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All Journal Jurnal Hortikultura Indonesia (JHI) TERRA : Journal of Land Restoration Akta Agrosia Biofarm : Jurnal Ilmiah Pertanian
EDHI TURMUDI
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Agriculture, Biological Sciences & Forestry

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Respon Sawi pada Berbagai Konsentrasi dan Waktu Pemberian Ekstrak Air Kulit Buah Jengkol Segar Simanjuntak, Putriany; Nurjanah, Uswatun; Turmudi, Edhi
Akta Agrosia Vol 19 No 2 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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The aim of this study was to evaluate the response of mustard to various concentrations of jiringa-pericarp water extract applied before or at planting . The study was conducted in November 2015-January 2016 located in a greenhouse using Completely Randomized Design, 2 factors and 4 replications. The first factor, concentration of jiringa-pericarp water extract consisted of 6 treatments: 165 g / L, 330 g / L, 495 g / L, 660 g / L, 825 g / L and 990 g / L and as comparison were 4 control plants. The second factor consisted of application one week before planting and at the time of planting. Each experimental unit consisted of two plants. The results showed that the application jiringa extract at palnting time with the concentration of 825 g / L resulted in the lowest leaf area and root fresh weight. The percentage of mus tard growth inhibition respectively were 51.54% and 56.69% when compared to the control. Jiringa water extract applied at planting time inhibited mustard growth more significant when compared to that 1 week before planting. The lowest average values   for variables of leaf number, fresh weight and crown dry weight were obtained at 825 g / L concentration with a percentage of obstacles of 35.57%; 47.16% and 40.70% when compared with controls.
Growth and Yield Response of Peanut (Arachis hypogaea L.) to Cow Manure Dosage and Phosphorus Fertilizer on Ultisol Silitonga, Listati; Turmudi, Edhi; Widodo, Widodo
Akta Agrosia Vol 21 No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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ABSTRACTPeanut plant production has decreased almost every year, caused by several factors such as cultivation techniques, diseases, varieties, competition with other commodities and the increasingly narrow land area. One effort to improve the yield of peanuts by optimizing ultisol land for cultivation of plants. Ultisol soil is one of acid soils, high Al content, low organic matter content, and low cation exchange capacity. Provision of fertilizer is one effort made to maximize the use of ultisol land. This study aims to determine the optimal dose of cow manure and phosphorus fertilizer for peanut plants and to determine the dose of cow manure and the appropriate dose of phosphorus fertilizer for peanut plant. The design used in this experiment was Randomized Complete Block Design (RCBD) with two factors arranged factorially. The first factor was dosage of cow manure consisting of 4 treatment levels i.e. 0 ton ha-1, 10 ton ha-1, 20 ton ha-1 and 30 ton ha-1. The second factor is phosphorus fertilizer (SP-36) consisting of 3 levels i.e. 0 kg ha-1, 100 kg ha-1 and 200 kg ha-1. From these two factors, there were 12 treatment combinations each treatment was repeated 3 times, so that 36 experiments were obtained. The results showed that the dosage of cow manure did not significantly affect the growth and yield of peanut plants. The dosage of phosphorus fertilizer did not significantly affect all variables of observation except on seed weight. The combination of dosage of cow manure and phosphorus fertilizer has no significant effect on the growth and yield of peanut plant. Keywords: Peanut, Cow Manure, Phosphorus and Ultisol
Effect of Tithonia Compost (Tithonia diversifolia) and Phosphorus On The Growth and Yield of Peanuts Hutabarat, Rudi Saputra; Turmudi, Edhi; Setyowati, Nanik
Akta Agrosia Vol 22 No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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ABSTRACT This study aims to determine the effect of phosphorus dosage and tithonia compost on the growth and of peanut.The research had been conducted fromNovember 2017 to March 2018atBentiring Permai Village, Muara Bangkahulu Sub-District, Bengkulu City, Indonesiaat ± 10 m above sea level using Completely Randomized Block Design, two factors. The experiment was replicated three times. The first factor was tithonia compost with 2 treatment levels namely 0 ton ha-1 (control)and 20 ton ha-1. The second factor was dosage of phosphorus(SP-36)with 4 treatment levels, 25, 50, 75 and 100 kg ha-1.The results showed no interaction between compost and phosphorus dosage treatment  on the growth and yield of peanut crops. Tithonia compost at 20 ton ha-1 increase the growth and yield of peanut crop. Application of tithonia compost paitanat 20 ton ha-1 resulted in higher increase plant height, crop dry weight, pod weightand yield of peanut53%, 58%, 67% and 71% respectively, compared to that of control plants (not compost). Phosphorus dosage had no significant effect on the growth and yield of peanut.Keywords: Peanut, Tithonia compost, Phosphorus
Co-Authors Anisha, Sukma Dwi Nur Dewi, Kurnia Herlina Eko Suprijono Helfi Eka Saputra Hendri Bustamam Herison, Catur Hindarto, Kanang S. Hindarto, Kanang Setyo Hutabarat, Rudi Saputra Hutajulu, Juwita Noventina Marulak Simarmata Merakati Handajaningsih Merakati Handayaningsih Mohammad Chozin, Mohammad Nanik Setyowati Nurjanah, Uswatun Pamungkas, Inggi Rajagukguk, Natalia Rustikawati Rustikawati Silitonga, Listati Simanjuntak, Putriany Uswatun Nurjannah Widodo Widodo Yulian, Yulian