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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 Other

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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.
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.
PENGARUH PEMBERIAN KONSENTRASI PUPUK ORGANIK CAIR URINE KELINCI TERHADAP PERTUMBUHAN DAN HASIL TIGA VARIETAS TANAMAN SELADA (Lactuca sativa L.) SECARA HIDROPONIK SISTEM SUMBU Kusmutafmi, Sabrina Wien; Utama, Putra; Rumbiak, Julio Eiffelt Rossafelt; Sodiq, Abdul Hasyim
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.v8i2.4830

Abstract

Meningkatnya permintaan selada tidak sejalan dengan peningkatan produksinya. Akibat dari ketersediaan lahan yang sempit, maka diperlukan metode budidaya secara hidroponik dengan pemberian POC urine kelinci dan penggunaan varietas unggul sehingga dapat meningkatkan produksi tanaman selada. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian konsentrasi Pupuk Organik Cair (POC) urine kelinci terhadap pertumbuhan dan hasil tiga varietas tanaman selada (Lactuca sativa L.). Penelitian ini menggunakan Split Plot Design, petak utama adalah konsentrasi POC urin kelinci (K) yang terdiri dari empat taraf, yaitu k1 (6 ml/l), k2 (12 ml/l), k3 (18 ml/l) dan k4 (24 ml/l), dan anak petak yaitu varietas selada (V) terdiri dari tiga taraf, yaitu v1 (new grand rapid), v2 (red rapid), dan v3 (LE 873). Hasil penelitian menunjukkan bahwa perlakuan konsentrasi POC urin kelinci k3 memberikan hasil terbaik pada tinggi tanaman, jumlah daun, bobot basah tanaman dan bobot kering tanaman. Perlakuan varietas selada v1 memberikan hasil terbaik pada tinggi tanaman, luas daun, bobot basah tanaman dan bobot kering tanaman. Terdapat interaksi pada kombinasi perlakuan konsentrasi POC urine kelinci k2 dan varietas selada v2 pada parameter jumlah daun.Keywords: Selada; Hidroponik; POC Urine Kelinci
The effect of coffee grounds compost and planting media on the growth and yield of kailan plants (Brassica oleracea L.) Hutomo, Antoseno Priyo; Ritawati, Sri; Roidelindho, Kiki; Utama, Putra
Gema Wiralodra Vol. 15 No. 1 (2024): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v15i1.672

Abstract

The research aimed to determine the effect of composting from coffee waste and planting media composition on the growth and yield of the kailan plant (Brassica oleracea L.). This research was conducted from June until September 2023 in Pagenjahan Village, Kronjo District, Tangerang Banten. The method used a Randomized Completely Block Design (RCBD) as factorial with two factors and analyzed using SPSS. The first factor was the Compost from Coffee Waste (K) which consisted of four levels namely; 0 g Coffee Waste (K1), 10 g Coffee Waste (K2), 20 g Coffee Waste (K3), and 30 g Coffee Waste (K3). The second factor was the Planting Media Composition (M) which consisted of three levels namely; Topsoil Planting Media (M1), Topsoil Planting Media + Rice Husk Charcoal 1:1 (M2), Topsoil Planting Media + Cocopeat 1:1 (M3). The results showed that compost from coffee waste with 20 g dose (K2) had the best effect on the number of leaves at 14 DAP (Days After Planting), leaf area, total fresh weight, fresh weight consumption, and dry weight parameters. Planting media composition with Topsoil Planting Media + Cocopeat 1:1 (M3) had the best effect on the leaf area parameter. There was an interaction between compost from coffee waste and planting media composition on plant height at 14 DAP and 28 DAP. Nasution (2014), coffee waste influences the growth and yield of long bean plants (Vigna sinensis L.) and the best concentration is 20 grams.
Co-Authors Abdul Hasyim Sodiq, Abdul Hasyim Andi Apriany Fatmawaty, Andi Apriany Andreas Raditya Wirawan, Andreas Raditya Astuti, Risma Ayu Ayuni, Sarah Dewi Firnia Dusep Suhendar, Dusep Fauziah, Asti Hutomo, Antoseno Priyo 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 Nuniek Hermita, Nuniek Nurmayulis Rahmawati, Imas Roidelindho, Kiki Rumbiak, Julio Eiffelt Rossafelt Rumbiak, Julio Eiffelt Rossaffelt Saesarani, Ayu Saputra, Agis Sinaga, Daniel Carlos Pinondang Sri Ritawati Sulistyorini, Endang Susiyanti, Susiyanti Sutarto Edisono, Sutarto Yayu Romdhonah Yulianti Tampubolon, Melani Ratni Zahratul Millah