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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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Pertumbuhan dan produksi tanaman pakchoy (Brassica chinensis l.) pada dosis pupuk bioslurry dan jarak tanam yang berbeda Arini Fitri Hadiyati; Widyati Slamet; Endang Dwi Purbajanti
Journal of Agro Complex Vol 4, No 1 (2020): 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.4.1.32-39

ABSTRACT The aim of this research was to observe of bioslurry fertilizer dosage and plant spacing on growth and production of pakchoy plant. The research used Factorial Completely Randomized Design 4x2 and 3 time replication. The first factor was bioslurry fertilizer dosage (0, 3, 6, 9 ton/ha). The second factor was plant spacing (20x20 cm; 25x25 cm). Parameters observed were plant height, number of leaves, leaf area, production of fresh and dried leaves.Data were analysis of variabel and further test with Duncan’s Multiple Range Test (DMRT). The result showed that combination of bioslurry fertilizer dosage and plant spacing were significantly affect of leaf area, production of fresh and dried leaves. The bioslurry fertilizer dosage showed significant result of all parameters. Plant spacing showed significant result of leaf area, production of fresh and dried leaves. Bioslurry fertilizer dosage 9 ton/ha with plant spacing 20x20 cm and 25x25 cm increase leaf area, production of fresh and dried leaves. Bioslurry fertilizer dosage 9 ton/ha increase all parameters. Raw plant spacing increse leaf area but decrease production of fresh and dried leaves.Keywords: Pakchoy, dosage, bioslurry fertilizer, plant spacing. ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh dosis pupuk bioslurry dan jarak tanam terhadap pertumbuhan dan produksi tanaman pakchoy. Rancangan yang digunakan adalah Rancangan Acak Lengkap (RAL) pola faktorial 4x2 dengan tiga kali ulangan. Faktor pertama adalah dosis pupuk bioslurry (0, 3, 6 dan 9 ton/ha). Faktor kedua adalah jarak tanam (20x20 cm, 25x25 cm). Parameter yang diamati meliputi tinggi tanaman, jumlah daun, luas daun, produksi segar dan kering tajuk. Data dianalisis ragam, kemudian apabila terdapat pengaruh nyata dilanjutkan dengan uji DMRT (Duncan Multiple Range Test). Hasil penelitian menunjukkan bahwa terdapat pengaruh interaksi yang nyata terhadap luas daun, produksi segar dan kering tajuk. Dosis pupuk berpengaruh nyata terhadap semua parameter penelitian. Jarak tanam berpengaruh nyata terhadap parameter luas daun, produksi segar dan kering tajuk. Dosis pupuk bioslurry 9 ton/ha dengan jarak tanam 20x20 cm dan 25x25cm mampu meningkatkan luas daun, produksi segar dan kering tajuk. Dosis pupuk bioslurry 9 ton/ha meningkatkan semua parameter penelitian. Jarak tanam yang semakin lebar mampu meningkatkan luas daun tetapi menurunkan produksi segar dan kering tajuk.Kata kunci: Pakchoy, dosis, pupuk bioslurry, jarak tanam

Pertumbuhan tanaman bambu hias (Dracaena sanderiana) dengan Intensitas naungan yang berbeda dan berbagai media tanam Ela Safitri; Endang Dwi Purbajanti; Karno Karno
Journal of Agro Complex Vol 4, No 2 (2020): 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.4.2.132-142

