Urea-formaldehyde, isobutyl urea, butene urea, oxaliplatin, thiourea, etc. According to the relevant data of 10 1 slow release fertilizer, the components of1kloc-0/slow release fertilizer include urea-formaldehyde, isobutylurea, butenuria, oxaliplatin and thiourea. Slow release fertilizer is also called slow release fertilizer or controlled release fertilizer. The release rate of nutrient-containing compounds in its fertilizer in soil is slow.