It is a kind of for save crop include harvest the expelling parasite composite material of ensuing crop, antifungal composite material, restraining epiphyte composite material, bactericidal composite material, suppression bacterium composite material and/or it is rancid delay composite material, which includes the essential oil of non-woven fabric and the microencapsulation being embedded in non-woven fabric Wherein the water content of material is less than 10% And wherein material plays anthelmintic action, fungicidal action, mycostasis, bactericidal effect, suppression bacterial action and/or rancid retarding action to crop.
