The lignite with organic matter is applied in granular compound fertilizer production, together with urea, monoammonium phosphate, muriate of potash, single superphosphate and ammonium bicarbonate raw materials, by a pan granulator.

• 褐煤提供有机质,以尿素、酸一铵、化钾、磷酸钙、酸氢铵为无机原料,用盘式造粒机生产粒状有机无机复混肥。