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All Journal Journal of Indonesian Economy and Business Majalah Ilmiah MOMENTUM PROSIDING SEMINAR NASIONAL AGRIBISNIS JURNAL AGRICA YUME : Journal of Management Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Jurnal Ilmiah Cendekia Eksakta Jurnal Inovasi Teknik Kimia Jurnal Penelitian Agrisamudra Jurnal Litbang Provinsi Jawa Tengah Proceedings Series on Physical & Formal Sciences Prosiding Seminar Nasional Program Pengabdian Masyarakat AKADEMIK: Jurnal Mahasiswa Ekonomi & Bisnis Journal of Applied Agricultural Science and Technology Mediagro Prosiding Seminar Nasional Mini Riset Mahasiswa National Multidisciplinary Sciences Journal Of Agribusiness, Social and Economic Jurnal Ekonomi Pertanian dan Agribisnis

Renan Subantoro

Universitas Wahid Hasyim

Author-ID : 3002637

Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences

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PENGARUH PEMANGKASAN KUNCUP APIKAL TERHADAP PRODUKSI BIJI DAN KADAR KLOROFIL DAUN ALFALFA (Medicago sativa L) Renan Subantoro; Rossi Prabowo
MEDIAGRO Vol 14, No 1 (2018)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/mediagro.v14i1.2618

Alfalfa plant in Indonesia its not easy to produce flowers and seeds. Flower production is also affected by cutting the apical bud. At this time there is no research on the effect of cutting the length of the apical bud of the flower and seed production of alfalfa, both in quantity and quality. Thus this study examines the apical bud cutting the length of the seed production and alfalfa leaf chlorophyll content. The purpose of this study was to determine the most optimal length of the apical bud cutting to produce optimal growth and production of alfalfa seed. Outcomes and benefits of this research are: a). Provide information for other researchers on seed production and alfalfa leaf chlorophyll content were treated with different apical bud cutting, which will carry out further research. b). Provide recommendations to stakeholders on the apical bud cutting the most optimal for alfalfa plants that produce highest seed production and alfalfa leaf chlorophyll content. c). Providing information for farmers and researchers on alfalfa seed development opportunities for the tropic zone. Research using randomized complete block design with four replications. This study was a single-center trial with a treatment of various lengths cutting apical bud. Apical bud cutting long treatment include without cutting, cutting apical bud length of 5 cm, 10 cm, 15 cm, 20 cm and 25 cm from the ground. When cutting is done when the plants aged 6 weeks after planting. The results of the study showed that the alfalfa plant leaf extract can be produced which is solid green chlorophyll that has the potential to be used as raw material for the manufacture of supplement health drinks. Alfalfa flower has emerged in the 4th month, this occurred in the treatment of cutting 5 cm. It shows the probability that the flower has the potential to develop into seeds. Keywords: alfalfa, cutting, chlorophyll, seeds, apical bud

STUDI PENGUJIAN DETERIORASI (KEMUNDURAN) PADA BENIH KEDELAI Renan Subantoro
MEDIAGRO Vol 10, No 1 (2014)
Publisher : Universitas Wahid Hasyim

The aim of research is to study the decline of soybean seed by using a salt solution to adjust the save room humidity of 90%, 60% and 40%. Experiments using 3 x 3 factorial design arranged in a completely randomized design were repeated 4 times. The first factor is the humidity space saving seeds comprising three levels, namely: 80-90% relative humidity, relative humidity 60% and 40-50% relative humidity. The second factor is the moisture content of the seeds which consists of two levels, namely: water content of 9% and 13% moisture content. The results showed that: 1) the high humidity of disk space using KNO3 (relative humidity of 90%) accelerate the deterioration of the soybean seed. 2) high humidity disk space using KNO2 and NaBr (relative humidity of 40% and 60%) slows the deterioration in soybean seed. 3) Humidity 40% space savings and storage time 2 weeks generate power grows better than store room humidity is higher and longer storage time. Keywords: Deterioration, humidity, soybean seeds, storage

PENGARUH GA-3, KOMPOS, PUPUK ORGANIK CAIR, DAN TSP TERHADAP PERTUMBUHAN DAN PERKEMBANGAN TANAMAN ALFALFA (Medicago sativa L.) Renan Subantoro; Sri Wahyuningsih; Rossi Prabowo
MEDIAGRO Vol 3, No 1 (2007)
Publisher : Universitas Wahid Hasyim

