Bài viết Ảnh hưởng của liều lượng đạm và kali đến sinh trưởng và phẩm chất của cây sen thơm (Plectranthus hadiensis var. Tomentosus (Benth. ex E. Mey.) Codd) trồng chậu tại thành phố Hồ Chí Minh trình bày xác định liều lượng phân đạm, kali thích hợp để cây sen thơm sinh trưởng tốt, đạt phẩm chất cao và mang lại hiệu quả kinh tế. | Trường Đại học Nông Lâm TP. Hồ Chí Minh 1 Effects of nitrogen and potassium levels on growth and quality of pot-planted vicks cultivars Plectranthus hadiensis var. tomentosu Benth. ex E. Mey. Codd in Ho Chi Minh City Hiep T. Ly Hanh M. T. Le Tien N. N. Ho Tien N. Le amp Duong T. T. Pham Faculty of Agronomy Nong Lam University Ho Chi Minh City Vietnam ARTICLE INFO ABSTRACT Research Paper The study was conducted to determine the suitable dosages of nitrogen and potassium fertilizer for growth quality and economic efficiency Received January 15 2022 of Plectranthus hadiensis pot planted. The experiment was carried Revised July 08 2022 out from April to June 2021 in the experiment field of faculty of Accepted August 16 2022 Agronomy Nong Lam University Ho Chi Minh City. A two-factorial experiment was carried out in a completely randomized design CRD Keywords in three replications. The treatments consisted of 3 doses of nitrogen fertilizer control and g N pot and 4 doses of Nitrogen potassium fertilizer control and g K2 O pot in combinations. The results indicated that plants supplied with Plectranthus hadiensis g N pot and g K2 O pot gave the best results in terms of plant Pot-planted height cm stem diameter mm number of primary Potassium branches branches plant canopy diameter cm number Vicks plant of leaves leaves plant leaf length and width and mm duration on vase life days commercial pot ratio Corresponding author . The revenue was 29 933 thousand VND per 1000 pots with the highest profit margin of times at 60 days after planting. Pham Thi Thuy Duong Email pttduong@ Cited as Ly H. T. Le H. M. T. Ho T. N. N. Le T. N. amp Pham D. T. T. 2022 . Effects of nitrogen and potassium levels on growth and quality of pot-planted vicks cultivars Plectran- thus hadiensis var. tomentosu Benth. ex E. Mey. Codd in Ho Chi Minh City. The Journal of Agriculture and .