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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Peternakan Bioma : Berkala Ilmiah Biologi Animal Agricultural Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Agro Complex Jurnal Penelitian Karet Agrosains: Jurnal Penelitian Agronomi Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Buletin Anatomi dan Fisiologi (Bulletin of Anatomy and Physiology) JURNAL AGROHITA Jurnal Agroplasma Jurnal Agrotropika Mediagro Journal of Tropical Crop Science and Technology

Endang Dwi Purbajanti

Departemen Pertanian, Fakultas Peternakan Dan Pertanian, Universitas Diponegoro

Author-ID : 3002653

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Medicine & Pharmacology Public Health Veterinary Other

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Respon pertumbuhan stek soka mini (Ixora coccinea) terhadap konsentrasi pemberian dan lama perendaman zpt alami ekstrak bawang merah Rizkia Mirsha Salsabila; Karno Karno; Endang Dwi Purbajanti
Journal of Agro Complex Vol 5, No 1 (2021): JOAC Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.5.1.57-65

ABSTRACT The purpose of this research was to to examine the interaction effect between the different concentration of onion extract and immersion time on growth responsesofIxora coccinea cutting. This research used a completely randomized factorial design. The first factor was the concentration of onion extract (K0 = 0%; K1 = 80%; K2 = 90%; and K3 = 100%). The second factor was the immersion time of onion extract (P1 = 3 hours; P2 = 4 hours; and P3 = 5 hours). The parameters were number of shoots, shoot length, shoot time appear, longest root length, primary roots, wet root weight, dry root weight, wet shoot weight, and dry shoot weight. The data were analyzed by variance analysis and continued by Duncan's Multiple Range Test. The results showed that the different concentration of onion extract increased number of shoots, shoot length, shoot time appear, longest root length, primary roots, wet root weight, dry root weight, fresh shoot weight, and dry shoot weight. Submersion period take effect to number of shoots, longest root length, primary roots, wet root weight, adn dry root weight, but there was no effect to shoot time appear, fresh shoot weight, dry shoot weight, and shoot length. Key Words: Cutting, Growth Response, Onion Extract, Ixora coccinea ABSTRAK Penelitian ini bertujuan untuk mengkaji pengaruh interaksi antara perbedaan dosis ekstrak bawang merah dan lama perendaman terhadap respon pertumbuhan stek tanaman Soka Mini. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) pola faktorial. Faktor pertama adalah konsentrasi ekstrak bawang merah (K0 = 0% K1 = 80% K2 = 90% dan K3 = 100%). Faktor kedua adalah lama perendaman masing-masing bahan (P1 = 3 jam P2 = 4 jam dan P3 = 5 jam). Variabel yang diamati meliputi jumlah tunas, panjang tunas, waktu muncul tunas, panjang akar terpanjang, banyak akar primer, berat basah akar, berat kering akar, berat basah tunas, dan berat kering tunas. Data yang diperoleh dianalisis dengan anova dan dilanjutkan dengan uji Duncan. Hasil penelitian menunjukkan pemberian konsentrasi yang berbeda dapat meningkatkan jumlah tunas, panjang tunas, waktu muncul tunas, panjang akar terpanjang, banyak akar primer, berat basah akar, berat kering akar, berat basah tunas, dan berat kering tunas. Lama perendaman berpengaruh terhadap jumlah tunas, panjang akar terpanjang, banyak akar primer, berat basah akar, dan berat kering akar, namun tidak berpengaruh pada waktu muncul tunas, berat basah tunas, berat kering tunas, dan panjang tunas. Kata Kunci: Stek, Respon Pertumbuhan, Ekstrak Bawang Merah, Soka Mini

Pertumbuhan vegetatif hasil split Dendrobium (Dendrobium sp.) pada dua jenis pupuk nitrogen dan tempat tanam Indah Suci Pratiwi; Endang Dwi Purbajanti; Eny Fuskhah
Journal of Agro Complex Vol 3, No 1 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

