Wachid A. Study of Nitrogen Fertilizer Concentration and Types of Growth Regulators in Vegetative Growth of Orchid Plants (Dendrobium spp): Kajian Konsentrasi Pupuk Nitrogen Dan Macam Zat Pengatur Tumbuh Pada Pertumbuihan Vegetatif Tanaman Anggrek (Dendrobium spp). nabatia [Internet]. 2010 Jun. 28 [cited 2025 Apr. 18];1(1):32-40. Available from: https://nabatia.umsida.ac.id/index.php/nabatia/article/view/1579