Alfalfa merupakan suatu komoditas tanaman legume yang mempunyai kandungan khlorofil dan protein relative tinggi dibanding tanaman lain. Tanaman alfalfa dalam terminologi bahasa Arab mempunyai arti sebagai “Bapak dari semua makanan” yang dipercaya sebagai tanaman yang berfungsi untuk menyembuhkan berbagai macam penyakit. Untuk mengetahui kiprah dari berbagai aspek yaitu peternakan, farmasi, serta agronomi perlu dikaji lebih mendalam melalui kegiatan penelitian ilmiah. Maka kegiatan penelitian dari aspek agronomi ini bertujuan untuk memperoleh ilmu terapan dalam bidang agronomi khususnya teknologi benih Alfalfa. Perlakuan yang dicobakan dalam penelitian adalah untuk mengetahui kiprah senyawa pengatur tumbuh (GA-3), serta berbagai macam jenis pupuk (Kompos, Pupuk Organik Cair dan TSP) terhadap pertumbuhan dan perkembangan tanaman Alfalfa (Medicago sativa L.). Data hasil pengamatan utama dianalisis dengan menggunakan uji BNJ pada taraf 5%. Berdasarkan hasil penelitian menunjukkan bahwa GA-3, Kompos, Pupuk Organik Cair dan TSP mempunyai kiprah yang nyata terhadap pertumbuhan dan perkembangan tanaman Alfalfa (Medicago sativa L). Hasil penelitian ini dapat dimanfaatkan oleh berbagai pihak untuk mengkaji lebih mendalam tentang pengembangan potensi tanaman Alfalfa (Medicago sativa L). Key Word : Alfalfa, Benih Alfalfa, Kompos, Pupuk Organik Cair, dan TSP.

ANALISIS KOMPARATIF KELAYAKAN USAHATANI PEMBIBITAN TOMAT (Lycopersicon esculentum Mill) VARIETAS SERVO DAN LARISA DI DESA BANYUKUNING KECAMATAN BANDUNGAN KABUPATEN SEMARANG Nika Shella Agustin; Renan Subantoro; Rossi Prabowo
MEDIAGRO Vol 15, No 2 (2019)
Publisher : Universitas Wahid Hasyim

ABSTRACT Horticultural crops are that have great prospects subsectors, due to their high demand and relatively high commercial value. The purposes of this research were to determine revenues, incomes, RC Ratios, and to compare the income levels and RC Ratios of seedling both Varieties of Servo and Larisa. The research method used in this research was a descriptive analytical method, and the sampling method applied to it was a purposive sampling. This research was conducted in the Banyukuning Village, Bandungan District, Semarang Regency. Fifteen respondents were taken in this research and using the census method, all of these respondents were farmers who were actively seedling tomato. The data was obtained from primary and secondary data by conducting observation, interview, questionnaire, documentation, recording, and literature review. The analytical methods used feasibility analysis and statistical analysis (independent sample t-test). The analysis showed that Servo succeeded to obtain revenue of Rp.4,971,400.- while Larisa gained Rp.1,369,000.-. In relation to income, the first variety reached Rp.1,938,048.18, while the later earned Rp.519,438.39. Additionally, the value of R/C of Servo variety was 1.62, while that of Larisa variety was 1.55. Between Servo and Larisa Varieties in terms of revenue there is significant difference, while in terms of the value of R/C there is no significant difference. Key words: Seedling, Revenue, income, Feasibility, comparisons.

ANALISIS KELAYAKAN USAHATANI UBI JALAR (Ipomoea batatas L.) VARIETAS CILEMBU DI DESA KEPUNDUNG KECAMATAN REBAN KABUPATEN BATANG Laili Chasanah; Lutfi Aris Sasongko; Renan Subantoro
MEDIAGRO Vol 14, No 2 (2018)
Publisher : Universitas Wahid Hasyim

This Research aims to know the revenue level, and the feasibility level of Cilembu Varieties Sweet Potato Farming in terms of BEP and R/C. The basic method used is descriptive. Determination of location sample is done purposively. The data used are primary and secondary data. The data was collected by interview, recording and observation. The respondents in this study were 25 farmers. Based on research the total cost is Rp.1,423,483/planting season (for 0.1-0.15 ha land area), Rp.2,761,542/planting season (for 0.2-0.25 ha land area) and Rp.6,278,958/planting season (for 0.3–0.5 ha). Total costs consist of equipment depreciation costs, tax cost, tractor cost of fertilizer costs, pesticide costs, female labor costs, male labor costs, transport cost and sack costs. While revenue is Rp.1,535.000/planting season (for 0.1–0.15 ha), Rp.3,768,571/planting season (for 0.2–0.25 ha), Rp.8,666,667 planting season (for 0.3-0.5 ha). Based on the calculation, it is known that the average return sweet potato farm is Rp.111,518/planting season (for 0,1–0,15 ha), Rp.1,007,030/planting season (for 0.2–0.25 ha) and Rp.2,387,708/planting season (for 0.3–0.5 ha). BEP value of production quantity is equal to 1,311 kg/planting season (for 0.1–0.15 ha), 2,099 kg/planting season (for 0,2–0,25 ha) and 6,279 kg/planting season (for 0.3– 0.5 ha. While Break Even Point on price is Rp.1,079/kg (for 0.1–0.15 ha), Rp.1,179/kg (for 0.2–0.5 ha) and Rp.752/kg (for 0.3–0.5 ha). Based on the analysis of the R/C with a value of 1.07 for land area 0.1-0.5 ha, 1.36 for 0.2-0.25 ha land area and 0.38 for 0.3-0.5 ha.Keywords: Sweet Potato, Revenue, Return, BEP, R/C

