One of the pests of rice crops that sometimes make it difficult for farmers is the birds attack during the rice season before the harvest. The type of birds that interfere with the sparrows, or in some areas commonly called the bird emprit (Lonchura leucogastra). The amount can reach thousands of tails and finish the rice grains ready for harvest in a short time. Many farmers fail crops or harvest losses. The losses experienced by farmers due to pest intruder birds attack can reach 15 - 50 percent.
Various ways farmers do to fight the sparrows commonly used farmers to fight sparrows, although sometimes the result is less effective. Controls can be mechanical by means of tools that can be birds or biologically repellant by using "smelly" or "chemical" fungi or plant materials.