ABSTRACT Orchids are ornamental plants that lived in the wild as epiphytes, utilized the visual side of the flower. Problems arise is a relatively long time to be able to enjoy the flowers. Split technique is an alternative that produces special orchids especially of Dendrobium type with the same properties as its mother in a relatively short time. The research was conducted in July-September 2017 in screenhouse, Faculty of Animal and Agricultural Sciences, Diponegoro University. This study aimed to know the interaction between type of nitrogen fertilizer and place of planting to vegetative growth of split Dendrobium sp. This study used Split Plot Design of Complete Randomized Design scheme with ten replications. The main plot was place of planting : T1 = attached to the coconut fiber then hung and T2 = grown in pot (coconut fiber) and subplot was the type of fertilizer: P1 = POC goat + Azolla microphylla, and P2 = Synthetic fertilizer. The variables observed were plant height, number of leaves, stem diameter, number of roots, and number of buds per plant. Data were analyzed by analysis of variance followed by LSD test at 5% level. The results showed that hook planting places significantly increased plant height and stem diameter. Synthetic fertilizer significantly increased plant height and number of leaves.There was interaction between nitrogen fertilizer and place of planting to stem diameter on vegetative growth results of split Dendrobium (Dendrobium sp.). Keywords: Dendrobium sp., nitrogen fertilizer, place of planting ABSTRAK Anggrek merupakan tanaman hias yang hidup di alam bebas secara epifit, dimanfaatkan sisi visualnya terutama dari bentuk dan warna bunga. Masalah yang timbul adalah waktunya yang relatif lama untuk berbunga. Teknik split merupakan alternatif yang menghasilkan anggrek khususnya jenis Dendrobium dengan sifat sama seperti induknya dalam waktu yang relatif singkat. Penelitian dilaksanakan pada Juli-September 2017 di screen house, Departemen Pertanian, Fakultas Peternakan dan Pertanian, Universitas Diponegoro. Tujuan penelitian adalah untuk mengetahui pengaruh interaksi jenis pupuk dan tempat tanam terhadap pertumbuhan vegetatif hasil split Dendrobium sp. Penelitian ini menggunakan Rancangan Petak Terbagi (Split Plot) skema RAL dengan 10 kali ulangan. Petak utama (main plot) adalah tempat tanam: T1 = dilekatkan pada serabut kelapa kemudian digantung dan T2 = ditanam dalam pot (serabut kelapa) dan anak petak (sub plot) adalah jenis pupuk: P1 = POC kotoran kambing+Azolla microphylla, dan P2 = pupuk sintetis. Variabel yang diamati antara lain adalah tinggi tanaman, jumlah daun, diameter batang, jumlah akar, dan jumlah tunas per tanaman. Data yang diperoleh dianalisis dengan ANOVA dan dilanjutkan dengan uji BNT (Beda Nyata Terkecil) pada taraf 5%. Hasil penelitian menunjukkan bahwa tempat tanam gantungan meningkatkan tinggi tanaman dan diameter batang secara signifikan. Pupuk sintetis meningkatkan tinggi tanaman dan jumlah daun secara signifikan. Terjadi interaksi antara pemberian pupuk nitrogen dan tempat tanam terhadap diameter batang pada pertumbuhan vegetatif hasil split Dendrobium (Dendrobium sp.).

ANALISIS PENINGKATAN PRODUKTIVITAS LAHAN DENGAN PENANAMAN POHON SENGON PADA AREAL KARET BELUM MENGHASILKAN (TBM) DI KEBUN SUKAMANGLI PT PERKEBUNAN NUSANTARA IX Mahmudi Mahmudi; Karno Karno; Endang Dwi Purbajanti
Jurnal Penelitian Karet JPK : Volume 37, Nomor 2, Tahun 2019
Publisher : Pusat Penelitian Karet - PT. Riset Perkebunan Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/ppk.jpk.v37i2.662