ABSTRACT The goal of this research was to study the growth of Dracaena sanderiana plants with different shade intensities and different composition of plant media. The research was carried out in Sukorejo village, Karangrejo sub-district, Tulungagung, East Java and Physiology and Plant Breeding Laboratory, Diponegoro University, from January to April 2018. The basic design used in this research was a split plot design. 3 x 3 with 4 replications. The main plot factor was shade intensity : 0%, 50% and 70%, and the subplot factor was different composition of plant media (soil, husks, chicken manure; soil, husks, cow manure; soil, husks and goat manure). The results showed that the treatment of the difference in the composition of the planting media had a significant effect on the parameters of plant height, while the shade treatment had a significant effect on the chlorophyll parameters b. The best planting media was obtained in the composition with cow manure compared to the composition of chicken manure and goat manure. The highest chlorophyll content was obtained in 50% shade conditions. In the parameters of the number of leaves, leaf length, number of roots, fresh weight and chlorophyll a were not significantly different in all treatments. ABSTRAK Penelitian bertujuan mengkaji pertumbuhan tanaman Dracaena sanderiana dengan berbaga intensitas naungan yang berbeda dan komposisi media tanam yang berbeda. Penelitian dilaksanakan di lahan desa Sukorejo, kecamatan karangrejo, Tulungagung, Jawa Timur dan laboratorium Fisiologi dan Pemuliaan Tanaman, Universitas Diponegoro, Semarang dari bulan Januari sampai April 2018. Penelitian ini menggunakan Rancangan Petak Terpisah 3x3 dengan dasar Rancangan Acak Lengkap dengan 4 ulangan. Petak utama adalah intensitas naungan 0%, 50% dan 70%, dan anak petak adalah perbedaan komposisi media tanam (tanah, sekam, kotoran ayam; tanah, sekam, kotoran sapi; tanah, sekam dan kotoran kambing). Hasil penelitian menunjukkan bahwa pada perlakuan perbedaan komposisi media tanam memberikan pengaruh nyata pada parameter tinggi tanaman, sedangkan pada perlakuan naungan memberikan pengaruh nyata pada parameter khlorofil b. Media tanam terbaik didapatkan pada komposisi dengan kotoran sapi dibandingkan dengan komposisi kotoran ayam dan kotoran kambing. Pada kondisi naungan 50% didapatkan kandungan khlorofil tertinggi dibandingkan kondisi tanpa naungan dan naungan 70%. Pada parameter jumlah daun, panjang daun, jumlah akar, berat basah dan khlorofil a tidak berbeda nyata pada semua perlakuan. Kata kunci : Dracaena sanderiana, khlorofil b, komposisi, naungan

Penggunaan macam mulsa dan pola jarak tanam terhadap pertumbuhan dan produksi Pakchoy (Brassica rapa chinensis l.) Heni Irawati; Endang Dwi Purbajanti; Sumarsono Sumarsono; Deden Fatchullah
Journal of Agro Complex Vol 1, No 3 (2017)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Problems in the cultivation of plants pakchoy caused by the influence of the physical environment such as climate, wind, temperature, the intensity of solar radiation, humidity, and soil. The research aims to know types of mulch and patterns of the plant spacing for optimizing on growth and yield of pakchoy. This experiment had been conducted in the experimental field Margahayu, Balai Penelitian Tanaman Sayuran, Lembang on September-November 2016. The design of the research which used was randomized block design factorial with 9 treatment combinations and 3 replications. The first factor is “Types of Mulch”, the use of M0 (no mulch), M1 (black silver plastic mulch), and M2 (rice straw mulch). The second factor is “The Plant Spacing Patterns”, which are J0 (10x10 cm_triangle), J1 (20x20 cm_square), and J2 (30x30 cm_hexagonal). Data was analyzed with analysis of variance (ANOVA) and continued with Duncan Multiple’s Range Test (DMRT) at α=5%. The result showed that the use of black silver plastic mulch and spacing pattern of 20x20 cm (square) is a combination of the best treatment because it has the fresh weight of the canopy and the fresh weight of the roots of the most highest when compared to treatment with a combination of other, namely fresh weight of canopy 5,02 kg and weight of fresh roots 253,6 g.

