"In January, little cold meets big cold, and in February, spring begins with rain."; The spring equinox is in March, and the valley rain is in April; In May, the beginning of summer and Xiaoman, in June, mangrove species, even the summer solstice; In July, there are big and small heatstrokes, in autumn, and in August; In September, the White Dew meets the autumnal equinox, and the cold dew and frost fall in October; The beginning of winter, light snow in November, heavy snow in the winter solstice to welcome the new year. We should pay close attention to the season, be busy with production, and plant and harvest in time to ensure a good harvest. "