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All Journal JURNAL SAINS PERTANIAN EQUATOR Inersia : Jurnal Teknik Sipil
hadi, faizal
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science

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PENGARUH LAMA PENGERINGAN BETON SERAT PANDAN PUNDAK DURI (PANDANUS TECTORIUS) TERHADAP KUAT TARIK BELAH BETON hadi, faizal; Gunawan, Agustin
Inersia: Jurnal Teknik Sipil Vol. 11 No. 1 (2019)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (170.855 KB) | DOI: 10.33369/ijts.11.1.1-6

Abstract

Concrete is a material that have the strength to compression, but it is weak against tensile strength. The weakness of the tensile strength of concrete can be minimized by adding pandanus tectorius fiber. This study was aimed to determine the effect of adding pandanus tectorius fiber to split- tensile strength of concrete and percentage of the fiber in concrete that shows the highest split- tensile strength. The specimens used in this study is cylindrical with dimensions of 30 cm in height and 15 cm in diameter (SNI 03-4810-1998). Total of specimens is 32 that consist of 8 normal concretes and 24 variation concretes. An addition of pandanus tectorius fiber with the variation of 0,25%, 0,5%, and 0,75% was based on volume of the specimen. The mix design of concrete used water-cement ratio of 0.5 and slump of 60-100 mm. The splittensile strength of concrete was tested at 7 days and 14 days of dryng after immersing for 27 days. The result of split-tensile strength test of concrete with a variation of pandanus tectorius fiber showed a decreasing. The decreasing of split-tensile strength of concrete at 41 days was smaller than at 34 days to normal concrete. The highest decreasing percentage of split-tensile strength of variation concrete to normal concrete was respectively 9,249% (variation 0,25 tested at 41 days) and 14,518% (variation 0,75% tested at 34 days) .
ANALISIS PERSEPSI PETANI TERHADAP BENIH PADI UNGGUL BERSERTIFIKAT DI DESA SUNGAI KAKAP KECAMATAN SUNGAI KAKAP KABUPATEN KUBU RAYA HADI, FAIZAL; YURISINTHAE, ERLINDA; KURNIATI, DEWI
Jurnal Sains Pertanian Equator Vol. 9 No. 1 (2020)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v9i1.37075

Abstract

ABSTRAKPenggunaan benih padi unggul bersertifikat merupakan salah satu usaha intensifikasi pertanian untuk meningkatkan hasil produksi tanaman padi, pada kenyataannya persentase petani dalam menggunakan benih padi unggul bersertifikat masih tergolong rendah. Penelitan ini bertujuan melihat persepsi petani dan hubungan karakteristik petani terhadap benih padi unggul bersertifikat. Metode penelitian ini menggunakan metode deskriftif. Teknik pelaksanaan penelitian menggunakan teknik survei. Penentuan lokasi penelitian dilakukan secara sengaja (purposive). Penelitian ini dilakukan di Desa Sungai Kakap Kecamatan Sungai Kakap Kabupaten Kubu Raya. Sampel yang diperoleh dari teknik berstrata secara proposional berjumlah 92 responden. Analisis persepsi terdiri dari (1) keuntungan relatif, (2) kesesuaian, (3) kerumitan, (4) kemungkinan dicoba dan (5) kemungkinan diamati. Menggunakan skala likert untuk mengetahui kategori persepsi. Untuk mengetahui karakteristik dihitung menggunakan rank spearman. Hasil penelitian menunjukkan Persepsi petani terhadap benih padi unggul bersertifikat adalah baik. faktor-faktor yang mempengaruhi adalah tingkat keuntungan relatif, kemungkinan dicoba dan kemungkinan diamati. Penggunaan benih unggul bersertifikat akan berimbas pada kenaikan produksi padi dan pendapatan petani. Adapun hubungan yang berkorelasi dengan persepsi petani menggunakan benih unggul bersertifikat adalah variabel umur dan pengalaman bertani.Kata Kunci : Pesepsi, Benih Bersertifikat, Padi
Co-Authors Dewi Kurniati Erlinda Yurisinthae Gunawan, Agustin