湿土套袋法采用外罩保温或降温材料（如黑塑料袋及反光膜袋等）可延长有效嫁接适期2个月左右；

An insulation or cooling materials used in wet soil bagging method (such as the black plastic bag and reflective film bag etc. ) can be extended by grafting appropriate period of 2 months;

youdao

湿土套袋法采用外罩保温或降温材料（如黑塑料袋及反光膜袋等）可延长有效嫁接适期2个月左右；

An insulation or cooling materials used in wet soil bagging method (such as the black plastic bag and reflective film bag etc. ) can be extended by grafting appropriate period of 2 months;

youdao