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All Journal Jurnal Online Mahasiswa (JOM) Bidang Pertanian Journal Technology and Industrial Engineering
Fernando Situmorang
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Agriculture, Biological Sciences & Forestry Control & Systems Engineering Industrial & Manufacturing Engineering

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Pengaruh Mulsa Serbuk Gergaji dan Pupuk Npk Terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Pada Fase Main Nursery Fernando Situmorang; Hapsoh '; Gulat ME Manurung
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

ABSTRACT This study aimed to determine the effect of sawdust mulch and NPK fertilizer giving on the growth of oil palm seedlings and to get the appropriate dose for the growth of oil palm seedlings. This study has been conducted at the Experimental Garden Faculty of Agriculture, University of Riau began in December 2012 until March 2013. The research was conducted in the experiment form with Completely Randomized Design ( CRD ) which is arranged in factorial consisting of 2 factors, they are: First factor is the standard dose of NPK Sigifertilizer which is consisting P0=Without NPK fertilizer/polybag, P1=NPK dose 2 tablets/polybag, P2=NPKdose 4 tablets/polybag, and P3=NPK dose 6 tablets/polybag. Second factor is the giving of sawdust mulch consisting of M0=Without sawdust /polybag, M1=dose giving sawdust 100 g/polybag, M2=dose giving 200g/polibag sawdust and repeated 3 times, so it can be 36 units in the trial. Each experimental unit consisting of 2 oil palm seedlings, so it takes 72 seeds. The parameters were observed are the plants gain height, increasing number of leaves, increasing tuber diameter, root volume, dry weight seedling and relative growth rate. NPK fertilizer giving gave significantly different effect on seedling height parameter and the number of leaves but did not give significant effect on tuber diameter, root volume, dry weight seedlings and relative growth rate. The combination of sawdust mulch giving 200 g/polybag with NPK fertilizer 4 tablets/polybag give the best seedling growth on the parameters of seedling height, leaf number, root volume and dry weight. Keywords : palm seeds, sawdust mulch, fertilizer NPK
Evaluasi Penerapan Program Keselamatan Kerja Dengan Pendekatan Fault Tree Analysis Dalam Menigkatkan Produktivitas Kerja Di PT. XYZ Situmorang, Fernando; Marikena , Nita
Journal Technology and Industrial Engineering (JTIE) Vol. 2 No. 1 (2023): September: Technology and Industrial Engineering
Publisher : Research Institute of Science, Technology and Art (RISTecArt)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59840/jtie.v2i1.303

Abstract

Penelitian menggunakan metode analisis pohon kesalahan kecelakaan industri di perusahaan dalam tiga tahun terakhir dari 2018 hingga 2020 berdasarkan data jam kerja yang hilang. Pengumpulan data primer dilakukan melalui metode observasi dan pengumpulan data sekunder. Pengumpulan data primer dilakukan dengan metode observasi dan pengumpulan data sekunder. Studi ini mengukur hasil kerja produksi keselamatan dan nilai T keselamatan, dan menyatakan jumlah kecelakaan per 1 juta jam kerja pada periode saat ini dengan tingkat frekuensi. Keparahan menunjukkan jumlah hari yang hilang karena kecelakaan per 1.000.000 jam kerja oleh karyawan. Safety T-Score adalah metrik yang dirancang untuk membandingkan hasil dalam tingkat pengurangan kecelakaan yang dicapai oleh upaya tersebut. Dengan demikian, temuan menandakan bahwa kecelakaan kerja dapat mempengaruhi produktivitas kerja.
Co-Authors Gulat ME Manurung Hapsoh Marikena , Nita