Perkecambahan dan pertumbuhan benih tomat (Solanum lycopersicum) akibat perlakuan berbagai dosis NaOCl dan metode pengeringan Denanda Purba; Endang Dwi Purbajanti; Karno Karno
Journal of Agro Complex Vol 2, No 1 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

The purpose of the research was to study the concentration of NaOCl and drying method during the extraction process for germination and growth of tomato seedlings. This study used Completely Randomized Design with two factors with three replicates. The first factor was soaking the seeds with NaOCl concentrations: NaOCl 0% (control), NaOCl 6%, NaOCl 9% and NaOCl 13%. The second factor was the drying methods: without drying (control), natural drying and drying using oven. The parameters observed were germination, seed growth rate, maximum growth potential, leaf size, leaf area, plant height, plant growth rate and relative plant growth rate. The data were analyzed using variance analysis and continued by Duncan Multiple Range Test (DMRT) of 5%. The result of variance analysis showed that immersion treatment using NaOCl and drying method had not given interaction during seed germination and seedling growth. Soaking with 9% NaOCl showed the best result of germination process and seedling growth whereas the best drying method was naturally because it did not cause impermeability of seeds. Keyword : Tomato, seed, drying, NaOCl, seed viability

Pengaruh lama pemeraman dan dosis pupuk organik cair berbasis mol sayur dan buah terhadap pertumbuhan dan produksi tomat ceri (Solanum lycopersicum var. cerasiforme) Farah Athaya Widha; Susilo Budiyanto; Endang Dwi Purbajanti
Journal of Agro Complex Vol 2, No 2 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

This research aimed to observe the response of different incubation period and dosage of liquid organic fertilizer (LOF) based on vegetable and fruit local microorganism on cherry tomato growth and production. This research was conducted at Operational Greenhouse, Balai Benih Pertanian Kota Semarang Gunung Pati, Semarang. The research was conducted by 3x3 factorial experiments with 3 replications. The first factor was 6, 12, 18 days of incubation period and the second factor was 120, 240, 360 ml/plant dosage of LOF. The observed parameters were fruit N uptake, plant height, fruit diameter and fruit fresh weight. Results of study showed that both treatments had no significant effect on fruit diameter and fruit fresh weight caused by lack of P in LOF so that the overall fruit production was not optimum. Interaction between both treatments showed significant effect on fruit N uptake when on short incubation period, the dosage used was higher and vice versa. Six days of incubation with 240 ml/plant dosage gave the highest efficiency on improving fruit N uptake. Incubation period has no significant effect but the dosage of 360 ml/plant significantly gave optimum effect on plant height in comparison with dosage of 120 and 240 ml/plant. This research can be concluded that LOF with 6 days of incubation with dosage used between 240-360 ml/plant was efficient to improve growth of cherry tomato plant and addition of fertilizer was needed to improve production of cherry tomato. Keywords : Cherry tomato, LOF incubation period, LOF dosage

Pertumbuhan dan produksi selada merah (Lactuca sativa var. crispa) pada teknik hidroponik yang diberi nutrisi ekstrak azolla dan daun gamal Ifi Prillyani; Endang Dwi Purbajanti; Susilo Budiyanto
Journal of Agro Complex Vol 4, No 2 (2020): 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.4.2.89-96

