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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK)
Sudarsono ,
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Other

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IMPLEMENTING RAFT STRATEGY TO ENHANCE STUDENTS’ SKILL IN WRITING FORMAL LETTER Lindawaty, Januarnita; ,, Sudarsono; Sada, Clarry
Jurnal Pendidikan dan Pembelajaran Khatulistiwa Vol 3, No 9 (2014): September 2014
Publisher : Jurnal Pendidikan dan Pembelajaran Khatulistiwa

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Abstract

Abstract: This research aims to find out how the implementation of RAFT (Role, Audience, Format and Topic) strategy enhanced the students’ skill in writing a formal letter and to investigate how RAFT strategy improved the students’ writings in Grade 10 “SMA Tunas Bangsa Kubu Raya”. This research is a classroom action research. The subject of this research numbered 15 students. Having conducted three cycles of action research, the researcher found out that the teaching practice improved and the result of students’ writing scores also improved from cycle to cycle in terms of content and language. The students were able to write more effectively as they were aware who they were writing as, to whom they were writing, what format their writing was and the topic of their writing. The students wrote more purposively and focused after being introduced to RAFT writing strategy. Keywords: RAFT, writing skill, formal letter   Abstrak:Penelitian ini bertujuan untuk mengetahui implementasi strategi RAFT (Role, Audience, Format and Topic) dalam meningkatkan keterampilan menulis surat resmi dan untuk menelusuri bagaimana strategi tersebut berdampak pada tulisan siswa di kelas 10 SMA Tunas Bangsa Kubu Raya. Penelitian ini dilaksanakan dalam bentuk penelitian tindakan kelas dengan 15 siswa sebagai subjek penelitian. Dalam 3 siklus yang telah dilaksanakan, ditemukan bahwa kegiatan mengajar meningkat dan nilai tulisan siswa meningkat dari satu siklus ke siklus lainnya, khususnya dalam aspek isi dan bahasa. Siswa menulis dengan lebih efektif karena mereka lebih memperhatikan peran mereka sebagai penulis, kepada siapa mereka menulis, format serta topik tulisan mereka. Siswa juga lebih memperhatikan tujuan tulisan mereka setelah strategi menulis RAFT dikenalkan pada mereka. Kata kunci: RAFT, kemampuan menulis, surat resmi
Perlakuan Invigorasi untuk Meningkatkan Mutu Fisiologis dan Kesehatan Benih Padi Hibrida Intani-2 Selama Penyimpanan ,, Purnawati; Ilyas, Satriyas; ,, Sudarsono
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 42 No. 3 (2014): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.609 KB) | DOI: 10.24831/jai.v42i3.9161

Abstract

ABSTRACT Storage condition and pathogen infection of seed can cause seed deteriorates faster. The rate of deterioration during storage could be slowed by seed invigoration, and pathogen infection could be elimited by application of natural pesticide. The objective of this research was to determine the effect of seed invigoration on seed physiological quality and health of Intani-2 hybrid rice seed during storage. All research activities were done at Laboratory of Quality Control and Plant Protection, PT. BISI International, Kediri, East Java. Split plot design was used in this experiment with 4 replications. Three seed lots of Intani-2 rice seed were used as main plot and 5 invigoration treatments were used as sub plot. Seed lot 1, 2 and 3 were harvested on 30 June 2012, 29 September 2012, and 2 November 2012, respectively. Invigoration treatments consisted of untreated, priming with ascorbic acid 40 ppm, osmoconditioning with KNO3 2%, osmoconditioning with PEG -0.2 MPa, and hydropriming. All invigoration treatments were added with clove oil 0.3%. Osmoconditioning with KNO3 2% + clove oil 0.3% was effective to maintain vigour index of seed lots 2 and 3 for up to 3 months storage. All seed invigoration treatments increased speed of germination before storage. Priming with ascorbic acid 40 ppm + clove oil 0.3% and osmoconditioning with PEG -0.2 MPa + clove oil 0.3% were effective to reduce the growth of Xanthomonas sp. on rice seeds monitored at 0, 2, and 3 months after storage.Keywords: ascorbic acid, clove oil, KNO3, osmoconditioning, PEG
Co-Authors Clarry Sada Januarnita Lindawaty Purnawati , SATRIYAS ILYAS