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All Journal JURNAL ILMU PERTANIAN e-Jurnal Inovasi Pembelajaran Sekolah Dasar e-Jurnal Inovasi Pembelajaran Sekolah Dasar
Rosmanita, Rosmanita
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Agriculture, Biological Sciences & Forestry Computer Science & IT Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Peningkatan Proses Pembelajaran Tematik Terpadu Menggunakan Pendekatan Saintifik di Kelas II SD Rosmanita, Rosmanita; Arwin, Arwin
e-Jurnal Inovasi Pembelajaran Sekolah Dasar Vol 8, No 1 (2020): (Januari-April) e-JIPSD
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/e-jipsd.v8i1.8128

Abstract

This research purposed to describe the improvement of integrated thematic learnig process using Scientific Approach Grade II in Elementary School. This research is a classroom action research with qualitative and quantitative approaches. Subjects were teachers and 14 students. This research was consists of two cycles. The first cycle consists of two meetings and the second cycle consists of one meeting with stages of planning, implementation, observation, and reflection .The result of planning observation in cycle I is 81,81% (B) and it increase to be 90,90% (A)  in cycle II. The result of teacher aspect observation in cycle I is 77,5% (C)  and it increase to be 95% (A) in cycle II. The result of student aspect observation in cycle I is 67,5% (C)  and it increase to be 90% (A) in cycle II. The learning outcomes in cycle I is 75(C) and it increase to be 88,21 (A) in cycle II. The research showed the scientific approach can improve the integrated thematic learnig process Grade II at Elementary School.
Efikasi Serbuk Daun Belimbing Wuluh dan Pandan Wangi Sebagai Insektisida Nabati dalam Pengendalian Hama Kutu Beras (Sitophilus oryzae) Lisa, Oviana; Lizmah, Sumeinika Fitria; Sari, Putri Mustika; Rosmanita, Rosmanita
AGRIUM: Jurnal Ilmu Pertanian Vol 27, No 1 (2024)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/agrium.v27i1.16883

Abstract

Kutu beras (Sitophilus oryzae) menjadi hama utama yang menyerang produk simpanan beras di gudang sehingga dapat menurunkan kualitas dan kuantitas beras. Diperlukan upaya pengendalian hama kutu beras yang bersifat ramah lingkungan seperti pemanfaatan bioinsektisida berbahan alami dari tumbuhan agar mengurangi dampak negatif penggunaan insektisida sintetik terhadap lingkungan. Penelitian ini bertujuan untuk menganalisis mortalitas dan antifidan hama kutu beras setelah diaplikasikan serbuk daun belimbing wuluh dan pandan wangi. Metode penelitian yang digunakan adalah metode eksperimental dengan Rancangan Acak Lengkap (RAL) dengan 8 perlakuan dan 3 kali ulangan. Data penghambatan konsumsi pakan diperoleh melalui perhitungan kehilangan bobot beras selam 21 Hari Setelah Aplikasi (HSA). Hasil penelitian menunjukkan serbuk daun belimbing wuluh dan daun pandan wangi efektif sebagai insektisida nabati dalam mengendalikan hama kutu beras dengan persentase mortalitasnya melebihi 50%. Persentase mortalitas tertinggi pada aplikasi daun belimbing wuluh dengan konsentrasi 50 g dan pandan wangi 40 g. Uji penghambatan makan memperlihatkan hasil bahwa semakin tinggi konsentrasi serbuk diberikan, maka nilai persentase kerusakan beras akan semakin menurun akibat aktivitas senyawa metabolit sekunder saponin, flavonoid, dan tanin yang terdapat pada tanaman. Senyawa metabolit sekunder saponin dan flavonoid pada daun belimbing wuluh dan pandan wangi bekerja sebagai senyawa antifeedant yang dapat menghambat aktivitas makan hama kutu beras. 
Peningkatan Proses Pembelajaran Tematik Terpadu Menggunakan Pendekatan Saintifik di Kelas II SD Rosmanita, Rosmanita; Arwin, Arwin
e-Jurnal Inovasi Pembelajaran Sekolah Dasar Vol 8, No 1 (2020): (Januari-April) e-JIPSD
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/e-jipsd.v8i1.8128

Abstract

This research purposed to describe the improvement of integrated thematic learnig process using Scientific Approach Grade II in Elementary School. This research is a classroom action research with qualitative and quantitative approaches. Subjects were teachers and 14 students. This research was consists of two cycles. The first cycle consists of two meetings and the second cycle consists of one meeting with stages of planning, implementation, observation, and reflection .The result of planning observation in cycle I is 81,81% (B) and it increase to be 90,90% (A)  in cycle II. The result of teacher aspect observation in cycle I is 77,5% (C)  and it increase to be 95% (A) in cycle II. The result of student aspect observation in cycle I is 67,5% (C)  and it increase to be 90% (A) in cycle II. The learning outcomes in cycle I is 75(C) and it increase to be 88,21 (A) in cycle II. The research showed the scientific approach can improve the integrated thematic learnig process Grade II at Elementary School.
Co-Authors Arwin Arwin Lisa, Oviana Lizmah, Sumeinika Fitria Sari, Putri Mustika