Compositions and particles containing cellulosic fibers and stabilized-and/or activated-urease inhibitors, as well as methods of making and using the same

A composition, comprising

• at least one cellulosic fiber;
• at least one urease inhibitor capable of degradation in the presence of water;
• and a stabilizer capable of stabilizing the at least one urease inhibitor.

The method according to 87, wherein said contacting is performed by simultaneously or consecutively spraying the at least one urease inhibitor and the at least stabilizer onto at least one surface of a web of cellulosic fibers.