Why scatter sliced lemons in your yard?

Could you please elaborate on the purpose of scattering sliced lemons in one's yard? Is this a traditional practice with cultural significance, or does it serve a practical function, such as deterring pests or enhancing the fragrance of the outdoor space? Additionally, are there any specific benefits to using sliced lemons over other citrus fruits or natural deterrents? Understanding the motivations and potential benefits behind this practice would be greatly appreciated.