KUALITAS AIR DAN BEBAN PENCEMARAN PESTISIDA DI SUNGAI BABON KOTA SEMARANG Rossi Prabowo; Renan Subantoro
MEDIAGRO Vol 8, No 1 (2012)
Publisher : Universitas Wahid Hasyim

River is an important component of the environment can not be separated from agricultural fields and plantations. Rivers play an important role in irrigation of agricultural crops and plantation society. Baboons current river conditions are thought to have experienced a decline in water quality due to various human activities such as residential, agricultural and industrial. Water quality degradation caused by agriculture and plantations because in order to increase agricultural production and farming, both quantitative and qualitative, have supported the use of pesticides. In its implementation, the use of these pesticides often do not follow the rules, which tend to be in high quantity in order to get quick results in halting the growth of pests and diseases. Pesticides used on farm fields, most or even all will fall into the water and polluting the waters. This study aims to analyze the water quality of the river baboons by river water quality standards according to Government Regulation No. 82 of 2001, as well as analyzing the pollution load entering the river Pesticides baboons derived from agricultural activities. The results showed BOD and COD at some point has exceeded the quality standard required. The index value of the upstream to downstream pollution tends to increase, exceeding the quality standards specified in the criteria unyuk river water quality standard Class II. River baboons have contained residues of endosulfan insecticide in concentrations ranging from 0.6 to 3.0 ug / L.

PENGKAJIAN VIABILITAS BENIH DENGAN TETRAZOLIUM TEST PADA JAGUNG DAN KEDELAI Renan Subantoro; Rossi Prabowo
MEDIAGRO Vol 9, No 2 (2013)
Publisher : Universitas Wahid Hasyim

Tetrazolium test is a test of dehydrogenase enzyme activity in seed tissue, so that the tissue is known to live or die in the embryo. The basic principle of this test is used chemical reduction of tetrazolium chloride 3,3,5 Triphenil initially colorless be red tissue. Staining intensity indicates the viability of the tissue. Tissue on seed dies, certainly not able to germinate seeds or germinated abnormally. This experiment using corn seed (monocots) and soybean seed (dicots). Testing seed viability quickand topography using tetrazolium salt solution and to control seed viability testing with germinated in germination plate. Both of these tests using a t-test. The results of the study are: corn seed viability testing quick by using the tetrazolium test can be conducted show significantly different results with the results of direct germination test (control), environmental factors on the test field with sand media should be controlled so that the optimum for germination, and seed are still viable indicated by a color change in the embryo and endosperm become red. . Key Words : Tetrazolium, Viability, Enzim Dehidrigenase, Seed

PERTUMBUHAN STEK BIBIT KOPI DENGAN PERBEDAAN JUMLAH RUAS PADA MEDIA TANAH-KOMPOS Retno Muningsih; Lu’lu’ul Fitria Ashari Putri; Renan Subantoro
MEDIAGRO Vol 14, No 2 (2018)
Publisher : Universitas Wahid Hasyim

The purpose of this study was to determine the growth response of various segments of coffee cuttings in the soil-compost planting media. This research was conducted from January 2018 to April 2018 at the Green House Polytechnic LPP Yogyakarta with BP 288 coffee plant clones. The treatment used was one segment cuttings, two sections cuttings, three sections cuttings and four sections cuttings with variable number of leafes, leaf color, shoot stem diameter, shoot length and number of shoots. This research method uses a non-factorial Randomized Complete Block Design (RCBD) with further DMRT methods.Based on the results of the study, it was found that soil-compost showed C-organic content of 8.54%, N content of 0.23%, P content of 0.14% and K content of 0.21% and the best results of plant growth were on the cuttings treatment of one segment cuttings, two sections cuttings, three sections cuttings and unfavorable growth, namely in the treatment of cuttings four sections.Keyworsd: Coffee, Cuttings, Growth

ANALISIS TATANIAGA KUBIS (Brassica oleraceae) (Studi Kasus di Desa Deles Kecamatan Bawang Kabupaten Batang) Tri Nofianto Aji; Renan Subantoro; Eka Dewi Nurjayanti
MEDIAGRO Vol 11, No 1 (2015)
Publisher : Universitas Wahid Hasyim

