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Oviyanti Mulyani
Departemen Ilmu Tanah Dan Manajemen Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Languange, Linguistic, Communication & Media Public Health

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Pertumbuhan dan hasil gandum (Triticum aestivum L.) yang Diberi perlakuan pupuk silikon dengan dosis yang berbeda di dataran medium Jatinangor Wicaksono, Fiky Yulianto; Maxiselly, Yudithia; Mulyani, Oviyanti; Janitra, M. I.
Kultivasi Vol 15, No 3 (2016)
Publisher : Fakultas Pertanian UNPAD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.391 KB)

Abstract

Pemberian silikat diketahui dapat meningkatkan aktivitas antioksidan, stabilitas membran sel, dan kandungan klorofil meningkat sehingga dapat mengatasi cekaman panas. Penelitian ini bertujuan untuk mengetahui dosis silikon yang optimum terhadap pertumbuhan dan hasil tanaman gandum yang maksimum di dataran medium. Percobaan dilakukan sejak Maret hingga Agustus 2016 di Kebun Percobaan Fakultas Pertanian Universitas Padjadjaran, Jatinangor, dengan ketinggian tempat yaitu ± 750 m di atas permukaan laut. Rancangan percobaan adalah Rancangan Acak Kelompok, terdiri dari 7 perlakuan dosis pupuk silika yang diulang 3 kali. Perlakuan terdiri dari 0, 50, 100, 150, 200, 250, dan 300 kg ha-1. Perbedaan nilai rata-rata taraf diuji dengan Duncan Multiple Range Test pada taraf nyata 5%. Hasil penelitian menunjukkan bahwa pupuk silika berpengaruh terhadap pertumbuhan dan hasil tanaman dibandingkan tanpa pupuk silika, dilihat dari tinggi tanaman, jumlah anakan, persentase gabah isi, bobot 100 butir, bobot biji, dan kandungan gluten. Dosis pupuk silika yang paling baik bagi pertumbuhan dan hasil adalah 250 kg ha-1. Kata kunci: gandum,silikon, dataran medium
PEMBERDAYAAN KELOMPOK WANITA TANI DALAM PEMBUATAN PUPUK ORGANIK CAIR RAMAH LINGKUNGAN DI CIBIRU WETAN Sofyan, Emma Trinurani; Machfud, Yuliati; Mulyani, Oviyanti
Dharmakarya Vol 6, No 4 (2017): Desember
Publisher : Universitas Padjadjaran

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Abstract

Pemberdayaan masyarakat pada Kelompok Wanita Tani dalam Pembuatan dan Pegelolaan Pupuk Organik Berbasis Pemanfaatan Potensi Sumber Daya Lokal di desa Cibiru Wetan dilaksanakan dengan tujuan untuk memecahkan masalah yang ada di Desa tersebut; 1) agar mengerti dan memahami serta menerapkan beberapa metode pembuatan pupuk organik. 2) Selain itu diharapkan Kelompok Wanita Tani mampu menerapkan hasil pupuk organik yang telah dibuat pada tanaman konsumsi dan tanaman yang diusahakan pada daerah tersebut dengan harapan menambah peningkatan produktifitas baik secara agronomi maupun ekonomi.Metode yang dilakukan adalah mengenai proses pembuatan kompos, pupuk cair organik dari urine ternak dan Mikoorganimse Lokal (MOL). Untuk mewujudkan tujuan tersebut beberapa langkah yang dilakukan adalah; 1) memberikan pelatihan pada Kegiatan Penyuluhan, tanya jawab dan diskusi dan bimbingan tentang cara pembuatan pupuk kompos, pupuk organik cair dari fermentasi urine (sapi, kerbau dan kambing) dan MOL meliputi pengertian tentang pupuk organik, manfaatnya bagi tanah dan tanaman, bahan-bahan yang bisa digunakan serta pemanfaatannya bagi beberapa komoditas tanaman pangan dan hortikultura (sayuran). 2) memberikan pelatihan dengan praktek langsung pembuatan kompos padat dan pupuk cair/MOL Kelompok Wanita Tani.Target Luaran Pemberdayaan Masyarakat pada kelompok wanita tani  di Desa Cibiru Wetan  adalah ; Terciptanya  metode pembuatan pupuk organik cair dari urin sapi dan dari bahan setempat. Kegiatan Pemberdayaan Masyarakat ini juga diharapkan dapat memberikan sarana promosi Mitra yang nantinya diharapkan dapat diikuti oleh masyarakat dalam meningkatkan produktifitas tanamannya melaluhi penerapan pupuk organik.Hasil yang dicapai dari kegiatan ; 1). Meningkatnya partisipasi anggota kelompok wanita tani “Kudangdaunan” mencapai 75%  dalam kegiatan ini. 2) anggota kelompok wanita tani “Kudangdaunan” menerapkan POC pada tanaman konsumsi dan tanaman rimpang seperti jahe 3). Anggota kelompok tani (mencapai 70 %) juga Trampil dalam pembuatan Pupuk cair berbasis Urine dan  Mikroorganisme lokal (MOL).   
Pertumbuhan dan hasil gandum (Triticum aestivum L.) yang Diberi perlakuan pupuk silikon dengan dosis yang berbeda di dataran medium Jatinangor Fiky Yulianto Wicaksono; Yudithia Maxiselly; Oviyanti Mulyani; M. I. Janitra
Kultivasi Vol 15, No 3 (2016)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.391 KB) | DOI: 10.24198/kultivasi.v15i3.11770

