PENGARUH BIOCHAR COATED UREA TERHADAP PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium cepa var. aggregatum L.) DI TANAH BERPASIR
Nurlaili Sudarwati, Slamet Supriyadi, Fahmi Arief Rahman et al. · 2026 · JTSL (Jurnal Tanah dan Sumberdaya Lahan)
This study was conducted to evaluate the effect of chemical fertilizer coated with biochar on the growth of shallots (Allium ascalonicum L.) in sandy soil. The research was carried out at the Greenhouse of the Agroecotechnology Department, Faculty of Agriculture, Trunojoyo University of Madura, located in Telang Village, Kamal District, Bangkalan Regency, Madura, at an altitude of approximately 5 meters above sea level, from August to December 2023. A non-factorial Completely Randomized Design (CRD) was used, consisting of six treatments: P0 (control), P1 (recommended fertilizer), P2 (80% urea
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