【摘要】 目前安徽省主要烟区土壤中速效磷含量在 2 .7～ 6 9.6mg/kg之间 ,平均为 17.7mg/kg ;全省烤烟叶含磷量在 1.3～ 9.9g/kg之间 ,平均为 4.9g/kg。试验结果表明 :我省主要烟区中等含磷量土壤上施P2 O5 75kg/hm2 即可更多还原

【Abstract】 The contain of phosphonium in soil was among 2.7-69.6mg/kg, averagely 17.78 mg/kg, in tobacco growth area in Anhui. The contain of phosphonium in tobacco leaf was among 1.3-9.9g/kg, averagely 4.9g/kg. The experimental result indicated the contain of P 2O 5 in soil was suitable for tobacco growth in Anhui provmice.更多还原