Abstract

Pemberian silikat diketahui dapat meningkatkan aktivitas antioksidan, stabilitas membran sel, dan kandungan klorofil meningkat sehingga dapat mengatasi cekaman panas. Penelitian ini bertujuan untuk mengetahui dosis silikon yang optimum terhadap pertumbuhan dan hasil tanaman gandum yang maksimum di dataran medium. Percobaan dilakukan sejak Maret hingga Agustus 2016 di Kebun Percobaan Fakultas Pertanian Universitas Padjadjaran, Jatinangor, dengan ketinggian tempat yaitu ± 750 m di atas permukaan laut. Rancangan percobaan adalah Rancangan Acak Kelompok, terdiri dari 7 perlakuan dosis pupuk silika yang diulang 3 kali. Perlakuan terdiri dari 0, 50, 100, 150, 200, 250, dan 300 kg ha-1. Perbedaan nilai rata-rata taraf diuji dengan Duncan Multiple Range Test pada taraf nyata 5%. Hasil penelitian menunjukkan bahwa pupuk silika berpengaruh terhadap pertumbuhan dan hasil tanaman dibandingkan tanpa pupuk silika, dilihat dari tinggi tanaman, jumlah anakan, persentase gabah isi, bobot 100 butir, bobot biji, dan kandungan gluten. Dosis pupuk silika yang paling baik bagi pertumbuhan dan hasil adalah 250 kg ha-1. Kata kunci: gandum,silikon, dataran medium
Stabilitas Agregat Tanah, Populasi Jamur Pelarut P dan Hasil Jagung yang Dipengaruhi oleh Pupuk Hayati Mikroba Pelarut P dan Pupuk P pada Ultisols Betty Natalie Fitriatin; Muhammad Agi Pratama; Oviyanti Mulyani
Soilrens Vol 16, No 1 (2018)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.115 KB) | DOI: 10.24198/soilrens.v16i1.18317

Abstract

Ultisols is a soil order with low available P. Phosphate Solubilizing Microbes is a group of microorganisms that has the ability to release P for plants. The aim of this experiment was to determine effect of phosphate solubilizing microbes and P fertilizer on soil aggregate stability, PSF population and yield of maize (Zea mays L.) on Ultisols. This research was conducted from May 2016 to August 2016 at Ciparanje, Faculty of Agriculture, Universitas Padjadjaran. This research was arranged in Randomized Block Design (RBD), consisted of 9 treatments with 3 replications. The treatments were 100 kg ha-1 of SP-36 fertilizer, 50 kg ha-1 of biofertilizer, as well as combination of SP-36 fertilizer (50% and 100%) with the dose of biofertilizer (50%, 100% and 150%). This experiment showed that the combination of biofertilizer and P fertilizer gave significant effect on the population of PSF and yield of maize, but not for stability of soil aggregates. The application of SP-36 50 kg ha-1 and 50 kg ha-1 PSM combination gave higher population of PSF and yield of maize.Keywords:  Biofertilizer, maize, phosphate- solubizing fungi, aggregate stability, Ultisols
Analisa Usaha Tani terhadap Aplikasi Pupuk Majemuk Cair pada Tanaman Jagung Manis Oviyanti Mulyani; Emma Trinurani Sofyan; Rija Sudirja; Yulianti Machfud; Benny Joy
Soilrens Vol 17, No 1 (2019)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (588.364 KB) | DOI: 10.24198/soilrens.v17i1.23246

