Firnia
Jurnal Agroekoteknologi Vol 11, No 1 (2019)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotek.v11i1.7618

Abstract

ABSTRACTThe toxicity of Al, Fe, and Mn is highly determined by the shape of the metalfractions. Therefore, the specific forms of Al, Fe, and Mn inside the soil are veryimportant to know because they are related to soil fertility. The purpose of this study was to determine the distribution of the Al fraction on the acid soil profile of dry land in Lebak Regency, Banten Province. This research was conducted from April to June 2019 in Maja District, Lebak Regency, Banten. The research was descriptive explorative with intentional sampling for special purposive sampling. The soil was tested with a main parameter using single extraction for Al Fractionation. The results showed that the Al fraction in amorphous form (Al-o) was more dominant than Al in dissolved form (Al-dd) in all horizon layers (0-120 cm). Moreover, the Al fraction in organic amorphous form (Al-p) was also more dominant than Al in the inorganic amorphous form (Al-po) at horizon layer of 0-15 cm, while at horizon laeyer of 15-120 cm the Al-po form was higher than Al-p. Al fraction in the form of organic amorphous had higher bond compared with Al form of organic amorphous in the soil layer of 0-120 cm. 
PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt) PADA BERBAGAI DOSIS PUPUK ORGANIK DAN INTENSITAS PENGOLAHAN TANAH ULTISOLS BANTEN Dewi Firnia; Andi Apriany Fatmawaty
Jurnal Agroekoteknologi Vol 1, No 2 (2009)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.318 KB) | DOI: 10.33512/j.agrtek.v1i2.579

Abstract

ABSTRACT This Research aim to to know sweet maize crop result and growth ( Zea Mays Saccharata Sturt.) At various organic manure dose and intensity processing of soil tillage,This research have been executed in kampong baru petir Banten. Research take place from June until September 2008. Research use Random Device of Group ( factorial RAK) Pattern, consisting of two factor and three restating, first factor is organic manure dose with four level that is, 0; 10; 20; and 30 ha-1 ton. Second factor is intensity processing of soil tillage with three level that is, once, twice, and thrice processing of soil tillage, so that there are 12 treatment combination and 36 set of attempt. Result of research indicate that organic manure dose differ reality, clean weighing of cob at organic manure dose 10 ha-1 ton equal to 1.386,8 g per check, organic manure dose 20 ha-1 ton equal to 1.316,27 g per organic manure and check 30 ha-1 ton equal to 1.393,83 g per check. Intensity Processing of soil tillage show to differ is not real and also  not happened interaction among organic manure dose with intensity processing of soil tillage.Key words: soil tillage, organic manure, Ultisols
Co-Authors ., Nurmayulis Andi Apriany Fatmawaty Ania Citraresmini Ari Tresna S Astikaria Astikaria Azis Natawijaya B Nugroho D A Santosa D P T Baskoro Danu Sabda M Fatmawaty, Andi Apriany Ganes Natanael Hasnan Yani Hermita, Nuniek Imas Rahmawati Ita Rosyitah Kartina AM Muhamad Akbar Amanda Muhammad Fahmi Sulthan Hafda Nuniek Hermita Nur Iman Muztahidin Nurjaman, Sofiyan Aditiya Nurmayulis . Nurmayulis Nurmayulis Putra Utama Rahma Nurul Muslimah Ratna Fitry Yenny Rosyitah, Ita Rusmana Rusmana S Anwar Sarah Ayuni Setiawan, Johan Sri Ritawati Sri Ritawati Susiyanti Susiyanti