Application Effect of Slow and Controlled Release Fertilizer on Rice

With the high-yield rice cultivar Yangguang 200 as material,the effects of slow and controlled release fertilizer,fomulated fertilizer and common fertilizer on rice yield,yield components and economical benefit were studied by plot experiment combined with field test.The results showed that the application of slow and controlled fertilizer could increase the rice yield compared with the fomulated fertilizer and common fertilizer.The effective spike rate of tiller of the treatment with slow and controlled fertilizer was 1.5 and 4.6 percentage points respectively more than that of the treatments with fomulated fertilizer and common fertilizer respectively.The price of the slow and controlled fertilizer is higher,so it has not showed saving cost.