Responses of wheat to felted slow-release fertilizer

Pot experiment was conducted to study the effects of felted slow-release fertilizer on the growth, yield and (nutrient) status of wheat and available nutrients in soil using no fertilizer (CK1) and equal rate of NPK fertilizers (CK2) as controls. The results showed that felted slow-release fertilizer increased yield significantly comparing to CK2. Applying slow-release fertilizer felted by clay and by plastic increased yield by 14.85% and 27.48%, respectively. The chlorophyll content in leaf increased due to the application of felted slow-release fertilizer. Compared to CK2, applying felted slow release fertilizer could increase the dry weights of single plant at different stages as well. For slow-release fertilizer felted by clay and by plastic increased dry weight by 9.24%45.50%,7.53%45.64%, respectively.The available N and P in the soil with the application of felted slow-release fertilizers were lower in earlier stage and higher in midterm and late stage than that of the control.