Because before and after the long summer, the growing period of many crops is coming to an end and they begin to enter the harvest period. Harvest time has an important influence on crop yield and quality. Long summer is also an important node for farmers to carry out production and management. On this day, farmers need to strengthen the management of agricultural production and carry out operations such as fertilization, mowing and irrigation to ensure the normal growth and harvest of crops.
The weather around the long summer is also very important for agricultural production. The change of weather conditions may affect the growth and development of crops, thus affecting the yield and quality of crops. In the long summer, some crops are easily affected by various diseases and insect pests, so it is necessary to pay attention to timely prevention and control to ensure the safe growth of crops.
The reason why long summer is a key period for crop growth is that the temperature rises gradually, the sunshine time increases, the plants start photosynthesis, the growth speed increases, and the demand for nutrients increases, so we should pay attention to proper fertilization.
Introduction to Changxia:
Long summer is the seventh solar term among the 24 solar terms, and it is also the first solar term in summer. The longitude of the sun reaches 45. The almanac records that "the bucket refers to the southeast and the dimension is long in summer." Everything grows here, hence the name Long Summer. " After the long summer, the sunshine increased, gradually warming, and thunderstorms increased. Long summer is an important solar term, marking the peak season for the growth of all things. In the long summer, everything is thriving.
Chang Xia said that bidding farewell to spring is the beginning of summer, so it is also called "the end of spring". Born in spring, grown in summer, harvested in autumn and stored in winter. Because China has a vast territory and a large span from north to south, natural rhythms vary from place to place. In the long summer season, only the area south of Nanling in China presents the summer scene of "the trees grow dark in summer and the balcony reflects into the pond"; And parts of the northeast and northwest just have the breath of spring at this time.
Long summer is the beginning of summer, and the so-called "standing" is the beginning. Beginning of spring, Changxia, beginning of autumn and beginning of winter represent the beginning and arrival of spring, summer, autumn and winter respectively. In order to express the characteristics of time series more accurately, the ancients divided the solar terms into four groups according to the weather and phenology: divided, arrived, opened and closed.