The results showed that the index of organic matter, total nitrogen, total phosphorus, available Nitrogen, Phosphorus and Potassium in 16-year-old organic tea garden were higher than those of 10-year-old and 4-year-old.

• 结果表明，16年生有机茶园土壤在有机质、全氮、全磷、速效氮、速效钾等各项指标上均高于10年生和4年生有机茶园土壤。