新垦红壤淹水种稻后,水稻常会发黄,生育不良。根据我们七十年代在广东地区新垦红壤性稻田的调查,凡施用氮、磷、钾肥的数量充足并配合适宜的水稻生育较为正常。为此,本文试图从养分平衡来探讨氮、磷、钾对淹水 After the new Kenyan red soil flooded paddy, rice often yellow, poor fertility. According to our survey of reclaimed red paddy fields in Guangdong Province in the seventies, it is quite normal to apply sufficient amounts of nitrogen, phosphorus and potassium fertilizer and to make suitable paddy fertility. To this end, this paper attempts to explore the balance of nutrients from nitrogen, phosphorus and potassium on flooding