Deles village is one of cabbages producers that located near with the economic central in Bawang District. The distance between Deles and Bawang which is near, has advantage for the cabbages farmer to distribute their agricultural produce. The objectives of the research are 1). To know the pattern of trading system 2). To determine the amount of profits earned by farmers in various pattern of trading system 3). To know the efficiency of cabbages trading system based on marketings margin, farmer’s share, and profit ratio. The location of research selected by purposive method, that is Deles Village, because Deles Village is the largest producer of cabbage in Bawang District. The number of farmers were selected as respondent are 30 farmers who own land, which consist of 15 farmers from Mulya Sari farmers group and 15 farmers from Subur Makmur farmers group. Sampling method of marketing agencies conducted by snowball sampling method. The research used qualitative and quantitative analysis methods. Based on the results of the research, there are three pattern of cabbage trading system in Deles Village, which are zero level, one level, and two level of cabbage trading system. Zero level of cabbage consist of farmers → consumers, the one level consist of farmers → retailers → consumers. and two level consist of farmers → collectors → retailers → consumers. There are 5 farmers who are involved in zero level of cabbage trading system, 13 farmers who are involved in one level, and 12 farmers who are involved in two level. The biggest profits are obtained by farmers in cabbage trading system zero level, that is Rp 691,64 /kg. The most efficient cabbage is trading system two level, with a marketing margin of Rp 2.175 /kg, farmer’s share of 20,90 %, and a profit ratio Rp 2,21 /kg. Keywords: Cabbage, farmer’s share, profit ratio, trading system.

PENGARUH PANJANG HARI TERHADAP PRODUKSI BIJI ALFALFA (Medicago sativa L) DI SEMARANG Renan Subantoro; Lutfi Aris Sasongko; Rossi Prabowo
MEDIAGRO Vol 10, No 2 (2014)
Publisher : Universitas Wahid Hasyim

Six different long lighting will have an influence on the growth and yield quality of alfalfa seed. The objective of this research is knowing long lighting optimum which result optimum growth and yield quality of alfalfa seed. The experiment was conducted using a completely randomized design (CRD) with single experiment on June until December 2013 in the Green House facility that owned by Faculty of Agriculture Wahid Hasyim University in Semarang. Data observed were analyzed by analysis of variance with a completely randomized design, and followed by Duncan's multiple range test at the level of 5%. The lighting treatment on alfalfa at night were not lighting as control, 3 hours, 4 hours, 5 hours, 6 hours, and 7 hours. The result of the study showed that all treatment were tried on alfalfa crops variety of WL 625 HQ didn’t produce flowers and seed. Keywords: Alfalfa, growth, long day plant, long lighting, quality of alfalfa seed yield.

Co-Authors - Krisdiono A.H. Syaeful Anwar Adib Aditya Permadi Adrika Melya Husna Afifah, Fitria Noor Ahmad Arif Darmawan Akhmad Fatah Hidayat Aminuyati Anandya, Annisa Anita, Puja Aniya Widiyani, Aniya Aziz, Mukhamad Abdul Bagus Khoirul Anam Cahyo Prasetyo, Cahyo Darmanto Darmanto Darmawan, Ahmad Arif Dewi Hastuti Dewi Hastuti Eka Dewi Nurjayanti Eko Setyawan Eko Setyawan Endah Subekti Eni Yulianingsih Fachriyan, Hilmi Arija Gadhis Mabruri Helmy Purwanto Hendri Wibowo Hendri Wibowo Ika Ferry Yunianti Imam Syafaat Inayah Rahmawati Putri Utami Indah Hartati Istanto Istanto Istanto Istanto Joko Maryanto Kafil, Ahmad Krisdiono Krisdiono, Krisdiono Krisna Rendi Awalludin Laeli Kurniasari Laikah, Ulfatul Laili Chasanah Laksono Trisnantoro Lutfi Aris Sasongko Lu’lu’ul Fitria Ashari Putri M. Nazarudin Budiono Malinda, Dewi Miftahul Janah Mukhamad Abdul Aziz Muningsih, Retno Muslikun, Muslikun Ni'mah, Lu'lu'a Ulyn Nika Shella Agustin Ni’mah, Lu’lu’a Ulyn Nugroho Widiasmadi Permadi, Adib Aditya Puthut Indroyono Raden Mohamad Herdian Bhakti Reo - Sambodo Rossi Prabowo Safitriyani Shofia Nur Awami Shofiyuddin, Fadlian Yudha Imam Sri Mulyo Bondan Respati Sri Wahyuningsih Sri Wahyuningsih Suwardiyono Suwardiyono Syamsiar, Syamsiar Syekha, Qosim Nur Tri Nofianto Aji Widodo, Surya Pandu Yosef Krido Priyono

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