In winter, when a vast blanket of snow falls, the land turns into a silvery white world. The previously lush green wheat fields are covered with a white “snow quilt.” It looks thick and heavy, but it is actually light and soft, protecting the wheat seedlings as they sleep soundly and weather the winter. If we were to pour a bucket of urine or water onto the snow-covered wheat field, the seedlings would not withstand it, because they might not freeze to death, but they could suffocate.
The snow accumulated in the wheat fields provides insulation and frost protection for the wheat. If water or urine is poured on it, this “snow quilt” would melt, exposing the wheat with nothing to cover it. When exposed to cold air, the wheat would freeze; at the same time, the melting snow absorbs heat from the surroundings, making the surrounding air even colder, which the wheat cannot withstand.
Therefore, one should never pour water or urine on snow-covered wheat fields.