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All Journal TERRA : Journal of Land Restoration Edusiana: Jurnal Ilmu Pendidikan
Purnamasari , Ayu
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Agriculture, Biological Sciences & Forestry Education Languange, Linguistic, Communication & Media Mathematics Other

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Yield Performance of Sorghum Varieties Treated With Organic Fertilizer in Sumbawa Regency Bajhir , Yusuf; Kadafi , Muamar; Purnamasari , Ayu; Khairi, Alfassabiq
TERRA : Journal of Land Restoration Vol. 8 No. 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.1.50-56

Abstract

Sorghum is an ancient grain that has good performance and adaptation in extreme condition. The crop is a stress-resilient crop with highly productive NADP-ME type C4 photosynthesis and highly efficient nitrogen and water utilization. Sorghum also requires relatively less water than other important cereals such as maize and wheat. Sorghum cultivation is very suitable to be carried out in Sumbawa Regency because it has the characteristic of low rainfall. The most common obstacle that occurs in sorghum cultivation is not being able to maximize plant genetics and existing nutrients, so that plant yields are low. One of them is by applying organic fertilizer. The interest in the use of organic fertilizers is increasing due to polluting effects of chemical fertilizers in the aerial and soil environment and gradual decline in the soil fertility. The aim of this study was to determine the yield of plants with different doses of organic fertilizers and sorghum varieties in Sumbawa Regency. This research used Split Plot Design consisting of two plots. The main plot three sorghum varieties were evaluated including V1 = Bioguma, V2 = GBE Methane, and V3 = Sweetbetty. The subplot is the application of solid organic fertilizer including T0 = control, T1 = 50 g plant-1, T2 = 100 g plant-1, and T3 = 200 g plant-1. This study had 3 replications and 36 experimental units. The results show that organic fertilizer application doses can cause significant differences in root weight, dry weight, fresh weight, grain weight/plant, weight 1000 grains, productivity, panicle length, and flowering age. Then, different types of sorghum also cause significant differences in grain weight per plant, weight of 1000 grains, and productivity. The best productivity is found at 200 g plant-1 of organic fertilizer. Optimal fertilizer application produces better grain.  
Penerapan Pendekatan Realistic Mathematic Education Untuk Meningkatkan Keterampilan Berfikir Kreatif Siswa Pada Pelajaran Matematika Kelas IV SD IT Insan Madani Sriwijaya Palembang Yunita, Eka; Purnamasari , Ayu; Amin, Muhammad
Edusiana: Jurnal Ilmu Pendidikan Vol. 4 No. 1 (2026): April 2026
Publisher : LPPI Yayasan Almahmudi bin Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70437/edusiana.v4i1.1832

Abstract

Penelitian ini bertujuan untuk meningkatkan keterampilan berpikir kreatif siswa pada pelajaran matematika melalui penerapan pendekatan Realistic Mathematics Education (RME) di kelas IV SD IT Insan Madani Sriwijaya Palembang. Masalah utama yang melatarbelakangi penelitian ini adalah rendahnya kemampuan siswa dalam menyelesaikan soal pembagian secara kreatif serta dominasi metode konvensional (ceramah) oleh guru. Metode penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK) yang terdiri dari dua siklus dengan tahapan perencanaan, pelaksanaan, observasi, dan refleksi. Subjek penelitian adalah 14 siswa kelas IV. Instrumen pengumpulan data meliputi tes keterampilan berpikir kreatif, lembar observasi aktivitas, wawancara, dan dokumentasi. Hasil penelitian menunjukkan peningkatan signifikan pada setiap siklus. Pada tahap prasiklus, ketuntasan klasikal hanya 25% dengan rata-rata nilai 58,75. Setelah tindakan pada Siklus I, aktivitas siswa mencapai 56%, namun ketuntasan klasikal masih stagnan di 25%. Pada Siklus II, terjadi peningkatan drastis di mana ketuntasan belajar mencapai 100% dengan kategori aktivitas siswa "Sangat Baik". Simpulan penelitian ini menunjukkan bahwa pendekatan RME efektif dalam menumbuhkan kemampuan berpikir kreatif siswa melalui penggunaan masalah kontekstual yang dekat dengan kehidupan sehari-hari
Co-Authors Bajhir , Yusuf Eka Yunita, Eka Khairi, Alfassabiq Muamar Kadafi Muhammad Amin