ABSTRACT This research aimed to identify the effect of fertilizer type and concentration of AB Mix substitution with fertilizer on growth and yield of red lettuce (Lactuca sativa var. crispa). The research was conducted at Greenhouse of Crops, Horticulture and Plantation Protection Institute, Central Java. The method of this research is Randomized Complete Design Factorial 2 x 5 with 3 replications. First factor is fertilizer type, consist of A1: Azolla extract and A2: gamal leaves esxtract. Second factor is concentration of AB Mix substitution with fertilizer, consist of B0: 0%, B1: 25%, B2: 50%, B3: 75% and B4: 100%. The observed parameters were plant height, number of leaves, root length, crop growth rate, plant yield and plant dry weight. Data were processed by Analysis of Variance and continued by Duncan’s Multiple Range Test (DMRT). The result showed that there is interaction effect on plant height and plant yield. The conclusion is treatment of AB Mix substitution with Azolla extract fertilizer 25% and gamal leaves extract fertilizer 25% have same result with treatment without substitution on vegetative growth of red lettuce. Treatment of AB Mix substitution with Azolla extract fertilizer 50% and gamal leaves extract fertilizer 25% have same result with treatment without substitution on yield of red lettuce.Keyword: Azolla, gamal leaves, hydroponic, red lettuce. ABSTRAK Penelitian bertujuan untuk mengkaji pengaruh jenis pupuk dan konsentrasi subtitusi AB Mix dengan pupuk terhadap pertumbuhan dan produksi selada merah (Lactuca sativa var. crispa). Penelitian dilakukan di Greenhouse Balai Perlindungan Tanaman Pangan, Hortikultura dan Perkebunan, Jawa Tengah. Rancangan yang digunakan adalah Rancangan Acak Lengkap pola Faktorial 2 x 5 dengan 3 kali ulangan. Faktor pertama adalah jenis pupuk, yaitu A1: ekstrak Azolla dan A2: esktrak daun gamal. Faktor kedua adalah konsentrasi subtitusi AB Mix dengan pupuk, yaitu B0: 0%, B1: 25%, B2: 50%, B3: 75% dan B4: 100%. Parameter yang diamati adalah tinggi tanaman, jumlah daun, panjang akar, laju pertumbuhan tanaman, produksi tanaman dan berat kering. Data diolah dengan analisis ragam dan dilanjutkan dengan uji DMRT. Hasil penelitian menunjukkan bahwa terjadi pengaruh interaksi pada parameter tinggi tanaman dan produksi tanaman. Kesimpulan yang diperoleh adalah perlakuan subtitusi AB Mix dengan pupuk ekstrak Azolla 25% dan daun gamal 25% memberikan hasil yang sama dengan perlakuan tanpa subtitusi terhadap pertumbuhan vegetatif tanaman selada merah. Perlakuan subtitusi AB Mix dengan pupuk ekstrak Azolla 50% dan subtitusi AB Mix dengan pupuk ekstrak daun gamal 25% memberikan hasil yang sama dengan perlakuan tanpa subtitusi terhadap produksi tanaman selada merah. Kata kunci : Azolla, daun gamal, hidroponik, selada merah.

Produksi selada (Lactuca sativa l.) dengan penyinaran lampu led merah dan biru di malam hari pada teknologi hidroponik sistem terapung termodifikasi Ardiansyah Azhary Suhandoko; Sumarsono Sumarsono; Endang Dwi Purbajanti
Journal of Agro Complex Vol 2, No 1 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

This research has an aim to observe the production of lettuce (Lactuca sativa L.) on hydroponic technology of floating system with red and blue LED (Light Emitting Diode) at night. This research was conducted inside the Screenhouse in which located on the top of Griya Kads House building, Bulusan Village, Tembalang Sub-district from May to June 2017. The research was conducted by 3x3 factorial experiments in Nested Design with 3 replications. The first factor was 0, 1.5 and 3 hours irradiation of red and blue LED lights at night. The second factor was 3, 5 and 7 ml/liter of AB mix nutrient concentration which was nested in the first factor. The data collected were fresh weight, dry weight and root canopy ratio. The results of the study showed that the treatment of AB mix nutrient concentration had no significant effect on all parameters. The production of lettuce with level of 5 ml concentration of AB mix was quite good, yet 3 ml and 7 ml levels didn’t improve lettuce production. The duration of red and blue LED irradiation only resulted in an increase in the production of canopy fresh weight. This research can be concluded that 3 hours was sufficient to give the good results to improve the results of lettuce plants production. Keywords : Lettuce Production, AB Mix Nutrition, Red and Blue LED.

Pertumbuhan dan Produksi Okra (Abelmoschus esculentus L.) pada Level Pemupukan dan Jarak Tanam yang Berbeda Jessica Raditya; Endang Dwi Purbajanti; Widyati Slamet
Journal of Agro Complex Vol 1, No 2 (2017)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

This research aimed to study the growth and yield of Okra at different nitrogen fertilizer levels and plant spacing. The experiment was assigned in a completely randomized factorial design with plant spacing (50x50 and 50x75 cm) as the first factor and nitrogen fertilizer level (0, 50, 100, 150 kg N/ha) as the second factor. Each treatments was repeated three times. Parameters measured were stem diameter, number of leaves, number of fruits per plot, and weight of fruits per plot. Data were subjected to ANOVA and followed by Duncan’s Multiple Range Test (DMRT). The result showed that adding 50 kg N/ha increased stem diameter and number of leaves. The treatment of 50x50 cm spacing and 150 kg N/ha dose had the highest number of fruits per plot and weight of fruits per plot, and significantly different with 0 kg N/ha dose treatment in all parameters.