Abstract

Analysis of the farming system is an applied science which concerns on how to use resources efficiently and effectively in agricultural business in order to get maximum results. In this analysis, one of the important aspects on agricultural production is fertilizer. Liquid compound fertilizer is a fertilizer with several advantages such as simple application, complete and balanced required nutrients, labour and time efficient, and easy to procure and store. The purpose of this study was to determine the analysis of farming system on the application of liquid compound fertilizer on sweet corn. This experiment used a Randomized Block Design (RBD) consisted of 10 treatments (8 treatments of liquid fertilizer doses, one treatment of fertilizer dosage recommendations for NPK and one control (without fertilizer)). Each treatment was repeated three times, with the total of 30 experimental plots. The results of this experiment were the application of compound liquid fertilizer provides a high relative value of agronomic efficiency and profits on corn. The treatment of 1 ¼ NPK liquid fertilizer dose gave higher RAE, R/C and B/C values compared to the control. NPK liquid fertilizer has a significant effect on the variables of soil (pH, N, P and K content) and yield components (N, P and K uptake). In general, the use of NPK liquid fertilizer can significantly increase the yield, with the highest yield on 1 ¾ dose and the yield of corn plants (18,329 kg/ha).
Pembentukan, Karakterisasi Serta Manfaat Asam Humat Terhadap Adsorbsi Logam Berat Firda Firda; Oviyanti Mulyani; Anni Yuniarti
Soilrens Vol 14, No 2 (2016)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (505.458 KB) | DOI: 10.24198/soilrens.v14i2.11032

Abstract

Soil is a very complex and dynamic system, consisting of the solid, liquid and gas. The solid parts of soil is made from minerals and organic materials (rough and smooth). Organic materials with smooth from is called humic acid. This product is a result from oxidation polimeritation of compounds like phenol, lignin and proteins from plants also from the metabolism of microorganism in the ground. In general, the composition of organic matter is dominated by humin with large, medium and lower of molecular weight. Humic acid has the composition of elements like carbon (40-80%), nitrogen (2-4%), sulfur (1-2%), phospor (0-0,3%) and also oxygen. Humic acid has unique characteristics compared with fulvic acid and humin. One of the most spesific character is the bonding to interact with metal ions, oxide, hydroxide, minerals, organic, and toxic materials.Key words: Adsorbtion, Characterization, Heavy metals, Humic Acid
Pengaruh Kombinasi Pupuk Hara Mikro Cair Dengan N,P,K terhadap Kadar Cobalt dan Hasil Tanaman Jagung (Zea mays L.) ‘Pioneer 12‘ pada Fluventic Eutrudepts Dilla Amelia; E Hidayat Salim; Oviyanti Mulyani
Soilrens Vol 15, No 2 (2017)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (609.64 KB) | DOI: 10.24198/soilrens.v15i2.21462

Abstract

The content of trace elements in the soil and plant is generally very low. Cobalt (Co) is a trace element that has an important role for plant metabolism. This research was conducted to study the combination effect of liquid micro fertilizer (LMF) with N,P,K fertilizer on total Co, available Co, Co uptake and corn yield (Zea mays L.)  var. Pioneer 12 on Fluventic Eutrudepts. This research was conducted at the test field of Soil and Water Management, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor. The altitude located at ± 725 meters above the sea levels. This research held from January to May 2014. The experimental design used were Randomized Design Group with ten treatments and three replications, with the total of experimental plots were 30 plots. The treatments consisted of control (without fertilizer) and combination of dosage LMF (0, ½, 1, 1½, and 2) with N, P, K fertilizer (0, ¼, ½, ¾, and 1). The results showed that the combination application of LMF + N, P, K significantly affect the Co uptake and corn Pioneer 12 yield. Combination effect of LMF (1, 1½, and 2) with 1 dosage of N,P,K fertilizer gave the best results of 19.93, 18.57,and 18.17 kgs plot-1 or equivalent with 8.47, 7.89, and 7.72 tons ha-1 respectively. Keywords: corn, cobalt, Fluventic Eutrudepts, micro fertilizer
Studi Perubahan Unsur Kalium Akibat Pemupukan dan Pengaruhnya terhadap Hasil Tanaman Oviyanti Mulyani; Encep Hidayat Salim; Anni Yuniarti; Yuliati Machfud; Apong Sandrawati; Marisa Puspita Dewi
Soilrens Vol 15, No 1 (2017)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (579.621 KB) | DOI: 10.24198/soilrens.v15i1.13348

Abstract

Balanced fertilization is one solution to support sustainable agriculture.This experiment was conducted to determine the study of potassium caused by balanced fertilization. The experimental method used a Randomized Block Design (RBD) single factor with ten treatments and three replications, so the total is 30 experimental plots. The ten treatments consisted of : without fertilizer (0), ½, 1, 1,5 and 2 doses of organic fertilizer + without fertilizer (0), ¼, ½, ¾ and 1 doses of anorganic fertilizer. The results of this experiments showed that there were significant effects on potencial K, exchangeable K, K uptake and yield of pakchoy from combination of organic fertilizer with anorganic fertilizer. The treatment 1½ dose of organic fertilizer + 1 dose of anorganic fertilizer produce the highest yield of pakchoy with 5.13 kg plot-1 (increase 100 % than control).Keywords: Azolla pinnata compost, litter, peat, solid biofertilizer
Efek Limbah Cair Industri Tekstil Pasca IPAL Terhadap Pertumbuhan Tanaman Kubis dan Preferensi Oviposisi Imago Plutella xylostella L. Siska Rasiska; Muh. Yasin; Syarif Hidayat; Oviyanti Mulyani
Soilrens Vol 16, No 2 (2018)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (615.929 KB) | DOI: 10.24198/soilrens.v16i2.20851

