Before and after what solar term, plant melons and beans.

The time for planting melons and beans is around Qingming Festival.

1, April 5th is the Tomb-Sweeping Day in the twenty-four solar terms, and Tomb-Sweeping Day qi begins when the sun runs to 15 degrees. At this time, the temperature is getting warmer, plants are sprouting, the weather is sunny and clear, everything is thriving, and Qingming is clean.

2. With the arrival of Tomb-Sweeping Day, the atmospheric circulation in East Asia has changed 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.

3. During the period of Tomb-Sweeping Day, the average daily temperature in most parts of China has risen to above 12 degrees. From the north and south of the Yangtze River to the inside and outside of the Great Wall, there is a busy scene of spring ploughing everywhere. During the Qingming Festival, the wheat grows for three days, and the wheat in the south of Huanghuai is about to start heading, rape is in full bloom, and the wheat in the northeast and northwest regions has also entered the jointing stage. In the later stage, we should pay close attention to fertilizer and water management and pest control. Dry farming in the north, early and middle rice in the south of the Yangtze River is in a suitable season for mass sowing, so we should seize the opportunity, seize the sunny day and sow early.