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Putra Utama
Departemen Teknik Sipil FT. UNDIP JL. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Social Sciences Veterinary

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ISOLASI BERBAGAI MIKROBA PADA RHIZOSFIR TANAMAN JAGUNG ., Nurmayulis; Setiawati, Mieke Rochimi; Utama, Putra; ., Susiyanti
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 (23.242 KB) | DOI: 10.33512/j.agrtek.v1i2.596

Abstract

ABSTRACT Biodiversity of potential  soil microbes has been regarded as biological fertilizer of Zea mays in marginal land. A few microbe increased the rate of growth  of plant throught absorbtion slow released N and P in soil. The isolation, identification and population of soil microbes from rizosphere at Walantaka (Banten province) had been done in the Soil Biology Laboratories and the greenhouse, Pajajaran University- Bandung, during Mei to Agustus 2009. The soil was collected randomly from sites in Walantaka. To increase N and P using trapping and selection medium from from rizosphere at Walantaka (centre of Zea mays production), province of Banten.  The Exploration of potential microbe Isolates of Azotobacter, Azospirillum, microbes dissolver phosphate (MPF) dan Mycorrhyzae microbes were identified and were founded in soil samples. The result showed, on okon selection medium  can be found 4 Azospirillum, on Ashby medium  lived 4 Azotobacter,  and Pikovskaya medium got 2 MPF and Mycorrhyzae microbes.Key words: marginal land, Azospirillum, Azotobacter, MPF, Mycorrhyzae, Zea mays
UJI DEFISIENSI FOSFOR PADA BEBERAPA KLON TEBU (Saccharum officinarum L) SECARA IN VITRO Utama, Putra; ., Susiyanti; Fatmawaty, Andi Apriany
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 (23.242 KB) | DOI: 10.33512/j.agrtek.v1i2.622

Abstract

ABSTRACTPhosphorus deficiency test research in several clones of sugar cane produced in seven months has been carried out during 25 April-25 November 2007 in the Laboratory ICBB, Nagrak Cilubang-Bogor. The purpose of this research is to influence the interaction between phosphoru concentration of sugarcane clones. This research using completely randomized design arranged as a factorial with two factors. The first factor is composed of sugarcane clones with three levels different there are: cv. Triton (V1), cv. PSJT 94-41 (V2), and cv. PA 175 (V3). The second factor is the addition of KH2PO4 in the culture medium modification of P deficiency consisting of six levels, namely: 0 mg/l KH2PO4 (D1), 34 mg/l KH2PO4 (D2); 68 mg /l KH2PO4 (D3); 102 mg /l KH2PO4 (D4); 136 mg /l KH2PO4 (D5) and 170 mg /l KH2PO4 (D6). Results obtained by the interaction between concentration of P given by clones tested in vitro, and sugarcane cv PA 175 best growth on media by providing 170 mg /l KH2PO4Key words: Saccharum officinarum L, phosphorus, devisiensi, in vitro
STUDI SISTEM USAHATANI PADI BERBASIS AGRIBISNIS DI KABUPATEN SERANG (KECAMATAN PONTANG, KASEMEN DAN TIRTAYASA) Suhendar, Dusep; Utama, Putra; Uzliawati, Lia
Indonesian Journal of Socio Economics Desember, Jurnal Sosio Ekonomika
Publisher : Lampung University

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Abstract

This research intends to detemine paddy farming in Serang District, including the application of insus type D, production per season, and the effect of such tehcnological application to the production and income of paddy farming.  The study employs survey method while the research sites are purposevely selected, i.e.Pontang, Kasemen, and Tirtayasa subdistricts. The study interveiwed 30 farmers who were selected using stratified random sampling, i.e: board and regular member of farmers group. The study suggests that production of paddy farming  has improved by 94% after using insus type D technology. Average production of irrigated paddy farming is 61,2 quintal per hectare of GKP which is only 68% of the intended production target, i.e. 90 quintal per hectare per season.  Break Even Point is reaced at Rp. 2.468.449, or production of 2.194 kg, or at farm size of 0,36 ha, with ratio of revenue to cost or R/C at 1,74.  In conclusion, the tehcnology is proved to be profitable for farmers.
KAJIAN PENGENDALIAN EROSI PADA SUNGAI PEDES KABUPATEN BREBES Wirawan, Andreas Raditya; Utama, Putra; Suharyanto, Suharyanto; Edisono, Sutarto
Jurnal Karya Teknik Sipil Volume 5, Nomor 2, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Pedes River is one of a branch of Glagah River at Brebes Regency. The length of Pedes River is ±29.175 km and the catchment area is 46.565 km2. Most of resident at Pedes River work as miner of the C excavation material. Mining activity that continuously occure cause the slope of the river is quite big so the velocity of the water is raising. The velocity of the water at Pedes River cause erosion that occure along the river. This condition is compounded by meandered shape of the river and the riverbank is steep. Erosion that occure eroded riverbank and riverbed. The effect of erosion are the slope of the river grows bigger, and landslide at some place in the river. Check dam is one of the solution to minimize the slope of the riverbed. But for the comprehensive solution along the river, study about erosion control is needed to determine solution along the Pedes River.
The Efektivitas Rhizobakteria dan Pupuk Kotoran Kambing pada Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Saskia, Novi; Firnia, Dewi; Utama, Putra; Sodiq, Abdul Hasyim
JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Vol. 9 No. 3 (2024)
Publisher : Department of Agribusiness, Halu Oleo University Jointly with Perhimpunan Ekonomi Pertanian Indonesia - Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/jia.v9i3.1145