Agroindustri perkebunan karet ditentukan oleh produktivitas tanaman, harga jual karet dan harga pokok produksi. Peningkatan produktivitas dan pendapatan lahan karet dapat dilakukan melalui pengembangan usahatani tamanan sela. Penelitian ini bertujuan untuk mengetahui pengaruh tanaman sela sengon terhadap pertumbuhan karet serta analisis kelayakan finansial usahanya. Penelitian ini dilakukan pada tanaman karet belum menghasilkan (tahun tanam 2010) dan sengon berumur 4,5 tahun menggunakan metode eksperimental dengan rancangan acak kelompok (RAK) faktorial dua faktor yaitu pola penanaman sengon dan baris tanaman karet. Pola penanaman sengon terdiri dari kontrol, box system, tanaman pinggir jalan (TPJ) 3 meter dan TPJ 5 meter sedangkan baris tanaman karet dilakukan pengamatan terhadap baris pertama sampai dengan baris kesepuluh. Setiap baris tanaman terdiri atas 40 pohon karet. Hasil penelitian menunjukkan bahwa penanaman tanaman sela sengon tidak mempengaruhi pertumbuhan karet di lahan TBM. Pola tanam sengon yang diterapkan hanya berpengaruh terhadap lilit batang pada baris 1 karet. Ketebalan kulit karet pola TPJ 5 meter lebih rendah dibanding pola tanam sengan yang lainnya. Namun pola TPJ 5 memberikan pendapatan tambahan bagi lahan TBM karet terbesar mencapai IDR 18.610.954 /Km/tahun tahun atau IDR 1.551.793 /Ha/tahun. Hasil analisis finansial diperoleh bahwa ketiga pola tanam sengon layak untuk dikembangkan di lahan TBM karet dengan pola TPJ 5 meter memberikan peluang investasi terbesar karena menghasilkan NPV mencapai IDR 41.034.157. Dengan demikian tanaman sela sengon dapat menjadi alternatif peningkatan produktivitas lahan dan pendapatan tambahan TBM karet.

ANALYSIS OF FACTORS AFFECTING PRODUCTION AND REVENUE OF TUBEROSE (Polianthes tuberosa L.) FARMERS IN PRODUCTION CENTER OF CENTRAL JAWA Ani Mulyani; Titik Ekowati; Endang Dwi Purbajanti
Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Vol 5, No 1 (2021): Mei 2021
Publisher : Faculty of Animal and Agricultural Science, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/agrisocionomics.v5i1.8091

The purpose of this research is to analysis the effect of using production factors, farmer income and feasibility on Tuberoses flower (Polianthes tuberosa L.) crops. Research used census method and the number of sampel are 30 respondents, in Semarang and Magelang regency. Analysis of research used Cobb-douglas model of production function, linier regression function and one sample t test.The results of the analysis of production function showed the amount of seeds, organic fertilizer, NPK fertilizer, labor and the water have significant effect. The results of the analysis of the income function that have significant effect were the price and the amount of production, this means, if increase in prices or increase in production, the farmer's income will increase. One samplet t-test results showed tuberose flowers farming was profitable and feasible to be developed

Respon Umur Fisiologi Bahan Stek Mawar (Rosa Sp.) pada Pemberian Konsentrasi indole-3-butyric acid (IBA) yang Berbeda Risty Dwi Sylviana; Budi Adi Kristanto; Endang Dwi Purbajanti
Buletin Anatomi dan Fisiologi Volume 4, Nomor 2, Tahun 2019
Publisher : Departemen Biologi Universitas Diponegoro

Bunga mawar memiliki nilai ekonomi tinggi dan permintaan bunga potong ataupun tanaman hias terus meningkat, maka mawar perlu dikembangkan menjadi produk unggulan agribisnis. Penelitian bertujuan untuk mengetahui bagian batang tanaman yang masih dapat digunakan sebagai bahan stek dan konsentrasi IBA yang mampu memacu pertumbuhan stek batang tanaman mawar. Penelitian menggunakan rancangan acak lengkap faktorial 3×5. Faktor pertama adalah umur bahan stek yaitu umur bahan stekmuda (10 cm dari ujung), umurbahanstek sedang (antara 20-40 cm dari ujung) dan umur bahan stek tua (40-50 cm dari ujung). Faktor kedua adalah konsentrasi IBA, yaitu 0, 25, 50, 75, dan 100 ppm. Data yang diperoleh kemudian dianalisis ragam dan dilanjutkan dengan uji Duncan's Multiple Range Test (DMRT). Hasil penelitian dapat disimpulkan bahwa bagian ujung batang atau cabang tanaman berumur muda tidak dapat digunakan sebagai bahan stek. Umur bahan stek sedang diperlukan konsentrasi IBA 50 ppm dan umur bahan stek tua diperlukan konsentrasi 75 ppm untuk dapat mempercepat proses pertumbuhan pasa stek tanaman mawar. Kata kunci : auksin, pertumbuhan, tunas

