Effects of Topdressing on Yield and Economic Benefits of Spinach

In this paper, spinach cv.‘Dahuangye’ was used as material to study topdressing times on plant vigor, yield and economic benefits on spinach. The results showed that topdressing of compound fertilizer could enhance growth of spinach plant, increase yield remarkably and improve economic benefits. When making topdressing of 150 kg·hm^-2 compound fertilizer for twice, it could reached optimum effects.