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All Journal Jurnal Kedokteran Brawijaya AGRIKA CEMARA Journal of Natural Sciences and Mathematics Research Jurnal Ekonika : Jurnal Ekonomi Universitas Kadiri Jurnal Agrotek UMMat Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian AGROMIX BUANA SAINS Jurnal Ilmiah Hijau Cendekia Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Cendekia : Jurnal Pengabdian Masyarakat AGROTEK: Jurnal Ilmiah Ilmu Pertanian Jurnal Agriovet Journal of Food Technology and Agroindustry JURNAL ILMIAH AGRINECA Jurnal Abdiraja Fruitset Sains : Jurnal Pertanian Agroteknologi East Asian Journal of Multidisciplinary Research (EAJMR) Jurnal Manajemen Agribisnis dan Agroindustri Formosa Journal of Multidisciplinary Research (FJMR) Formosa Journal of Applied Sciences (FJAS) Asian Journal of Community Services (AJCS) JAPI: Jurnal Akses Pengabdian Indonesia Journal Research of Social Science, Economics, and Management Journal of Soilscape and Agriculture International Journal of Integrative Research (IJIR) International Journal of Advanced Technology and Social Sciences (IJATSS) JTePP
Nunuk Helilusiatiningsih
Departemen Agroteknologi , Fakultas Pertanian, Universitas Islam Kadiri
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Analisa Unsur Hara dan Uji Swot Pupuk Organik Dari Limbah Kepala Lele: Analisa Unsur Hara dan Uji Swot Pupuk Organik Dari Limbah Kepala Lele Endro Puji Astoko; Nunuk Helilusiatiningsih
JURNAL ILMIAH AGRINECA Vol 26 No 2 (2026): JURNAL ILMIAH AGRINECA
Publisher : JURNAL ILMIAH AGRINECA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v26i2.6617

Abstract

The catfish farming industry uses a significant amount of water for its production processes, resulting in significant waste production. Catfish are a type of freshwater fish highly sought after by Indonesians. Catfish waste often causes problems due to its foul odor due to contamination with the environment, which is rich in putrefying microbes. The research location was the Laboratory in collaboration with the P3GI Laboratory in Kediri Regency. The research method used AAS ang SWOT analysis. The test samples used liquid organic fertilizer and solid fertilizer produced from the process of making fertilizer from catfish head and offal waste. The results of the study are as follows: the main macronutrients of the POC from catfish head waste are Nitrogen (N) at an average of 1.37%, Phosphorus (P) at 2.40%. Potassium (K) content at 3.90%, and Organic Carbon at 0.52%. Solid catfish head waste fertilizer contains 4.5% nitrogen (N), 6.80% phosphorus (PO4), and 4.70% potassium (K). Organic carbon (C) is 31%. Therefore, the nutrient analysis results for the organic fertilizer production process from catfish head waste show that the solid organic catfish waste fertilizer has the highest nutrient content, which is very good for plants. SWOT analysis is very important to carry out to make it easier to produce safe, reliable and good quality fertilizer.
Optimasi Nitrogen dan Kerapatan Tanaman Terhadap Produktivitas Kangkung Darat (Ipomoea reptans Poir): Optimasi Nitrogen dan Kerapatan Tanaman Terhadap Produktivitas Kangkung Darat (Ipomoea reptans Poir) Setyo Utomo, Pamuji; Mustopa, Tarwa; Helilusiatiningsih, Nunuk
JURNAL ILMIAH AGRINECA Vol 26 No 2 (2026): JURNAL ILMIAH AGRINECA
Publisher : Fakultas Pertanian UTP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v26i2.6793

Abstract

Land spinach (Ipomoea reptans Poir.) is an economically important leafy vegetable widely consumed in Indonesia due to its high nutritional value, including vitamins, minerals, dietary fiber, and bioactive compounds beneficial to human health. The increasing demand for fresh vegetables has encouraged efforts to improve land spinach productivity. However, productivity at the farm level remains suboptimal, partly due to inappropriate nitrogen fertilization and plant density management. Nitrogen is a key nutrient regulating vegetative growth, while plant density determines the level of competition for light, water, nutrients, and growing space. This study aimed to evaluate the effects of nitrogen application rates, plant density, and their interaction on the growth and productivity of land spinach. The hypothesis proposed that increasing nitrogen rates combined with appropriate plant density would enhance plant growth and productivity, and that a significant interaction exists between both factors. The experiment was conducted in Tanon Village, Papar District, Kediri Regency, Indonesia, from October to November 2025 using a factorial Randomized Complete Block Design (RCBD) with three replications. The first factor consisted of three urea application rates (300, 400, and 500 kg ha?¹), while the second factor consisted of three plant densities (4, 5, and 6 seeds per planting hole). Data were analyzed using analysis of variance (ANOVA), followed by the Least Significant Difference (LSD) test at the 5% significance level. The results showed that nitrogen application significantly affected plant height, leaf number, leaf area, fresh weight per plant, and fresh weight per plot. Plant density also significantly influenced most growth and yield variables. A significant interaction between nitrogen rate and plant density was observed for leaf area, fresh weight per plant, and fresh weight per plot. The combination of 500 kg urea ha?¹ and 4 seeds per planting hole produced the highest fresh weight per plant (67.68 g plant?¹), whereas the combination of 500 kg urea ha?¹ and 6 seeds per planting hole resulted in the highest productivity (9.98 kg plot?¹ or approximately 49.9 t ha?¹). It can be concluded that increasing nitrogen application up to 500 kg ha?¹ combined with appropriate plant density management effectively enhances the growth and productivity of land spinach. For maximizing yield per unit area, the combination of 500 kg urea ha?¹ and 6 seeds per planting hole is recommended.
Co-Authors A. Harijono Adam Indra Nirwana Adji, Galih Dina Oktavia Edy Soenyoto Endro Puji Astoko Endro Puji Astoko Endro Puji Astoko Eva Pebriana Eva Pebriana Fahmi Hidayat FITRIYAH, NUR Fristama Maulana H., Nunuk Haliza, Nadiyah Nur Heru Setiyadi Hidayat Sujuti Idris, Ahmad Imam Habibi Indis, Nadhifah Al Irawati, Titik Lisnanti, Ertika Fitri Mardiana, Yushi Micko Widiyatmoyo Muhamad Abdul Aziz Al Wafa Muhamad Alwi Shahara Muhammad Alwi Syahara, Muhammad Alwi Nadhiva Al Indis Nastiti Winahyu Naufa Anwar, Diva Navita Maharani Pamuji Setyo Utama Pamuji SU Purbowo, Muhammad Lukman Rahmatika, Widyana RIBUT SANTOSA Ribut Santosa Rizky Arief Shobirin Rosanti, Aulia Dewi Sani, Muhammad Yulius Saptaria, Lina Setyo Utomo, Pamuji SIMON BAMBANG WIDJANARKO Sumarji Supriyono Supriyono Tarwa Mustopa Titik Irawati Titik Irawati Titik Irawati Titik Irawati Vifi Nurul Choirina