【摘要】 从古松的纵向和横向研究了沈阳福陵不同深度古松土壤酶活性变化。结果表明:枯死古松根区土壤的过氧化氢酶、脲酶、转化酶、磷酸酶活性明显低于对照古松,说明枯死古松根区土壤的生物转化能力明显降低,这与土壤氮素和磷素的供应能力下降,以及土壤保肥能力和结构性的恶化是一致的。更多还原

【Abstract】 This article studied aged- pine’s soil enzymatic activity property of root district from lateral and longitudinal direction in Shenyang east imperial tomb. The results showed that the activity of catalase, invertase, phosphatase under root district soil of aged- pine below contrast tree, which means the biological activity of aged- pine’s soil below contrast tree. The activity of urease under root district soil of aged- pine higher than contrast tree, so urea nitrogen decompose faster, this can lead to soil nitrogen loss.更多还原