Significance of winter solstice rape and barley

This is an agricultural proverb. Winter solstice rape and barley are used to describe the relationship between time and crop planting in agricultural production. This agricultural proverb means to plant rape during the winter solstice and barley during the New Year in China, because planting rape during the winter solstice can get a better harvest, while planting barley during the New Year in China can lay the foundation for the next year's harvest.