1.
Chanwichit P. The effects of bio-extract and chemical fertilizer on growth and yield of spinach (Spinacia oleracea L.) under a hydroponic growing system. Health Sci Tech Rev [internet]. 2019 Dec. 27 [cited 2026 Sep. 20];12(3):51-4. available from: https://li01.tci-thaijo.org/index.php/journalup/article/view/201202