Solar terms include summer and March.

Long summer, small full, boundless, summer solstice, small Shu, big Shu. Long summer: The first solar term in summer means the official start of summer. Long summer marks the gradual warming of the future temperature, hot summer and more thunderstorms, which is an important solar term in the peak season of crop growth.

Xiaoman: The second solar term in summer means entering the rainy season with a lot of precipitation. Xiaoman reflects the climatic characteristics of heavy rainfall.

Ear seed: The third solar term in summer means that the summer harvest crops enter the late growth stage, the winter wheat blooms and fills, the rape is close to maturity, and the year of the summer harvest crops is basically a foregone conclusion.