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All Journal Jurnal Ecosolum Journal of Tropical Soils Forum Geografi Jurnal Agrotek Tropika Jurnal Agrisistem: Seri Sosek dan Penyuluhan
Muhammad Nathan
Department Of Soil Science, Faculty Of Agriculture, Hasanuddin University, South Sulawesi, Indonesia
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Social Sciences

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Efektivitas Pupuk Organik Cair Bawang Merah dan Limbah Bawang Merah Terhadap Perubahan Sifat Kimia Tanah dan Pertumbuhan Bawang Merah: Effectiveness of Red Onion Liquid Organic Fertilizer and Red Onion Waste on Changes in Soil Chemical Properties and Red Onion Growth Nathan, Muhammad; Jayadi, Muh.; Thamrin, Hidayana
Jurnal Ecosolum Vol. 12 No. 1 (2023): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v12i1.26545

Abstract

Soil has an important role "in agriculture for the growth and production" of plants. The combination of organic and inorganic fertilizers can increase crop productivity and improve soil quality on land so that it can be used sustainably. One of the potential plants that can be used as a basic ingredient of organic fertilizer is red onion. This study aims to determine the effect of red onion liquid organic fertilizer on changes in soil chemical properties and plant growth. This research was conducted using a factorial randomized block design (RBD) with 2 factors. The first factor is the dose of organic fertilizer and the second factor is the dose of inorganic fertilizer. Parameters observed were pH, C-Organic, N, P, K, tuber weight, plant fresh weight, number of leaves and plant height. The results showed that red onion organic fertilizer can lower soil pH and increase soil C-Organic, N, P and K. The combination of the D1KB2 treatment (50% basic fertilizer + 15,000 ppm red onion waste) gave the best results in increasing soil organic C, Phosphate and Potassium. Conclusion. The interaction of inorganic fertilizers and red onion liquid organic fertilizer had a significant effect on tuber weight and plant wet weight, and had no significant effect on plant height and number of leaves.
Indeks Kesuburan Tanah Perkebunan Kopi Arabika (Coffea Arabica L.) di Agrowisata Pango-Pango Tana Toraja: Soil Fertility Index of Arabica Coffee Plantations (Coffea Arabica L.) in Pango-Pango Agrotourism, Tana Toraja Tiara, Mutiara Cantika Garcia; Nathan, Muhammad; Jayadi, Muhammad
Jurnal Ecosolum Vol. 14 No. 1 (2025): JUNI
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v14i1.44315

Abstract

Arabica coffee (Coffea arabica L.) plantations in Pango-Pango Agrotourism, Tana Toraja Regency, were surveyed for soil fertility index. Coffee plant production is greatly influenced by soil fertility, especially in the highlands, which are ideal habitats for Arabica coffee. This study aims to determine the soil fertility index of Arabica coffee plantations planted at different land heights in the community garden location of Pango-Pango Village, Tana-Toraja Regency at various elevations. The study was conducted using a survey method and laboratory analysis of nine soil samples from two elevation groups: 1500–1600 masl and 1600–1868 masl. The soil chemical parameters analyzed were pH, cation exchange capacity (CEC), organic C, total N, available P, K-dd, Ca-dd, Mg-dd, and Al-dd saturation. The results showed that the soil fertility index (SFI) varied from a rather low class to a rather high class, with soil pH generally acidic, and Al-dd relatively high. Although the temperature and micro humidity support the growth and production of coffee plants, due to the old age of the plants (around 28 years), low fertilizer input, and limited cultivation techniques, the productivity of the coffee plants is still relatively low. The soil fertility index at an altitude of 1500–1600 m above sea level is classified as rather low to moderate, with several soil chemical parameters that are not yet optimal. Meanwhile, at an elevation of 1600–1868 m above sea level, the soil fertility index increases to the moderate to rather high class even though the soil pH is still acidic and the Al-dd content is relatively high.
Co-Authors Adrian Paskah Putra Yunus Andi Ramlan Andi Ramlan, Andi Burhanuddin Rasyid Hermaya Rukka Jayadi, Muh. Jayadi, Muhammad Kaharuddin Kaharuddin Laksono Trisnantoro Lias, Syamsul Arifin Lopulisa, Christianto miranti, andi isra Risma Neswati, Risma Rismaneswati Sumbangan Baja, Sumbangan Syaifuddin Syaifuddin Tegar Ilham Thamrin, Hidayana Tiara, Mutiara Cantika Garcia