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Zai, Putra
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Other

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Perbandingan Kapasitas Inflitrasi Antara Tanah Terkelola Secara Organik Dan Konvesional Zai, Putra; Zebua, Andi Donal Putra
Jurnal Ilmu Pertanian dan Perikanan Vol. 1 No. 1 (2024): PENARIK - Agustus
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v2i3.126

Abstract

This research aims to explore the effect of soil density on plant root performance in various climatic conditions. Experiments were carried out by comparing plant root growth at high (1.5 g/cm³) and low (1.2 g/cm³) soil density in locations representing tropical, dry and temperate climates. Results showed that high soil density significantly inhibited root growth, with average root length reaching 30 cm at low density and only 15 cm at high density. In addition, the ability to absorb water and nutrient content in roots is also higher in low density soil treatment. These findings confirm that maintaining soil density at optimal levels is important to support healthy root growth and plant productivity. The research also found that climate conditions influenced the relationship between soil density and root performance, with plants in dry climate locations experiencing greater impacts from high soil density. Recommendations for sustainable soil management practices are suggested to improve root health and agricultural productivity.
Pengaruh Pemberian EM4 Dengan Konsentrasi Berbeda Terhadap Lama Pelapukan Dan Kualitas Kompos Dari Limbah Dapur Organik Dalam Komposter Tertutup Skala Rumah Tangga Zai, Putra; Mendrofa , Putra Zato
Jurnal Ilmu Pertanian dan Perikanan Vol. 2 No. 2 (2025): PENARIK - Agustus
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/penarik.v2i2.639

Abstract

This study aims to determine the effect of Effective Microorganisms 4 (EM4) on the decomposition time and quality of compost made from household kitchen waste using a closed composting system. The research was conducted over 28 days at the researcher's home in Ahedano Village, Idanogawo Subdistrict, Nias Regency, using simple tools and materials. Three treatments were applied: no EM4 (control), 1% EM4, and 3% EM4 based on the weight of the organic waste. The kitchen waste consisted of vegetable scraps, fruit peels, and leftover food, which were chopped and composted in closed plastic buckets. Observed parameters included color changes, temperature, pH, texture, and compost odor. The results showed that EM4, especially at the 3% dosage, significantly accelerated decomposition and improved compost quality. The 3% EM4 treatment produced dark brown compost more quickly, reached a higher peak temperature (±44°C), stabilized pH near neutral (±7.5), and resulted in a finer texture with an earthy smell. In contrast, the control treatment decomposed more slowly and produced compost with a coarser texture and a stronger fermentation odor. In conclusion, the use of EM4 in simple home composting effectively accelerates the decomposition process and enhances compost quality. This method is suitable for household-scale organic waste management and supports the production of natural fertilizer in a practical, low-cost way.
Co-Authors Mendrofa , Putra Zato Zebua, Andi Donal Putra