为了明确中稻—再生稻施用催芽肥最佳时期,以发挥最大的效益。选中低产田攻关中心示范村——水北乡杨梅岭的“沙坑垄”,地力一般,肥力均匀的单晚田进行,中稻“汕优63”,于5月8日插秧,基肥每亩碳铵40公斤,过钙30公斤,采取“半旱式”畦栽法。插后4天用丁草胺拌细沙撒施,5月24日中耕、追肥,每亩 In order to clarify the best period of germination fertilizer application in middle rice - ratoon rice, in order to maximize the benefits. Selected low-yield field research center demonstration village - Water North Bay Yangmeiling “bunker ridge”, general fertility, fertility single night field, middle rice “Shanyou 63”, on May 8 transplanting, basal fertilizer per acre of carbon Ammonium 40 kg, 30 kg of calcium, to take “semi-dry” Nuo planting method. 4 days after insertion with butachlor mixed sand, May 24 cultivation, top dressing, per acre