Abstract

ABSTRACT Treated industrial textile wastewater has organik and heavy metal compound that have toxicity effect on plant and other organism in agroecosystem. This research aimed to study the effect of industrial textile treated wastewater on cabbage growth and oviposition preference of Plutella xylostella L. The research was done at Green House in Ciparanje, Agriculture Faculty, Universitas Padjadjaran, Jatinangor District, Sumedang, West Java, Indonesia on May to June of 2018. Experimental design used was Block Randomized Design with nine treatments of industrial textile treated wastewater in various concentrations: 0%, 12,5%, 25%, 37,5%, 50%, 62,5%, 75%, 87,5%, and 100%, and three replications. This research revealted that industrial textile treated wastewater has no effect on growth of cabbage, but has an effect on oviposition of Plutella xylostella L. Keyword: industrial textile treated wastewater, growth of cabbage, preference oviposition, Plutella xylostella L.
Pengaruh Mikroba Pelarut Fosfat dan Pupuk P terhadap P Tersedia, Aktivitas Fosfatase, P Tanaman dan Hasil Padi Gogo (Oryza sativa. L.) pada Ultisol Betty Natalie Fitriatin; Anny Yuniarti; Oviyanti Mulyani; Feni Siti Fauziah2; Mohamad Dion Tiara
Agrikultura Vol 20, No 3 (2009): Desember, 2009
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (260.914 KB) | DOI: 10.24198/agrikultura.v20i3.961

Abstract

Mikroba pelarut fosfat (MPF) berperan penting dalam mobilisasi fosfor tanah dan selanjutnya memfasilitasi penyerapannya oleh akar tanaman. Penelitian rumah kaca telah dilakukan untuk mengetahui pengaruh mikroba pelarut fosfat dan pupuk P terhadap P tersedia, aktivitas fosfatase, populasi mikroba pelarut fosfat, dan konsentrasi P tanaman serta hasil tanaman padi gogo (Oryza sativa L.) yang ditanam pada Ultisols Jatinangor. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok pola faktorial yang terdiri atas dua faktor yaitu jenis inokulan MPF dan dosis pupuk fosfat. Hasil penelitian menunjukkan bahwa tidak terdapat interaksi antara isolat mikroba pelarut fosfat dengan dosis pupuk P terhadap semua parameter penelitian. Namun inokulasi campuran Pseudomonas sp. dan Penicillium sp. mampu meningkatkan aktivitas fosfatase,  konsentrasi P tajuk hingga 19,23 % dan bobot gabah kering giling (GKG) padi gogo hingga 29,03 %. Aplikasi 75 kg P2O5 ha-1 mampu meningkatkan P tersedia hingga 20,66 % dan bobot GKG  hingga 15,23 % dibandingkan kontrol.
Co-Authors Abdul Rahmi ABDUL RAHMI Abdurrahman Salim Abraham Suriadikusumah Agnia, Ilma Agung Muhammad Yusuf Agus Susanto Ai Ening Rostini Ania Citraresmini Anne Nurbaity Anne Nurbaity Anni Nuraisyah Anni Yuniarti Annisya Salsabilla Anny Yuniarti Apong Sandrawati Asty Nesya Aten Komarya Atih Winingsih Benny Joy Benny Joy Benny Joy Benny Joy Betty Natalie Fitriatin Dewikusuma Ikhsani Adhiningtyas Dilla Amelia Dirga Sapta Sara DIYAN HERDIYANTORO E Hidayat Salim Emma T. Sofyan Emma Trinurani Sofyan Encep Hidayat Salim Eso Solihin Fauziah, Nicky Oktav Feni Siti Fauziah2 Fiky Yulianto Wicaksono Fiky Yulianto Wicaksono Firda Firda Harry Rum Haryadi Husein, Anne Yuliana Husen, Anne Yuliana Ilma Agnia Irwandhi, Irwandhi M. I. Janitra M. I. Janitra, M. I. Marisa Puspita Dewi Mohamad Dion Tiara Muh. Yasin Muhammad Agi Pratama Muhammad Amir Solihin Nisa Budi Arifiana Probo Condrosari Pujawati Suryatmana Rahmawati Reginawanti Hindersah Remona, Rizkiyani Rija Sudirja Rina Devnita Satria Indra Kusuma Siska Rasiska Solihin, Muhammad Amir Syarif Hidayat Triono Bambang Irawan Wawan Sutari Yudithia Maxiselly Yudithia Maxiselly, Yudithia Yulianti Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud, Yuliati Yuliati Mahfud