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All Journal Jurnal Ilmu Ternak Journal of Degraded and Mining Lands Management Jurnal Entomologi Indonesia Soil REns Jurnal Agro Wiralodra
Sandrawati, Apong
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Veterinary

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Nutrient content, fiber fractions, and rumen fermentation in vitro of mulato grass grown with different cutting age in lowland West Java, Indonesia Mayasari, Ph.D, Novi; Salman, Lia Budimulyati; Susilawati, Iin; Sandrawati, Apong; Ismiraj, Muhammad Rifqi; Firmansyah, Indra; Wulansari, Asri
Jurnal Ilmu Ternak Universitas Padjadjaran Vol 25, No 2 (2025): July
Publisher : Fakultas Peternakan, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jit.v25i2.61097

Abstract

One of the major challenges in ruminant production in Indonesia is ensuring the availability of high-quality and adequate forage. Identifying forage varieties with good nutritive value that adapt well to local climate conditions is crucial. This study evaluated the nutrient composition, fiber fractions, and in vitro rumen fermentation of Mulato grass harvested at different cutting ages (30, 40, and 50 days) in the lowlands of West Java, Indonesia. The nutrient content, analyzed using proximate and fiber fraction analysis, showed no significant differences across cutting ages except for ash content, which was lower at 40 days. Mulato grass cut at 30 days had lower acid detergent fiber (ADF), neutral detergent fiber (NDF), acid detergent lignin (ADL), and hemicellulose levels, while its cellulose content was higher compared to grass cut at 40 or 50 days. Rumen fermentation results indicated that grass cut at 30 days had higher in vitro dry matter digestibility (IVDMD), organic matter digestibility (IVOMD), and total volatile fatty acids (TVFA). These findings suggest that Mulato grass harvested at 30 days offers better digestibility and rumen fermentation outcomes, making it a suitable forage choice for ruminants in the lowlands of West Java, Indonesia.
Analisis Kesesuaian Lahan Aktual dan Potensial untuk Tanaman Jagung di Kecamatan Cikancung, Provinsi Jawa Barat Devnita, Rina; Umami JM, Agnes Iko; Sandrawati, Apong; Anindita, Sastrika; Arifin, Mahfud
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66091

Abstract

A systematic process of assessing the potential and limitation of land resources for specific uses is essential to provide information for land-use planning, resource management, and policy-making. This research aims to determine the actual and potential land suitability for corn (Zea mays L.) in Cikancung District, Bandung Regency, West Java, Indonesia. Land suitability evaluation was carried out through a survey method using a physiographic approach through overlaying soil maps, topography, climate, and land use to produce land map units (SPL). Data were obtained through field observations at each SPL, and the results of analysis of soil samples were taken from each SPL. Field and laboratory data were matched with corn growth requirements through the matching table method. The study revealed that land in Cikancung District has actual land suitability classes for corn cultivation of N1n.,eh; N2eh; and S3rc.nr. Of the total 987.13 ha, 3.54 ha is classified as S3, while 983.59 ha is unsuitable due to slope limitations. With slope improvements (e.g., terraces) and nutrient retention measures (e.g., lime application), and orgnanic matter application. The potential land suitability classes improve to S2wa.rc; S3eh; and Neh. Under these improved conditions, the potential suitable land area for corn (S2 and S3) increases to 142.01 ha, representing 14.38% of the total land area.
The diversity and ecological roles of insects and arachnids in arabica coffee (Coffea arabica) plantation in Palasari, Bandung Regency: Keanekaragaman dan fungsi ekologis serangga dan arachnida pada ekosistem kopi arabika (Coffea arabica) di Palasari, Kabupaten Bandung Maharani, Yani; Dewi, Ajeng Putri Kusuma; Rasiska, Siska; Hutapea, Dedi; Maxiselly, Yudithia; Sandrawati, Apong
Jurnal Entomologi Indonesia Vol 21 No 1 (2024): March
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.21.1.54

Abstract

The diversity of arthropod communities is often used as a bioindicator of environmental changes, specifically in coffee farms with various management systems. Significant impacts of the environmental changes lead to alterations in the community structure and function of arthropods. The aim of this research was to determine the diversity and ecological roles of insect and arachnids in arabica coffee plantations in Bandung Regency. Sampling was conducted on five plots measuring 100 m2 each, with a separating distance of 50 m, in coffee farms located in Legok Nyenang Village, Bandung Regency. This was performed five times per weekly intervals using sweep nets, yellow tray traps, and beating sheets. Subsequently, collected samples were identified based on morphological characters at the Pest Laboratory, Faculty of Agriculture, Padjadjaran University. A total of 269 insects species (11 orders and 98 families, total 669 individuals) and 23 species of Arachnida (one order and 13 families, total 44 individuals) were found, The most abundance of natural enemies were the parasitoid, Megacampsomeris prismatica (Hymenoptera: Scoliidae) and the predator, Tetragnatha sp. (Araneae: Tetragnathidae). Meanwhile, the ecological function of the group with the lowest number was pollinators (Hymenoptera: Apidae). Although the diversity of insects and arachnids species found in coffee farms was high (H' = 5.10), the evenness and dominance index were relatively low. These results showed the potential of coffee plantations as ecosystems for conserving predatory arthropods biodiversity. Consequently, coffee cultivation practices and pest management strategies must prioritize the protection of beneficial insects such as natural enemies and pollinators.
Co-Authors Anindita, Sastrika Asri Wulansari, Asri Dewi, Ajeng Putri Kusuma Eso Solihin Firmansyah, Indra Hutapea, Dedi Iin Susilawati Ismiraj, Muhammad Rifqi Lia Budimulyati Salman Mahfud Arifin Masruri, Muhammad Kholil Maulana, Haris Mauludy, Noor Muhammad Mayasari, Ph.D, Novi Muhammad Amir Solihin Mutaqin, Zaenal Nadia Nuraniya Kamaluddin Pujawati Suryatmana Reginawanti Hindersah Rija Sudirja Rina Devnita Santi Rosniawaty SIska Rasiska, SIska Sitorus, Hasnan Pratama Sumbada, Rifyal Achmad Rivaldi Tiara Aninditha Umami JM, Agnes Iko Yani Maharani, Yani Yudithia Maxiselly