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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Penelitian Saintek Jurnal Biologi Udayana Agrikultura Berkala Ilmiah Pertanian Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Agro Kultivasi Jurnal Agrotek Tropika Jurnal Agrotek Indonesia Soil REns

Oviyanti Mulyani

Departemen Ilmu Tanah Dan Manajemen Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Author-ID : 2603726

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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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

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

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

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

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

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

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.

Perbandingan Respon Tanaman Terhadap Aplikasi Pupuk Majemuk: Analisis dan Temuan Utama Mulyani, Oviyanti; Joy, Benny; Remona, Rizkiyani
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.v22i1.57233

The use of compound inorganic fertilizers in plant cultivation systems is on the rise because of their practicality, more comprehensive and homogeneous nutrient availability, and potential to reduce production costs. Different combinations of compound fertilizer products can generate a variety of responses in terms of plant growth. The aim of this investigation was to assess how plants responded to the components of their results, specifically the variations in two distinct compositions of compound fertilizers. This investigation divided 60 experimental sites into two groups, each using two distinct types of compound fertilizers. The macronutrient content of the compound fertilizers (NK and NP), distinguished them. This study employed nine treatments, which included a control (without fertilizer treatment), conventional NPK fertilizer, a combination of NPK fertilizers (3/4, and 1) doses with (1/2, 3/4, 1 and 1) doses of compound fertilizer, and a randomized block design Each treatment was repeated three times. The results of this study suggest that the application of compound fertilizer with two distinct compositions has a substantially different effect than the control treatment. In comparison to compound fertilizers with a higher potassium content, which have a yield component value of RAE 134%, the application of compound fertilizers with a higher phosphorus content can provide a higher yield component value of RAE 127.92%. The function of applying potassium-containing nutrients can produce better outcomes for corn plant than those with higher phosforus content, making it an interesting study that should be investigated further in the future

Pengembangan Kesehatan Tanah Berbasis Zeolit: Strategi Perbaikan Sifat Kimia Tanah Secara Berkelanjutan Mulyani, Oviyanti; Sudirja, Rija; Solihin, Eso; Sara, Dirga Sapta; Husein, Anne Yuliana
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.v23i1.66072

These chemical residues affect the natural balance of soil biota, leading to a decrease in soil pH, areduction in Cation Exchange Capacity (CEC), and a general decline in land productivity. If not treatedpromptly, this damage could harm health and food sustainability. The application of eco-friendlyproducts in modifying soil characteristics, including high-quality zeolite, remains common today. Thisstudy aims to examine the effects of zeolite application on the dynamics of soil chemical characteristicsto promote the development of a sustainable agricultural system. This study employed a RandomizedBlock Design (RBD) containing six different treatments such as five varying recommendation dosagesof zeolite (0.5, 1, 1.5, 2, and 2.5) and one control treatment devoid of zeolite for comparative analysis.Each treatment was reproduced three times, yielding a total of eighteen experimental plots. Soilchemical parameters (pH and CEC) are the primary focus of this experiment. The study's resultsindicated that during the last weeks of testing, applying 1.5 to 2 doses of zeolite proved to be the mostbeneficial, as it continuously raised the pH and CEC levels. Both Pearson and Spearman tests indicatethat the correlation between variables improves from first week to week fourth week. This suggeststhat the effects of the treatment, possibly zeolite application or an alternative treatment, start afterseveral weeks. The results of this investigation indicate that incubation time in zeolite applicationimportant for exhibits effective buffering properties and functions efficiently, significantly improvingthe chemical properties in soil.

Peranan Pupuk Magnesium–Sulfur (Kieserit) dalam Memperkuat Efisiensi Pemupukan NPK dan Produktivitas Jagung Manis pada Inceptisol Mulyani, Oviyanti; Sofyan, Emma Trinurani; Joy, Benny
Soilrens Vol 23, No 2 (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.v23i2.69712

Modern agriculture largely depends on NPK fertilization however, the neglect of secondary nutrients, particularly magnesium (Mg) and sulfur (S), has increasingly led to nutrient imbalances andreduced fertilizer efficiency. Magnesium plays a crucial role in photosynthesis, energy transfer, andenzyme activation, and its deficiency often referred to as the “forgotten element” has become moreprevalent in intensive cropping systems and leached mineral soils. This study aimed to evaluate therole of magnesium–sulfur (Mg–S) fertilizer derived from kieserite in enhancing the growth and yieldof sweet corn (Zea mays saccharata L.) cultivated on Inceptisol soil. This study used a RandomizedBlock Design (RBD) with seven different combination treatments between kieserite (½; ¾; 1; 1 ½ andNPK (¾ and 1) recommended dosages, one treatment recommendation dose of local farmer and onetreatment without fertilizer for comparison. Each treatment was replicated three times, resulting in atotal of twenty-seven experimental plots. Soil chemistry parameters as a main object of thisexperiment. The results of this study showed that the application of kieserite inorganic fertilizersignificantly improved N, P, K, and Mg concentrations in plant tissue, increased total soil Mg content,and enhanced yield components of sweet corn compared to the control and standard NPK treatments.The combined application of one dose of kieserite (300 kg ha⁻¹) and the recommended NPK rate (350–100–50 kg ha⁻¹) produced the highest yield, reaching 14.24 t ha⁻¹, indicating that balanced Mg–Ssupplementation is essential for optimizing nutrient efficiency and maximizing sweet cornproductivity on Inceptisol soils.

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 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 Djuansah, Muhamad Rahman 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 Hermawan, Mega Kartika Husein, Anne Yuliana Husen, Anne Yuliana Ilma Agnia Irwandhi, Irwandhi M. I. Janitra M. I. Janitra, M. I. Marisa Puspita Dewi Mieke Rochimi Setiawati 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

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