Dosis dan Waktu Aplikasi Boron Terhadap Pertumbuhan dan Hasil Kacang Hijau Krisna Cahya Nurani; Susilo Budiyanto; Endang Dwi Purbajanti
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.42058

Green beans are legume plants that are in great demand because of their high nutrition content and include plants that require boron to support growth from the vegetative to generative phase. The study aims to assess the growth and production of green beans due to influence of the dose and time of boron application. The research was carried out using completely randomized design with factorial pattern 3×3 with 3 replications. The first factor was the treatment of boron doses of 1, 1.5, and 2 kg/ha was given once at 7 Day After Planting (DAP), fertilizer application twice at 7 and 28 DAP, and once given at 28 DAP. The results showed that dose of boron at a dose of 1 kg/ha was able to produce the number of affective root nodules and the best pod weight. The treatment of boron once at 7 DAP can increase plant height, flowering age, pod weight, and seed weight per pod. The interaction between dose and time of boron application affects the number of affective root nodules and seed weight per pod.

Organic Fertilizer Improve the Growth, Physiological Characters and Yield of Pak Choy Endang Dwi Purbajanti; Susi Setyawati
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.43112

Organic fertilizer expected increase number of growth and yield of pak choy. This research aims to study the influence of solid organic fertilizer and liquid organic fertilizer on growth, physiological characters, and yield of pak choy. The method used was Randomized Complete Design and three replications. The parameters observed were number of leaves, leaf area, chlorophyll content, Nitrate Reductase (NR), yield and harvest index. The result showed that the highest leaf number with 13.3 leaves was achieved by combination of SOF 20 t.ha-1 and LOF 3 times a week. The largest leaf area was 208.44 cm2due to the application of Solid Organic Fertilizer 20 t.ha-1.The largest chlorophyll content was 0.84 mg.g-1 due to the combination treatment of SOF 20 t.ha-1 and LOF 3 times a week. The largest NR of Pak choy is 3.51 µ mol NO2.hr-1 due to the combination treatment of SOF 20 t.ha -1 and LOF 3 times a week. The highest yields of pak choy is 29.79 kg.plot-1 is due to combination treatment SOF of 20 t.ha -1 and LOF 3 times a week, the highest harvest index was 94.6% due to combination treatment of SOF 20 t.ha -1 and LOF 3 times a week.

Efektivitas Bakteri Tahan Salin dan Pemberian Batuan Fosfat terhadap Pertumbuhan dan Produksi Kedelai di Tanah Salin Khoirotul Mutmainah; Eny Fuskhah; Endang Dwi Purbajanti
Agrosains : Jurnal Penelitian Agronomi Vol 24, No 1 (2022): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v24i1.58776

The purpose of this study was to examine the effect of Rhizobium sp. and phoshate solubilizing bacteria and the application rock phosphate to the growth and production of soybean plants in saline soils. The methods used was Completely Randomized Design 4 x 3 with 3 replications. The first factor is treatment of Rhizobium sp. and phosphate solubilizing bacteria saline-resistant (CFU 109 cells/g) at 4 levels, F0 : 0 mg/pot, F1 : 10 mg/pot, F2 : 20 mg/pot, and F3 : 30 mg/pot. The second factor is doses of rock phosphate with 3 levels, B0: 0 kg/ha, B1: 50 kg/ha, and B2: 100kg/ha. The results showed that the inoculation of Rhizobium sp. and phosphate solubilizing bacteria saline-resistant were not significantly different on the N uptake parameters of seeds. Treatment with different doses of rock phosphate had no significant effect on all parameters. Inoculation of Rhizobium sp. and phosphate solubilizing bacteria and rock phosphate have not been able to significantly increase the growth and production of soybean varieties Anjasmoro in highly saline growing media with EC 6,26 dS/m, although there is a trend to increase soybean production.

