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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Yumary: Jurnal Pengabdian kepada Masyarakat Berita Biologi
Puspitaningrum, Hardini
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Engineering Environmental Science Social Sciences Other

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Upaya Meningkatkan Kemampuan Desain Pembelajaran Etnosain Guru Biologi untuk Keberlanjutan Sriyati, Siti; Solihat, Rini; Siswandari, Puti; Puspitaningrum, Hardini; Purwianingsih, Widi
Yumary: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 4 (2025): Juni
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v5i4.3649

Abstract

Purpose: The purpose of this activity is to improve biology teachers’ ability to design ethnoscience-based learning to support the concept of sustainability. Research methodology: The training used the lesson study (plan-do-see) activity pattern. The activity was carried out in four meetings (three online and one offline) held from July to September 2024. Learning was implemented at one of the SMA N in Singaparna, Tasikmalaya, West Java. Results: The results of this training activity show that the teaching modules prepared by teachers by integrating local wisdom or potential with biology materials can be carried out by 93.5% (very good). The results of the questionnaire show that 100% of teachers consider the integration of local wisdom/local potential into biology material important, because it can increase students' understanding of concepts (100%) and can increase character values and student sustainability (100%). For teachers, learning based on local wisdom adds insight into innovative learning and becomes more sensitive to recognizing the local wisdom/potential of their region (92.7%). Conclusions: Biology teachers successfully designed ethnoscience-based learning modules to support sustainability, as demonstrated by the production of eight teaching modules and their effective classroom implementation (93.5%). Teachers responded positively, with 92.3% becoming more aware of local wisdom and 100% agreeing that it enhances character and sustainability values. Limitations: Student response data were not taken, even though it was necessary to confirm the results of teachers' responses to ethnoscience-based learning. Contribution: Improve teachers' ability to design ethnoscience-based teaching materials, improve students' understanding of concepts, and shape students' character values and sustainability.
Unveiling Heavy Metal Pollution in Soils and Rice Crops (Oryza sativa L.) Cultivation Danapriatna, Nana; Dede, Moh.; Widiawaty, Millary Agung; Puspitaningrum, Hardini; Lutfiadi, Ridwan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.730-738

Abstract

The landscape changes through the increasing built-up areas (settlements and industrial) have a potential impact on reducing the quality of agricultural land. Waste from anthropogenic activities (industrial and domestic) is the main source of heavy metals that can affect rice production in the fields. This study examines the quality changes of paddy fields (Oryza sativa L.) polluted by wastewater in Muara Bakti Village, Bekasi Regency. Wastewater's impact on paddy fields is known through heavy metal contamination analysis in soil and rice plants. Chemical analysis of soil, water and plants was completed by the Balai Penelitian Tanaman Sayuran (Balitsa) Laboratory, West Bandung. The results showed that heavy metal levels such as lead (Pb) and cadmium (Cd) in the paddy soil samples were above the threshold in soil, respectively more than 25 mg/l and 0.01 mg/l. In contrast, the rice plant samples, it was identified as containing heavy metals such as Cd and chromium (Cr). Pb content was not detected in the rice plants. Soil in Muara Bakti Village contained optimal nutrients that are still suitable for agriculture. However, heavy metal content detected in soil samples and rice plants requires special handling to prevent endangering the agroecosystem and human health. Keywords: Agroecosystem, Heavy metals, Paddy fields, Soil pollution, Waste
ANALISIS KARAKTERISTIK VEGETATIF DARI EMPAT VARIETAS PADI DALAM PERLAKUAN CEKAMAN KEKERINGAN [Vegetative Characteristics Analysis of Four Rice Varieties Under Drought Stress] Puspitaningrum, Hardini; Salamah, Andi
Berita Biologi Vol 22 No 1 (2023): Berita Biologi
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/beritabiologi.2023.797

Abstract

Rice plants that are resistant to drought stress and can be grown on dry land, are needed to increase national food security. A method which has been widely used to determine drought tolerance levels of plants is the morphological analysis. The vegetative characteristics analysis of rice varieties thought to be drought-tolerant, such as West Sumba rice varieties (Pare Lambem and Pare Bakato Kaka), INPARI 32 and INPARI 42, is known to have never been done before. This study aims to identify rice varieties that show the highest stress tolerance based on vegetative performance data through drought stress treatments. The research started with germinating seeds in two treatments (control and PEG 6000 20%) for seven days. The germinated seeds were then transferred to the planting medium and watered every three days for samples treated with PEG 6000 20% after 14 DAP (drought treatment). The vegetative performance data was then processed statistically by calculation of the Fernandez index (1993) or the t-test (α<0.05). The results showed that the percentage of germination, radicle weight, and the average number of leaves (35 DAP) in each variety grouped into the tolerant category. For the leaf curvature scores, the Pare Lambem variety is classified into the sensitive category (score 5), while the other three varieties were classified as Tolerant-category (score 1). Plant height and leaf length values at 7 DAP and 35 DAP showed the same pattern as the leaf curvature score that Pare Lambem showed a significant difference between the control and drought treatments based on the t-test (sensitive category). In contrast, other varieties showed a tolerant category. Based on the assessment of several test characteristics, Pare Lambem was classified into the slightly tolerant category (42.8%), while other varieties were classified into the tolerant category (85.7%).
Co-Authors Andi Salamah Millary Agung Widiawaty Moh. Dede Nana Danapriatna Ridwan Lutfiadi Rini Solihat Siswandari, Puti Siti Sriyati Widi Purwianingsih