In situ polymerization incorporates superabsorbent polymers (SAP) into the soil to enhance its water retention ability.

In situ polymerization incorporates superabsorbent polymers (SAP) into the soil to enhance its water retention ability.原位聚合（in situ polymerization）工艺将高吸水性聚合物（superabsorbent polymers, SAP）掺入土壤，以提升其保水能力。