The present invention relates to a remotely controlled fertilizer sprayer and to a method for controlling the sprayer, and more particularly, to a remotely controlled fertilizer sprayer and to a method for controlling the sprayer which involve using a wireless remote controller to precisely adjust and control a sprayed amount and a spraying speed of the sprayer, thereby optimally spraying fertilizer or seeds. To this end, provided are a remotely controlled fertilizer sprayer and a method for controlling the sprayer, wherein the sprayer includes: a main receiving controller fixed on a frame of a fertilizer sprayer installed on a carrier such as a vehicle or tractor and a wireless transmitting remote controller operated by a driver or a third party. Thus, the sprayed amount and spraying speed of the sprayer are remotely and precisely adjusted and controlled, thereby enabling the optimal and precise spraying of fertilizer or seeds in a certain area.