PENGARUH PEMANGKASAN DAN DOSIS KOMPOS TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN MENTIMUN (Cucumis sativus L.) Alimah Putri Milania; Endang Dwi Purbajanti; Susilo Budiyanto
MEDIAGRO Vol 18, No 1 (2022)
Publisher : Universitas Wahid Hasyim

Mentimun memiliki pertumbuhan vegetatif yang cepat. Pertumbuhan perlu dikendalikan untuk menggurangi organ vegetatif dan memaksimalkan produksi pada masa generatif. Tujuan dari penelitian adalah untuk menggetahui pengaruh pemangkasan dan dosis kompos pada pertumbuhan dan produksi tanaman mentimun (Cucumis sativus L.). Penelitian dilakukan pada februari – juni 2021 di Greenhouse Fakultas Peternakan dan Pertanian Universitas Diponegoro. Rancangan menggunakan rancangan faktorial acak lengkap 3 x 3 dengan 4 kali ulangan. Faktor pertama adalah pemagkasan yang terdiri dari 3 taraf yaitu tanpa pemangkasan (P0), pemangkasan pucuk (P1) dan pemangkasan cabang lateral (P2). Faktor kedua adalah dosis kompos yang terdiri dari 3 taraf, 15 ton/ha (K1), 30 ton/ha (K2) dan 45 ton/ha (K3). Data dianalisis menggunakan analisis ragam. Data yang signifikan dilanjutkan uji jarak berganda (Duncan) 5%. Hasil menunjukkan bahwa jumlah daun, jumlah buah, berat total buah signifikan dipengaruhi oleh dosis kompos. Parameter waktu muncul bunga memberikan hasil signifikan yang dipengaruhi oleh pemangkasan, dosis kompos dan interaksi dari perlakuan. Parameter luas permukaan daun memberikan hasil signifikan yang dipengaruhi oleh pemangkasan. Panjang tanaman, dan panjang buah tidak dipengaruhi oleh perlakuan yang diberikan

EVALUASI KESESUAIAN LAHAN SEBAGAI UPAYA PENINGKATAN PRODUKSI TANAMAN PANGAN DI KECAMATAN KASIHAN KABUPATEN BANTUL Wijaya, Yoram Gehing; Budiyanto, Susilo; Purbajanti, Endang Dwi
Jurnal Tanah dan Sumberdaya Lahan Vol. 11 No. 1 (2024)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2024.011.1.25

Evaluation of land suitability was carried out in Kasihan District to determine the land suitability class for food plants. This research was conducted to determine the limiting factors that resulted in a decrease in soil fertility in the local area. Land suitability classes were obtained in S3, and N classes with limiting factors for water availability (wa), erosion hazard (eh), root media (rc), and nutrient retention (nr). The limiting factors that are found in the study area are the erosion hazard, soil pH, and organic C levels. Improvement efforts as an agricultural area development that can be done are making bunds to reduce slopes, giving biochar to increase organic C levels, and reducing soil pH. The limiting factors of soil texture and depth cannot be repaired. Soil texture is a property of the soil that is influenced by nature and is very difficult to change, and the depth of the soil cannot be changed unless other agricultural commodities are selected.

Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rasyid Syamsuri Agus Setiadi Alimah Putri Milania Ani Mulyani Ardiansyah Azhary Suhandoko Arini Fitri Hadiyati Balina, Aulia Rahma D. Fatchullah Deden Fatchullah Dedi Purba Delia Anindyarasmi Denanda Purba Didik Wisnu Widjajanto Dita Mayasari Djoko Soetrisno Eirene Brugman Eko Hanudin Ekowati, Titik Ela Safitri Eny Fuskhah Farah Athaya Widha Hafidz Fikri Asyari Heni Irawati Hermin Pancasakti Kusumaningrum Ifi Prillyani Indah Suci Pratiwi Jessica Raditya K. Karno Karno Karno Khoirotul Mutmainah Krisna Cahya Nurani Kristanto, Budi Adi Mahmudi Mahmudi Moch Arif Usman Nabila, Nila Anjali Oktaviant, Dimas Panji Purwoko, Agus Putri, Rona Herlina Rahma R. Djoko Sutrisno Risty Dwi Sylviana Rizki Wahyu Kuncoro Rizkia Mirsha Salsabila Subur Priyono Sasmito Budhi Sumarsono Sumarsono Sumarsono Sumarsono Sunartadi, Difa Rosalina Susi Setyawati Susilo Budiyanto Sutarno Sutarno Widya Yolanda Widyati Slamet Wijaya, Yoram Gehing

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