Who wrote what you sow before and after Tomb-Sweeping Day?

It is an agricultural proverb to plant melons and beans before and after Tomb-Sweeping Day. Tomb-Sweeping Day is closely related to agricultural production. As soon as Qingming arrives, the temperature rises and the rainfall increases, which is a good time for spring ploughing and sowing. Therefore, there is an agricultural proverb that "before and after Qingming, point melons and plant beans" and "planting trees is not as good as Qingming".

April 5th is the Tomb-Sweeping Day in the twenty-four solar terms. When the sun moves to the longitude of the Yellow River 15 degrees, Tomb-Sweeping Day Qi begins. At this time, the temperature is getting warmer, plants are sprouting, the weather is sunny and clear, everything is thriving, and Qingming is clean. With the arrival of Tomb-Sweeping Day gas, the atmospheric circulation in East Asia turns from winter to spring. The ridge of westerly belt moves frequently, and the low-level high and low pressure appear alternately. The temperature in the Jianghuai area changes greatly, and unstable precipitation such as thunderstorms gradually increases.