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All Journal Jurnal Akademika Biologi Pendas : Jurnah Ilmiah Pendidikan Dasar
Sri Hariyati
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Biochemistry, Genetics & Molecular Biology Other

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PERUBAHAN MORFOLOGI UMBI KENTANG KONSUMSI (Solanum tuberosum L. Var Granola) SETELAH PERLAKUAN CARA DAN WAKTU PENYIMPANAN YANG BERBEDA Edi Purnomo; Sri Widodo Agung Suedy; Sri Hariyati
Jurnal Akademika Biologi Vol. 3 No. 1 Januari 2014
Publisher : Departemen Biologi, Fakultas Sains dan Matematika Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (138.229 KB)

Abstract

Agriculture product storage is an important that must be done in post harvest handling. Potato is one of the easily broken product, so that a good handling is needed to mantain quality as one of functional food. The present study aims to know the effects of methode and time storage of morphology tuber potato consumption. This  research  uses Completely Randomize Design on  factorial pattern with  two  factors.  First, method storage (K1); saved in open container, (K2); saved in close container. Second, time storage (T1); 2 weeks, (T2); 4 weeks, (T3);  6 weeks, (T4); 8 weeks, (T5); 10 weeks. This research uses 10 treatments and 3 replications. The parameter includes morphology quantitatively: diameter decreasing, total black spot, percentage of breakage and morphology qualytatively: surface alteration and bud. Data were analyzed using  ANOVA, followed by Duncan’s test at the significance level of 95%. The results showed that storage method in open container (K1) tends increase diameter shrinkage. Storage time caused alteration of morphology in quantitative and qualytative. Interaction between method and time of storage influence in total black spot (p<0,05). Storage of potato tuber consumption had better kept at a distance from light presence less 4 weeks. Keywords: storagemethod, storagetime, Solanum tuberosum L., morphology
IMPLEMENTASI MODEL DISCOVERY LEARNING DENGAN PENDEKATAN TARL UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA PADA PESERTA DIDIK KELAS IX DI SMPN 1 GEGER Maylinda Dwi Astuti; Tri Andari; Sri Hariyati
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 9 No. 04 (2024): Volume 09, Nomor 04, Desember 2024
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v9i04.20134

Abstract

This study aims to improve the mathematics learning outcomes of grade IX students at SMPN 1 Geger through the application of the Discovery Learning model combined with the Teaching at the Right Level (TaRL) approach. The main problem faced is the low understanding of mathematical concepts by students. The Discovery Learning model was chosen because it can encourage students to find concepts independently through exploration, while the TaRL approach adjusts learning to students' abilities. This study is a classroom action research conducted in two cycles, with 32 students as subjects. Data were collected through observation, interviews, and learning outcome tests, using observation sheet instruments, post-test questions, and structured interviews. The results showed a significant increase in mathematics learning outcomes. The average score in cycle I was 73.5, while in cycle II it increased to 86.8. The percentage of learning completion also increased from 56% in cycle I to 84% in cycle II. These results indicate that the application of the Discovery Learning model combined with TaRL is effective in improving the mathematics learning outcomes of grade IX students.
Co-Authors Maylinda Dwi Astuti Sri Widodo Agung Suedy Tri Andari