Find some agricultural proverbs and talk about their phenology.

1. Farming proverb: In a fish-scale day, the wind will shake even if there is no rain.

Phenological knowledge: In the blue sky, you can sometimes see neat and compact white clouds, like fish scales, which are called cirrocumulus in meteorology. Cirrocumulus usually appears at an altitude of more than 5, meters, and can only last for a few minutes to more than an hour after its formation.

The appearance of this cloud indicates that there is a trough of low pressure approaching over the area. The weather that affects the ground generally depends on the atmospheric movement at high altitude. Therefore, the emergence of cirrocumulus is the time when sunny weather changes to rainy weather. "It's a fish-scale day, and the wind will jump even if there is no rain", which is a sign of wind and rain. Generally, there will be wind and rain in a day or two. ?

2. Farmer's proverb: It doesn't matter if it rains when sheep are herded in the sky.

phenological knowledge: "herding sheep in the sky" refers to the white broken and amorphous scattered clouds produced by the wind during the fading process of cumulus clouds, which run like driven sheep. This phenomenon mostly occurs in winter and spring. Because the cold air in the north moves south and is close to the local area, and the moving speed is fast and the wind is strong, the rainfall is swept away, and the rainfall is not much. Then the local area is controlled by cold and high pressure, and the weather turns fine. ?

3. Farming proverb: The weather will get better if spiders build nets to mend them.

phenological knowledge: spiders live by catching insects with webs. In windy and rainy weather, cobwebs are often damaged, and at the same time, the air is humid and the viscosity of cobwebs is poor, so it is often difficult to catch bugs. So before the storm came, it fled to a safer place. When the wind stopped raining and the weather was about to clear up, they came out again to mend and open nets to catch insects.

Therefore, when you see the spider mending the net and opening the net, it indicates that the weather will change to a sunny side. ?

4. Farming proverb: Frog Munger, there is heavy rain.

phenological knowledge: frog's skin and organs are sensitive to weather changes. Every time before the stormy weather comes, they flock together and cry loudly. Especially before the thunderstorm weather comes in summer, frogs gather more and cry louder and denser. It has been proved by repeated observation that frogs gather in groups and bark loudly and closely, which always appears before the arrival of heavy rain, so it can be used to predict the weather. (Mongolian is Yi language, which means assembly)

5. Agricultural proverb: The moon holds a red umbrella, and it will rain heavily tomorrow.

phenological knowledge: the moon's "holding a red umbrella" refers to the night when there is no cloud or partly cloudy, and the moon wears an obvious red light wheel, which is called "the moon holding a red umbrella". This phenomenon shows that the atmosphere is unstable, the water vapor and dust increase significantly, and the particles are large, which is a favorable condition for heavy rain, so the moon "holds the red umbrella" is a sign of heavy rain.