Please identify the number of agricultural proverbs and famous aphorisms about growing melons and beans before and after Tomb-Sweeping Day.

1, "Continuous snow in Qingming Festival and continuous frost in Grain Rain" is a phenology, which means that when the Grain Rain solar term is in Tomb-Sweeping Day, the climate will start to pick up, and generally there will be no frost and snow weather. But the weather is still changeable and unstable, and there may be snowfall and frost.

2. "Before it rains, there will be frequent spring rains", "It rained intermittently for three months in Tomb-Sweeping Day" and so on. If it rains on or before that day in Tomb-Sweeping Day, it will probably rain frequently in the future.

3. The agricultural proverb "Cold, Good Year" means that if the temperature in Tomb-Sweeping Day is low, it indicates a good agricultural year.

4. The agricultural proverb "Before it rains on Qingming Day, the lowlands are easy to cultivate", "When it rains on Qingming Day, a sorghum hits a liter" and so on, it is said that if it rains on or before the same day in Tomb-Sweeping Day, it will be beneficial to cultivation and the crops will be harvested that year.

There are many other clear agricultural proverbs, such as:

Plant melons when you worship your ancestors.

When Qingming comes, the wheat seedlings are full and full.

Nine times out of ten, after Tomb-Sweeping Day and before Grain Rain, we will be safe.

Sorghum and cotton were planted after Tomb-Sweeping Day and before Grain Rain.

After the vernal equinox, in front of Tomb-Sweeping Day, the apricot blossoms in the mountains are endless.

Qingming flowers, cart pull; Grain Rain flowers, a lot of them; Xiaomanhua, don't go home

Planting melons in Qingming, loading and pulling.

Qingming is busy planting wheat, and Grain Rain is busy farming.

There is more and more rain in Qingming, and there is wind every day.

After a full meal in Qingming, the thin seedlings will get better.

Qingming can't shit, and the longer it takes, the shorter it will be.