The artcile covers microbiologic planting analysis to bacteriam groups on DDPMF covering field plants it also introduces the chemical festing methods for products of degradation.

• 包括生物接种，田间复膜土壤菌群分析等各种生物检测方法。并对复膜土壤中降解产物的化学检测方法也简要做了介绍。