Human urine has been used in some cultures to deter animals from eating crops. The idea is that the strong odor of human urine, which may contain a mix of salts, urea, and other compounds, can help keep animals away from the crops.
However, the effectiveness of using human urine to protect crops is not well documented and can vary greatly depending on the type of animal and the circumstances. In some cases, animals may become habituated to the scent of human urine and stop being deterred by it over time.
Additionally, using human urine as a deterrent may have negative impacts on the environment, as the nitrogen and other nutrients in urine can contribute to soil and water pollution. In some cases, it may also be illegal to use human urine in this manner, as it may violate laws regarding waste disposal and the introduction of pollutants into the environment.
Before using human urine to protect crops, it is important to research and understand the potential impacts and to consider alternative approaches, such as using physical barriers, scare tactics, or natural deterrents, like planting certain types of plants that animals dislike.