Abstract

Shallot plants come in various types and are essential in preparing food, driving the need for increased production. In Indonesia, one popular variety is Bima Brebes. This study aims to accelerate the growth and productivity of Bima Brebes shallots using rhizobacteria and goat manure fertilizer. An unexpected group design was employed in the April–June experimental study, and two factors were subjected to ANOVA and the Duncan Multiple Range Test (DMRT) at a 5% significant level. Rhizobacteria (R) at concentrations of 0 mililiter, 5 mililiter, 10 mililiter, and 15 mililiter was the first factor. The second factor was goat manure fertilizer (K) at doses of 0 ton/hektar, 10 ton/hektar, 20 ton/hektar, and 30 ton/hektar, with three replicates, resulting in a total of 48 plants. Plant height, leaf count, tuber diameter, number of tubers per clump, and weight of wet and dry tubers per clump were among the tracked variables. A 15 ml/liter rhizobacteria concentration significantly improved plant growth, achieving a plant height of 37.04 cm, 6.79 tubers per clump, 85.83 g wet mass per cluster, and 50.33 g dry mass per cluster. Similarly, a goat manure fertilizer dose of 30 t/ha positively impacted bulb weight, increasing it to 39.17 g. He combined rhizobacteria and goat manure fertilizer to enhance plant growth by supplying critical micronutrients and promoting vegetative development. There was a notable interaction between rhizobacteria concentration and goat manure fertilizer.
Pengaruh Salinitas dan Pupuk Hayati Mikoriza terhadap Pertumbuhan dan Hasil Tanaman Tomat (Solanum lycopersicum L.) Ramadini, Firda; Sodiq, Abdul Hasyim; Sulistyorini, Endang; Utama, Putra
JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Vol. 9 No. 3 (2024)
Publisher : Department of Agribusiness, Halu Oleo University Jointly with Perhimpunan Ekonomi Pertanian Indonesia - Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/jia.v9i3.1252

Abstract

This study aimed to determine the effect of different salinity levels and the application of mycorrhizal biofertilizer on the growth and yield of tomato plants. The research was conducted from January 13 to March 23, 2024, on Jl Sultan Ageng Tirtayasa, Tirtayasa District, Serang Regency, Banten Province. The research was structured in a Randomized Group Design (RAK) with two factors. The first factor is salinity, which has four experimental levels: S0 = control, S1 = salinity 3-4 ds/m, S2 = salinity 5-6 ds/m, and S3 = salinity 7-8 ds/m. The second factor is Mycorrhiza Biological Fertilizer, which has four experimental levels: M1 = Mycorrhiza 5 grams, M2 = Mycorrhiza 10 grams, M3 = Mycorrhiza 15 grams and M3 = Mycorrhiza 20 grams. There are 16 combinations, and they are repeated three times to get 48 experimental units. Each experiment had two plants until there were 96 plants. Data were checked using DSAASTAT. If the variance test findings are significantly or very significantly different, then the Duncan Multiple Range Test (DMRT) is used at the 5% level. The results showed that administering a salinity level with a salinity concentration of 4-5 ds/m showed a significant difference in the fruit diameter parameters. Meanwhile, the salinity level with a salinity concentration of 3-4 ds/m showed significant differences in root length parameters. Meanwhile, the control treatment showed very significant differences in root weight parameters. Applying mycorrhizal fertilizer at a dose of 15 grams showed significant differences in root length, root weight, plant wet weight, and plant dry weight. Mycorrhiza failed to infect the roots of tomato plants because nothing showed any of the structures of mycorrhiza, namely hyphae, vesicles, arbuscular, and spores on the roots of tomato plants.
PENGARUH LAMA PENYINARAN LAMPU LED (Light Emitting Diode) DAN JENIS MEDIA TANAM TERHADAP PERTUMBUHAN MICROGREENS BAYAM MERAH (Amaranthus tricolor L.) Maseva, Salsabila; Utama, Putra; Sodiq, Abdul Hasyim; Rohmawati, Imas
Agros Journal of Agriculture Science Vol 26, No 1 (2024): Edisi APRIL
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i1.4204

