Iswanto M, Abror M. The Effect Of Planting Distance and Dosage Of Fertilizing Cow Manage On Production Products Red Rosella (Hibiscus sabdariffa L.): Pengaruh Jarak Tanam dan Dosis Pemberian Pupuk Kandang Sapi Terhadap Hasil Produksi Rosela Merah (Hibiscus sabdariffa L.). PELS [Internet]. 2022 Jun. 30 [cited 2025 Jun. 27];2(2). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1267