Twenty-four Solar Terms/Grain in Ear

Grain in Ear is the ninth solar term of the 24 solar terms, the third solar term in summer, and the beginning of the noon month of the dry branch calendar. The sun longitude reaches 75°, and it crosses on June 5-7 of the Gregorian calendar every year. "Grain in Ear" means that "grain crops with awn can be planted, and it will be invalid after this." In this season, the temperature rises significantly, the rainfall is abundant, and the air humidity is high, which is suitable for the planting of cereals such as late rice. Farming to "grain in ear" this solar term for the boundary, after this planting survival rate is getting lower and lower. It is the reflection of ancient farming culture to the season.

Grain in Ear is of great significance in farming. The lunar book said: "Bucket finger C for grain in ear, at this time can be planted with awn valley, this is ineffective, so the name grain in ear also." This means that grain in Ear is suitable for planting grain crops with awns; It is also the cut-off point for planting crops, after which it becomes ineffective. The proverb "Grain in Ear does not plant, and it is useless to plant" speaks of this truth. Grain in Ear is a busy farming solar term, the folk also called it "busy kind". At this time of year, rice is planted in the south and wheat is harvested in the north.