Abstract

The concept of urban farming, such as microgreens, as an effort to increase indoor plant cultivation, can be a solution to land problems. This research was carried out to determine the response of providing long periods of LED lighting and different types of planting media on the growth and production of red spinach microgreens (Amaranthus tricolor L.). The method used in this research is an experimental method with a Split Plot Design (Split plot or ) which consists of two factors, namely the length of exposure of the LED lights as the main plot with 4 levels including 14 hours of exposure, 16 hours of exposure, 18 hours of light, and 20 hours of light and types of planting media as sub plots with 4 levels including cocopeat, zeolite, malang sand and husk charcoal which was carried out with 3 repetitions . The results showed that there was an interaction between alignment time and planting media on the observation parameters of plant height, wet weight, wet crown weight and root length, while the number of leaves was not significantly different. Key-words: long exposure time, planting media, red spinach microgreen INTISARIKonsep urban farming seperti microgreens sebagai salah satu upaya untuk meningkatkan budidaya tanaman dilakukan secara indoor, dapat menjadi salah satu solusi dari permasalahan lahan. Penelitian ini dilaksanakan untuk mengetahui respons pemberian lama penyinaran lampu LED dan jenis media tanam yang berbeda terhadap pertumbuhan dan hasil produksi microgreens bayam merah (Amaranthus tricolor L.). Metode yang digunakan dalam penelitian ini adalah metode eksperimental dengan Rancangan Petak Terbagi (Split plot) atau yang terdiri dari dua faktor, yaitu lama penyinaran lampu LED sebagai main plot dengan 4 taraf, yaitu 14 jam penyinaran, 16 jam penyinaran, 18 jam penyinaran, dan 20 jam penyinaran dan jenis media tanam sebagai sub plot dengan 4 taraf , yaitu cocopeat,  zeolite, pasir malang, dan arang sekam yang   dilakukan dengan 3 kali ulangan. Hasil penelitian menunjukkan bahwa terjadi interaksi antara lama penyinaran dan media tanam pada parameter pengamatan tinggi tanaman, bobot basah, bobot basah tajuk, dan panjang akar sedangkan pada jumlah daun tidak berbeda nyata. Kata kunci : lama penyinaran, media tanam, microgreen bayam merah
Keragaman Morfologi, Hasil dan Kualitas Hasil Lima Populasi Melon (Cucumis melo L.) Hasil Topcross Khafiizhi, Muhamad; Utama, Putra; Roidelindho, Kiki; Millah, Zahratul; Natawijaya, Azis; Muslimah, Rahma Nurul
Zuriat Vol 35, No 2 (2024): September, 2024
Publisher : Breeding Science Society of Indonesia (BSSI) / PERIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/zuriat.v35i2.57385

Abstract

Tanaman melon (Cucumis melo L.) merupakan salah satu tanaman buah yang sangat beragam dalam hal morfologi, baik dari segi bentuk, ukuran, warna, dan tekstur. Tujuan dari penelitian ini adalah untuk mengetahui keragaman morfologi hasil dan kualitas hasil 5 populasi melon hasil Topcross. Pemahaman terkait keragaman tanaman ini sangat diperlukan dalam rangka melakukan perbaikan hasil maupun kualitas hasilnya. Penelitian ini dilakukan di Kebun Percobaan PT. Fitotech Agri Lestari Dramaga, Kabupaten Bogor. Metode penelitian menggunakan Single plant dengan 5 perlakuan tanpa ulangan. Analisis yang digunakan yaitu analisis sidik ragam, analisis statistik deskriptif dan analisis klaster. Berdasarkan analisis sidik ragam, terdapat keragaman karakteristik pada kelima populasi yang diuji, kecuali diameter batang menunjukan keseragaman pada kelima populasi. Sedangkan berdasarkan analisis statistik deskriptif menunjukan keseragaman pada masing-masing populasi. Terdapat kesamaan karakteristik antara galur TC-6 dan TC-4 berdasarkan hasil uji klaster. Sedangkan pada galur TC-1 tidak memiliki kesamaan karakteristik dengan populasi yang diuji.
APLIKASI PUPUK VERMIKOMPOS DAN POC URIN SAPI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Solanum lycopersicum) Yulianti Tampubolon, Melani Ratni; Utama, Putra; Muztahidin, Nur Iman; Rohmawati, Imas
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 8, No 2 (2024): September
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v8i2.618

