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All Journal AGRITROPICA : Journal of Agricultural Sciences Martabe : Jurnal Pengabdian Kepada Masyarakat Kumawula: Jurnal Pengabdian Kepada Masyarakat Akta Agrosia
Nurjanah, Uswatun
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Agriculture, Biological Sciences & Forestry Arts Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences

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Journal : Akta Agrosia

 1 
Pertumbuhan Gulma Padi Sawah pada Berbagai Takaran Alelokimia Kulit Buah Jengkol [Pithecellobium Jiringa (Jack) Prain Ex King] Nurjanah, Uswatun; Yudono, P.; Suyono, A.T; Shieddiq, Dja’far
Akta Agrosia Vol 18 No 2 (2015)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Jiringa hulls contained phenolic compound, alcaloide, steroide, and flavonoide. Phenolic compound could inhibit the growth of emergence of rice. This study was aimed evaluate effect of dosage jiringa hulls application in supressing weed growth and promoting rice growth and yield. The treatment were weed free, weedy, hand weeding at 21 and 42 dap, jeringa hulls application of 5, 10, and 15 ton ha-1. Result showed that jeringa hulls aplication of 10 and 15 ton ha-1 can subtituted hand weeding at 21 and 42 dap and can suppresed broad leafed and narrow leafed weed at 6 and 9 wap compared to weedy, respectively. Highest suppressed as 90% if jiringa hulls was aplication at 15 ton ha-1.
Pengaruh Bentuk Formulasi dan Waktu Aplikasi Kulit Buah Jengkol pada Pertumbuhan Padi Sawah Asal Bibit Nurjanah, Uswatun; Yudono, Prapto; Suyono, A.T; Shieddiq, Dja’far
Akta Agrosia Vol 17 No 2 (2014)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Jengkol pod exocarp can be used as anorganic fertilizer for rice cultivation. A research aimed to determine an appropriate formulation and application time of jengkol pod exocarp on paddy rice seedling growth. Thisstudy consisted of 2 factors. The first factor was formulation, namely liquid, powder or granules. The second factor was time of application, namely at planting, 1 or 2 weeks after planting. These treatments were arrangedin a Completely Randomized Design with 3 replications. The results showed that the application of jengkol pod exocarp in the form of granule improved root growth, N, P, K uptake, photosynthesis rate, but not dry weight. Thetime application of jengkol pod exocarp two weeks after planting increased N and P uptake, transpiration rate, photosynthesis rate and root dry weight.
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 Response and Yield of Pakcoy (Brassica rapa L.) on Various Concentrations Liquid Organic Fertilizer of Jiringa Hulls [Phithecellobium jiringa (Jack) Prain Ex King] Hardiansyah, Peri; Nurjanah, Uswatun; Widodo, Widodo
Akta Agrosia Vol 22 No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

ABSTRACT Pakcoy (Brassica rapa L.) is a type of vegetable crop and one of the short-lived species needed by the body because it contains good nutrition. In order to meet the needs of pakcoy, it must also be balanced with the production level. One of the efforts to increase the production of pakcoy is the nutrient application of liquid organic fertilizer (LOF) from jiringa hulls. LOF can be absorbed by plants quickly rather than solid organic fertilizers and it does not damage soil structures such as synthetic chemical fertilizers. This study aimed to determine the optimum concentration of LOF on growth and production of pakcoy. The research took place at the Green House Laboratory of Agronomy, Faculty of Agriculture, University of Bengkulu. This research used Completely Randomized Design (CRD) with one treatment factor and repeated 5 times, each treatment unit included 3 potted plants. Treatment of LOF concentration, consisted of 5 levels: T0: LOF 0% (Control), T1: LOF 25%, T2: LOF 50%, T3: LOF 75%, T4: LOF 100%. The concentration of L0F 100% produce the best growth and production of pakcoy and has longest canopy (22,18 cm), highest number of leaf (15,86 strands), widest leaf width (34,26 cm2), highest fresh canopy weight (68,85 gram), highest total dry weight (6.92 grams), highest greenish leaves (48.48), and highest dried root weight (1.72 grams). Keywords: LOF, Jiringa Hulls, Pakcoy, Concentration
Co-Authors Dwi Wahyuni Ganefianti, Dwi Wahyuni EDHI TURMUDI Hardiansyah, Peri Herison, Catur Mardhotillah, Nimas Nanik Setyowati P. Yudono, P. Prapto Yudono Rustikawati Rustikawati Saputra, Pringky Okta Shieddiq, Dja’far Simanjuntak, Putriany Sukisno Sukisno, Sukisno Suyono, A.T WAHYUDI, DIKI Widodo Widodo Wuri Prameswari Zaulajad, Amudasub