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EFEKTIVITAS BIOCHAR TERHADAP KETERSEDIAAN UNSUR HARA MIKRO PADA ULTISOL Oksana, Oksana; Taslapratama, Irwan; Novia, Muhammad Ali; Mahmud, Yusmar; Septirosya, Tiara; Shofiah, Raudhatu
Jurnal Agroteknologi Vol 14, No 2 (2024): Februari 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v14i2.26686

Abstract

Biochar with a high organic matter composition is considered to be an ameliorant for Ultisol. Providing biochar as an ameliorant needs to be studied because it will cause an increase in micronutrients, most of which are excessive in Ultisol. This study aims to determine the effect of several levels of biochar dosage from corn cob as a base material on changes in micronutrients in Ultisol soil. This research was conducted in a greenhouse and in the Laboratory of Agrostology, Feed Industry and Soil Science, State Islamic University of Sultan Syarif Kasim Riau. Experiments with several doses of biochar as treatment, e.g., 0%, 5%, 10%, and 15% of the composition of the growing media were arranged in a Completely Randomized Design (CRD) with six replications. The parameters observed were the micronutrient content of Boron (B), Copper (Cu), Zinc (Zn), Iron (Fe) and Aluminum (Al). The experimental results showed that giving corn cob biochar with doses of 0.5%, 10% and 15% did not significantly change the levels of B, Cu and Zn Ultisol. Biochar at a dose of 10% significantly increased the soil Zn content and decreased Al-dd Ultisol solubility. 
Enhancing the Competence of Qurban Committees through Technical Training on Halal and Thoyyib Slaughtering in Pekanbaru, Riau Purnamasari, Endah; Rahmadani, Elfi; Shofiah, Raudhatu; Elfawati, Elfawati
Smart Society Vol. 5 No. 2 (2025): Smart Society
Publisher : FOUNDAE (Foundation of Advanced Education)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/smartsociety.v5i2.898

Abstract

Qurban is an annual Islamic ritual with profound spiritual and social significance; its proper implementation is essential to ensure that meat distributed to the public complies with halal and thoyyib principles. This study aimed to evaluate the effectiveness of an education- and practice-based training programme in improving participants’ knowledge and technical skills across key domains of qurban implementation (animal eligibility, slaughterer qualifications, facilities and hygiene, animal welfare, documentation, distribution ethics, and community engagement). The programme combined counselling, hands-on training, live slaughter demonstrations, and pre- and post-test evaluations with 70 participants predominantly younger adults (19–22 years old), mostly senior high school educated, and largely employed in the private sector. Overall knowledge improved from a mean pre-test score of 3.90 to 4.11 on the post-test (t = 3.35, p < 0.01), with the largest gains in animal welfare and slaughter-facility standards (e.g., infrastructure: Δ = 0.59; t = 4.32, p < 0.01). Several domains (e.g., hygiene, documentation, distribution, and ethical and community aspects) showed smaller, occasionally non-significant improvements, indicating areas for curricular strengthening through more structured modules, demonstration-rich sessions, and role-play simulations. The findings confirm that an education- and practice-led approach effectively enhances both knowledge and operational competence among qurban committee members. Sustainability is expected to be reinforced through collaboration with religious bodies, local authorities, and halal stakeholders to uplift community-level halal and thoyyib slaughter practices.