Abstract

This study aimed to determine the effect of vermicompost fertilizer dose and concentration of cow urine Liquid Organic Fertilizer (LOF) on the growth and yield of tomato plants (Solanum lycopersicum). This research was an experimental study conducted from March to May 2024. The experimental design used in this study was a factorial Randomised Group Design (RGD) consisting of two factors. The first factor was the dose of vermicompost fertilizer, which consisted of 4 levels, including 0 g/plant, 35 g/plant, 45 g/plant, and 55 g/plant. The second factor was the cow urine concentration LOF, which consisted of four levels: 0 ml/l, 30 ml/l, 60 ml/l, and 90 ml/l. The results showed that the treatment with a vermicompost fertilizer dose of 45 g/plant had the best effect on the parameters of plant height at 4 weeks (79.16 cm), 5 weeks (94.58 cm), and 6 weeks (117.08 cm), and stem diameter at 4 weeks (6.00 mm), 5 weeks (7.01 mm), and 6 weeks (7.94 mm). The concentration of cow urine LOF at 60 ml/l had the best effect on the parameters of plant height at 4 weeks (78.50 cm), 5 weeks (95.66 cm), and 6 weeks (116.25 cm), the number of fruits per plant (12.83 fruits), and fruit weight per plant (474.75 g). There was an interaction between the treatment of vermicompost fertilizer dose and concentration of cow urine, with a combination of 45 g/plant of vermicompost and 60 ml/l cow urine having the best effect on the parameter of plant height 6 weeks after planting (123.33 cm).
KEBUTUHAN AIR IRIGASI PADA BIBIT TANAMAN ALPUKAT VARIETAS KENDIL HASIL SAMBUNG PUCUK MENGGUNAKAN CROPWAT 8.0 Fauziah, Asti; Romdhonah, Yayu; Utama, Putra; Ritawati, Sri; Susiyanti, Susiyanti
AGROVITAL : Jurnal Ilmu Pertanian Vol 8, No 2 (2023): AGROVITAL VOLUME 8, NOMOR 2, NOVEMBER 2023
Publisher : Universitas Al Asyariah Mandar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35329/agrovital.v8i2.4832

Abstract

Alpukat adalah tanaman hortikultura yang bermanfaat untuk meningkatkan dan mempertahankan kesehatan tubuh manusia. Salah satu cara untuk memperbanyak tanaman baik itu secara vegetatif ataupun generatif adalah dengan pembibitan. Sambung pucuk merupakan metode perbanyakan yang sering digunakan pada pembibitan alpukat secara vegetatif. Perbandingan antara jumlah air yang tersediapada lahan dan jumlah air yang diperlukan tanaman selama masa pertumbuhan sangat penting untuk keberhasilan kegiatan pertanian. Alternatif yang dapat digunakan untuk menduga jumlah  air yang diperlukan pada tanaman dapat dilakukan dengan bantuan dari software Cropwat 8.0. Adapun tujuan dari penelitian ini ialah untuk mengetahui jumlah air yang dibutuhkan pada bibit tanaman Alpukat varietas Kendil menggunakan Cropwat 8.0. Software Cropwat 8.0 memerlukan data iklim, data curah hujan, data tanah, serta data tanaman untuk mengetahui berapa banyak kebutuhan air irigasi pada tanaman. Hasil penelitian menunjukkan bahwa kebutuhan air irigasi untuk bibit Alpukat varietas Kendil adalah 142 ml per polybag serta total kebutuhan air irigasi pada  bibit tanaman Alpukat varietas Kendil selama satu tahun adalah 864,8 mm.
Co-Authors Abdul Hasyim Sodiq, Abdul Hasyim Andi Apriany Fatmawaty, Andi Apriany Andreas Raditya Wirawan, Andreas Raditya Dewi Firnia Dusep Suhendar, Dusep Fauziah, Asti Imas Rohmawati, Imas Khafiizhi, Muhamad Kusmutafmi, Sabrina Wien Lia Uzliawati Luh Made Indah Sri Handari Adiputra Maseva, Salsabila Mieke Rochimi Setiawati Muslimah, Rahma Nurul Muztahidin, Nur Iman Natawijaya, Azis Nurmayulis Ramadini, Firda Roidelindho, Kiki Rumbiak, Julio Eiffelt Rossafelt Saskia, Novi Sri Ritawati Sulistyorini, Endang Susiyanti, Susiyanti Sutarto Edisono, Sutarto Yayu Romdhonah Yulianti Tampubolon, Melani Ratni Zahratul Millah