Lating, Raudatul Janna
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Pengaruh Konsentrasi dan Frekuensi POC Biofouling Tiram Mutiara terhadap Kerapatan Stomata Hotong (Setaria italica (L.) Nendissa, Jeanne Ivonne; Riry, Johan; Patty, Jogeneis; Amba, Martha; Wahditiya, Andi Adriani; Lating, Raudatul Janna
Media Pertanian Vol 10, No 2 (2025): Media Pertanian
Publisher : Program Studi Agroteknologi Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/mp.v10i2.16433

Abstract

Ketersediaan nutrisi berperan penting dalam mengatur fungsi fisiologis tanaman, termasuk pembentukan dan kerapatan stomata yang memengaruhi efisiensi fotosintesis serta penggunaan air. Salah satu sumber nutrisi organik potensial adalah Pupuk Organik Cair (POC) berbasis biofouling Tiram Mutiara, yang mengandung unsur hara esensial seperti nitrogen, fosfor, dan kalium. Penelitian ini bertujuan untuk menganalisis pengaruh konsentrasi dan frekuensi aplikasi POC biofouling Tiram Mutiara terhadap kerapatan stomata tanaman hotong (Setaria italica (L.)). Penelitian dilaksanakan di Desa Mamala, Kabupaten Maluku Tengah, dari Oktober 2023 hingga Januari 2024, menggunakan rancangan acak kelompok lengkap (RAKL) dua faktor, yaitu konsentrasi POC (0, 10, 20, dan 30 mL/L) serta frekuensi aplikasi (satu kali pada 25 Hari Setelah Tanam [HST] dan dua kali pada 25 dan 50 HST). Hasil analisis varians menunjukkan bahwa kedua faktor berpengaruh signifikan terhadap kerapatan stomata, tinggi tanaman, dan jumlah daun. Perlakuan P3W2 (30 mL/L, dua kali aplikasi) memberikan nilai tertinggi dengan kerapatan stomata 366,67 stomata/cm². Hasil ini menunjukkan bahwa peningkatan konsentrasi dan frekuensi aplikasi POC biofouling meningkatkan aktivitas fisiologis tanaman melalui pembentukan stomata yang lebih padat dan efisien. Dengan demikian, POC biofouling Tiram Mutiara berpotensi digunakan sebagai pupuk organik ramah lingkungan yang mendukung pertumbuhan dan efisiensi fotosintesis tanaman hotong.  Nutrient availability plays a crucial role in regulating plant physiological functions, including stomatal formation and density, which directly affect photosynthetic efficiency and water use. One promising organic nutrient source is Pearl Oyster biofouling-based liquid organic fertilizer (POC), which contains essential elements such as nitrogen, phosphorus, and potassium. This study aimed to examine the effects of different concentrations and application frequencies of Pearl Oyster biofouling POC on the stomatal density of foxtail millet (Setaria italica (L.)). The research was conducted in Mamala Village, Central Maluku Regency, from October 2023 to January 2024, using a randomized complete block design (RCBD) with two factors: POC concentration (0, 10, 20, and 30 mL/L) and application frequency (once at 25 Days After Planting [DAP] and twice at 25 and 50 DAP). Analysis of variance revealed significant effects of both factors on stomatal density, plant height, and leaf number. The highest stomatal density (366.67 stomata/cm²) was observed in treatment P3W2 (30 mL/L applied twice). These findings indicate that higher concentrations and more frequent applications of biofouling-based POC enhance plant physiological activity by promoting denser and more efficient stomatal development. Therefore, Pearl Oyster biofouling POC can serve as an environmentally friendly organic fertilizer that supports improved growth and photosynthetic efficiency in Setaria italica (L.).
Enhancing Growth and Yield of Foxtail Millet Using Pearl Oyster Biofouling Fertilizer Nendissa, Jeanne Ivonne; Riry, Johan; Patty, Jogeneis; Amba, Martha; Wahditiya, Andi Adriani; Lating, Raudatul Janna
Jurnal Ilmu Pertanian Vol 10, No 3 (2025): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.109488

Abstract

Hotong (Setaria italica L.), or foxtail millet, is an emerging alternative cereal crop with high adaptability to marginal environments and considerable nutritional value. This study aimed to evaluate the effects of liquid organic fertilizer (LOF) derived from pearl oyster (Pinctada maxima L.) biofouling waste on the growth and yield of hotong cultivated under tropical conditions in Mamala Village, Maluku. A factorial randomized block design was implemented using four fertilizer concentrations (0, 10, 20, and 30 mL·L⁻¹) and two application timings (25 and 50 days after planting, DAP). Results revealed that LOF application significantly enhanced both vegetative and reproductive traits. The concentration of 30 mL·L⁻¹ applied at 25 DAP produced the largest leaf area (64.17 cm²) and highest total biomass (306.91 g), indicating improved nutrient uptake and photosynthetic capacity during early growth. Yield components—including plant height, panicle number, and grain weight—increased by 40–60% relative to the control treatment. These findings demonstrate that organic fertilizer made from aquaculture biofouling waste functions as an effective nutrient source for cereal crops while contributing to environmentally responsible waste management. The integration of aquaculture residues into agricultural fertilizer production aligns with circular economy principles by promoting nutrient recycling, reducing reliance on synthetic fertilizers, and mitigating marine pollution associated with biofouling disposal. The implications of this research highlight the potential for scalable, low-cost, and eco-friendly fertilization strategies that enhance food security in marginal farming areas, strengthen coastal community resilience, and support sustainable linkages between aquaculture and terrestrial crop production systems.
Enhancing Growth and Yield of Foxtail Millet Using Pearl Oyster Biofouling Fertilizer Nendissa, Jeanne Ivonne; Riry, Johan; Patty, Jogeneis; Amba, Martha; Wahditiya, Andi Adriani; Lating, Raudatul Janna
Jurnal Ilmu Pertanian Vol 10, No 3 (2025): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.109488

Abstract

Hotong (Setaria italica L.), or foxtail millet, is an emerging alternative cereal crop with high adaptability to marginal environments and considerable nutritional value. This study aimed to evaluate the effects of liquid organic fertilizer (LOF) derived from pearl oyster (Pinctada maxima L.) biofouling waste on the growth and yield of hotong cultivated under tropical conditions in Mamala Village, Maluku. A factorial randomized block design was implemented using four fertilizer concentrations (0, 10, 20, and 30 mL·L⁻¹) and two application timings (25 and 50 days after planting, DAP). Results revealed that LOF application significantly enhanced both vegetative and reproductive traits. The concentration of 30 mL·L⁻¹ applied at 25 DAP produced the largest leaf area (64.17 cm²) and highest total biomass (306.91 g), indicating improved nutrient uptake and photosynthetic capacity during early growth. Yield components—including plant height, panicle number, and grain weight—increased by 40–60% relative to the control treatment. These findings demonstrate that organic fertilizer made from aquaculture biofouling waste functions as an effective nutrient source for cereal crops while contributing to environmentally responsible waste management. The integration of aquaculture residues into agricultural fertilizer production aligns with circular economy principles by promoting nutrient recycling, reducing reliance on synthetic fertilizers, and mitigating marine pollution associated with biofouling disposal. The implications of this research highlight the potential for scalable, low-cost, and eco-friendly fertilization strategies that enhance food security in marginal farming areas, strengthen coastal community resilience, and support sustainable linkages between aquaculture and terrestrial crop production systems.