... -toxic 4 increase production, SAP agriculture water gel for crop Fragreen Agriculture water absorbing polymer SAP is a cross linked copolymer ... in absorbing water,called SAP.It can repeatedly absorb water for about 4 years. Meanwhile,it can constantly absorbing, releasing water and ... because the final catabolite is ammonia,carbon dioxide,water and potassiumion.Fragreen Agriculture and Forestry SAP can ...