信丰县龙舌公社庄高大队逆水生产队广大贫下中农,在“农业学大寨”的群众运动中,认真落实农业“八字宪法”,大搞科学种田,在生产实践中,摸索了一条科学施用碳酸氢铵的方法,对提高肥效,增加产量,取得了显著成效。一、新的发现 1970年早稻追肥时,因碳酸氢铵不足,为了做到均匀撒施,就将碳酸氢铵拌火土( Xinfeng County Tongue commune Zhuanggou brigade anti-water production team the vast majority of poor and middle peasants, in the “agricultural learning Dazhai” mass movement, earnestly implement the agricultural “Character Constitution”, engage in scientific farming, in production practice, to explore a scientific application Ammonium bicarbonate method, to improve fertilizer efficiency, increase yield, and achieved remarkable results. First, the new discovery 1970 morning topdressing, due to lack of ammonium bicarbonate, in order to achieve uniform spreading, the bicarbonate will be mixed with fire soil (