采用田间试验方法,研究了“金大地”控释肥在水稻上的应用效果。结果表明:水稻施“金大地”控释肥增产13.4%,N利用率提高12.23%,经济效益增加1 113.90元/hm2。 The field experiment method was used to study the application effect of “Golden Earth” controlled release fertilizer on rice. The results showed that rice yield increased by 13.4%, N utilization rate increased by 12.23%, and economic benefit increased by 1 113.90 yuan / hm2.