[1]
Razali and Siregar, D.S. 2025. Optimum Doses of N, P, And K Fertilizers For Samosir Shallot Varieties in the Plains of the Lake Toba Region. Jurnal Online Pertanian Tropik. 12, 1 (May 2025), 9–15. DOI:https://doi.org/10.32734/jpt.v12i1.16245.