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All Journal International Humanities and Applied Science Journal Jurnal Agrotek Tropika
Shofiyatun Khasanah
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Agriculture, Biological Sciences & Forestry Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Library & Information Science Social Sciences

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EKSPLORASI DAN UJI POTENSI JAMUR DARI LAHAN PERTANAMAN KENTANG DI KABUPATEN BREBES SEBAGAI REMEDIATOR KADMIUM (Cd) Okti Herliana; Wilis Cahyani; Ahmad Fauzi; Rostaman; Shofiyatun Khasanah
Jurnal Agrotek Tropika Vol. 13 No. 4 (2025): JURNAL AGROTEK TROPIKA VOL 13, NOVEMBER 2025
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i4.8146

Abstract

Kentang (Solanum tuberosum L.) merupakan tanaman hortikultura sumber karbohidrat, bahan baku industri makanan olahan dan memiliki nilai jual tinggi. Petani menggunakan pupuk dan pestisida kimia sintetis sangat intensif dalam proses budidaya sehingga berpotensi meninggalkan cemaran logam berat kadmium di tanah. Kadmium yang terakumulasi ditanah dapat masuk ke jaringan tanaman dan mengganggu kesehatan manusia. Upaya bioremidiasi perlu dilakukan untuk menurunkan tingkat cemaran. Jamur tanah memiliki potensi sebagai agen remidiasi. Tujuan penelitian ini yaitu untuk mengeksplorasi, mengidentifikasi dan menguji kemampuan isolat jamur asal lahan pertanaman kentang di Kabupaten Brebes, serta menguji perkecambahan padi pada media bekas remediasi. Penelitian dilaksanakan di Laboratorium Mikologi Perlindungan Tanaman, Fakultas Pertanian, Universitas Jenderal Soedirman, pada bulan Januari sampai Oktober 2022. Penelitian menggunakan metode deskriptif kuantitatif dilanjutkan kualitatif dengan Rancangan Acak Lengkap (RAL) tiga isolat jamur dengan konsentrasi kadmium (0, 25, dan 50 ppm). Hasil penelitian menunjukkan bahwa terdapat 3 isolat yang ditemukan dan telah diidentifikasi dari genus Trichoderma sp., Aspergillus sp., Fusarium sp., dan Penicillium sp.. Tiga isolat terbaik dari hasil uji toleransi kadmium yaitu isolat dengan kode PP4 (Trichoderma sp.), WS4 (Fusarium sp.), dan WS8 (Aspergillus sp.). Isolat Trichoderma sp. mampu menyisihkan logam berat dalam media konsentrasi Cd 25 ppm mencapai 92% dengan kapasitas biomassa 22,75 mg/g. Biomassa terbaik pada uji kemampuan remediasi yaitu pada isolat WS4 (Fusarium sp.) dengan kadar Cd 25 ppm yaitu 0,69 g. Hasil uji perkecambahan benih padi menunjukkan media yang sudah diaplikasikan jamur tidak mempengaruhi penurunan pertumbuhan perkecambahan benih padi, variable pengamatan bobot segar, tinggi tanaman, jumlah akar, panjang akar, dan daya perkecambahan menunjukkan pertumbuhan yang sama dibanding kontrol.
The Impact of Content Marketing on Purchase Intentions: An Empirical Study of Jamuin.co's Instagram Marketing Strategy Irwanto Prasetyo; Rashaky Arya Vito; Afara Ross Prawidya; Dhea Putri Aulia; Ridho Satya Dwi Putra; Silvia Nurissaifah; Shofiyatun Khasanah; Maya Aulia Wulan; Devy Mawarnie Puspitasari
International Humanities and Applied Science Journal Vol. 9 No. 1 (2026)
Publisher : Universitas Mercu Buana

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Abstract

This study examined the effect of content marketing on consumers’ purchase intentions through Instagram, using Jamuin.co as the research object. The rapid growth of social media usage has encouraged businesses, particularly micro and small enterprises, to adopt content marketing strategies to influence consumer behavior. A causal quantitative approach was employed, and data were collected through an online survey distributed to Instagram users who had previously viewed Jamuin.co’s content. A total of 55 valid responses were analyzed using Partial Least Squares–Structural Equation Modeling (PLS-SEM). Content marketing was measured based on its relevance, accuracy, value, clarity, accessibility, and consistency, while purchase intention was assessed through consumers’ interest, desire, and willingness to purchase. The results demonstrated that content marketing had a positive and significant effect on purchase intentions, with a path coefficient of 0.736 and a coefficient of determination (R²) of 0.542. This indicates that content marketing explained 54.2% of the variance in consumers’ purchase intentions. The findings confirmed that informative, engaging, and visually appealing Instagram content played a crucial role in shaping consumers’ psychological responses and encouraging purchase intentions. This study provided empirical evidence that effective content marketing strategies on social media could significantly enhance purchase intentions for local brands in the modern herbal beverage industry.
Co-Authors Afara Ross Prawidya Ahmad Fauzi Devy Mawarnie Puspitasari Dhea Putri Aulia Irwanto Prasetyo Maya Aulia Wulan Okti Herliana Rashaky Arya Vito Ridho Satya Dwi Putra Rostaman Silvia Nurissaifah Wilis Cahyani