Subedi, Arjun, and Prativa Sapkota. “Efficacy of Biochar Application With Different Nutrient Sources on Okra Production in Puranchour, Kaski, Nepal”. Nepalese Horticulture, vol. 19, no. 1, Dec. 2025, pp. 68-74, doi:10.3126/nh.v19i1.86763.