Respon selada merah (Lactuca sativa var. Crispa) akibat perlakuan daya led (light-emitting diode) dan posisi tanaman pada sistem hidroponik tower Delia Anindyarasmi; Susilo Budiyanto; 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.5.1.49-56

ABSTRACT This study aimed to examine the effect of LED Power and Plant Position on the Tower Hydroponic System on the growth and production of red lettuce (Lactuca sativa var. Crispa). Parameters observed were plant height, number and area of leaves, total fresh weight and consumption, and yield. Research data were analyzed by Analysis of Variance (ANOVA) and continued with Duncan Multiple Range Test (DMRT) at a 5% confidence level. The results showed LED power and plant position had significant effects on the observed parameters. LED power of 15W with Lower and Upper Middle Positions of the Plants give the best results for the growth and production of red lettuce. Keywords: hydroponic tower, LED power, plant position, red lettuce ABSTRAK Penelitian ini bertujuan untuk mengkaji pengaruh Daya LED dan Posisi Tanaman pada Sistem Hidroponik Tower terhadap pertumbuhan dan produksi selada merah (Lactuca sativa var. Crispa). Parameter yang diamati meliputi tinggi tanaman, jumlah dan luas daun, bobot segar total dan konsumsi, serta rendemen hasil. Data hasil penelitian dianalisis dengan Analysis of Variance (ANOVA) dan dilanjutkan dengan uji Duncan Multiple Range Test (DMRT) pada taraf kepercayaan 5%. Hasil penelitian menunjukkan perlakuan Daya LED dan Posisi Tanaman memberikan pengaruh nyata terhadap parameter yang diamati. Daya LED 15W dengan Posisi Tanaman Tengah Bawah dan Tengah Atas memberikan hasil terbaik bagi pertumbuhan dan produksi selada merah. Kata kunci: tower hidroponik, daya LED, posisi tanaman, selada merah

Pengaruh berbagai dosis nitrogen dan waktu pemberian pupuk organik cair terhadap pertumbuhan dan produksi tanaman terung hijau (Solanum melongena L.) Dedi Purba; Didik Wisnu Widjajanto; Endang Dwi Purbajanti
Journal of Agro Complex Vol 3, No 3 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Percobaan bertujuan untuk mengevaluasi efek dari berbagai dosis nitrogen dan waktu penerapan pupuk organik cair (POC) dan interaksi dari dua perlakuan pada pertumbuhan dan produksi terong hijau. Desain acak lengkap disusun sebagai pola faktorial 4x3 digunakan di seluruh percobaan. Setiap unit percobaan diulang tiga kali. Faktor pertama terdiri dari berbagai dosis POC yaitu D0: tidak ada penambahan POC, D1: 25 kg N/ha, D2: 50 kg N/ha, D3: 75 kg N/ha, masing-masing setara dengan 800, 1600, 2400 ml POC/tanaman. Faktor kedua adalah waktu aplikasi POC terdiri dari M1, M2 dan M3 berturut-turut selama 7, 28 hari setelah tanam (HST) dan pada saat berbunga. Parameter yang diamati meliputi jumlah daun, klorofil daun tanaman, jumlah dan bobot buah segar. Data yang dikumpulkan dianalisis dengan menggunakan ANOVA dan Duncan Multiple Range Test (DMRT) digunakan untuk analisis lebih lanjut. Hasil penelitian menunjukkan bahwa ada pengaruh interaksi yang signifikan dari tingkat perlakuan POC yang berbeda dan waktu aplikasi POC terutama pada bobot buah segar. Dosis POC 1600 ml/tanaman meningkatkan jumlah buah. Perlakuan kombinasi 2400 ml/tanaman dan 7 HST meningkatkan kualitas fisik tanaman terung hijau. Kata kunci: terung hijau, pupuk organik cair, nitrogen, waktu aplikasi POC

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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