Phenological terminology

The Significance of the Names of Twenty-four Solar Terms

Beginning of spring, Changsha, beginning of autumn and beginning of winter: "Li" means that it is about to start, indicating that spring, summer, autumn and winter are coming soon.

Solstice in summer and Solstice in winter: The ancient names of "Solstice North" and "Solstice South" indicate that summer and winter have arrived.

Vernal equinox: "vernal equinox" means equal division, that is to say, these two days are equal day and night, just between the summer solstice and the winter solstice.

Rain: When the rain begins, it increases.

Sting: It began to thunder, the temperature rose, and hibernating animals began to move.

Qingming: It's sunny and everything breeds.

Grain Rain: With the increase of rainfall, the grain grows sturdily.

Xiaoman: The seeds of summer crops such as wheat are full, but not yet mature.

Miscanthus: Wheat has mature awn crops, and late-maturing crops are in the rush period.

Slight summer heat: "Slight summer heat" means heat, which means it is the hottest season of the year.

Summer: "Out" means ending, which means that the summer is over and the temperature begins to drop.

White dew: When the temperature drops, dew appears.

Cold dew: It's cold, and the dew is very cold.

First frost: frost begins.

Light snow, heavy snow: it begins to snow, and snow forms when it snows heavily.

Slight cold and severe cold: the coldest season of the year.

Many agricultural proverbs handed down from ancient times contain rich phenological knowledge.

For example:

Smell cicadas in the rain and announce the arrival of sunny days.

Smell cicadas in early autumn and welcome Tian Yu in late autumn.

Sparrows hoard food and it will snow.

It's going to rain in the ant nest.

Fish dive and rain comes.

Swallows fly low, it's going to rain.

When the toad comes out of the hole, it never stops raining.

Turtle back tide, rain omen.

Earthworms climb the road, and it rains like hemp.

The loach is quiet and sunny.

Crocodile grass, the cold wave is coming.

Chickens stay late, ducks crow happily, and storms come quickly.

Noun interpretation

Phenology: mainly refers to the growth, development and activities of animals and plants and the response of abiotic changes to seasons and climate. For example, winter bud germination, leaf picking, flowering, fruiting and defoliation of plants; Animal dormancy, recovery, singing, mating, reproduction, molting and migration are closely related to seasons and climate. Abiotic phenomena, such as first frost, first snow and freezing and thawing, are also phenological phenomena.

Agricultural proverbs: proverbs about agricultural production experience. Agricultural proverbs are the summary of farmers' experience in long-term production and life practice. Generally, it is in the form of popular verse, which is easy to remember and plays a good role in the dissemination of production experience and agricultural meteorological knowledge. There are abundant agricultural proverbs all over China. For example, there is an agricultural proverb about sowing and harvesting in the Yellow River basin of North China: "Qingming is early, Xiaoman is late, and Grain Rain is planting cotton at that time." "Wheat is harvested in autumn in Manggu, and beans are harvested in cold dew."

Phenology: also known as "bioclimatology", is a science that studies the relationship between biological life activities and seasonal changes.