The heat cannot penetrate through the summer, and the heat comes after autumn. There is no heat in the great heat, and there is no harvest of grain. The sun disappears during the minor summer heat, but the rocks are exposed during the severe summer heat. There is no scorching heat in the summer, and there is plenty of grain but no fruit.

In the great heat, the sky is cloudy and gold is everywhere. It is a hot summer with heavy rain and frost in a hundred days. During severe heat and mild heat, mice drowned. The great summer brings out the autumn breeze, and the heat after autumn is crazy. Eat millet during the minor summer heat and grain during the major summer heat. I'm afraid of the east wind during minor summer heat, and I'm afraid of red clouds during severe summer heat.

“The crops will turn yellow day and night during the great heat.” For areas in China where double-cropping rice is planted, harvesting early rice at the right time can not only reduce the damage caused by wind and rain in the later period, ensure a bumper harvest, but also enable double-cropping rice to be planted at the right time. Insert and strive for sufficient growth period.

Arrangements should be made flexibly according to weather changes, with more cutting on sunny days and more planting on cloudy days. Planting should be completed in two nights before the end of July, and no later than the beginning of autumn at the latest.

In the hot summer, water evaporates very quickly, especially in the middle and lower reaches of the Yangtze River, which is in the drought period. The vigorously growing crops have more urgent requirements for water. It is true that "the rain in a small summer is like silver, and the rain in a big summer is like gold." .

Summer corn in the Huanghuai Plain has generally been jointed and booted, and is about to tassel, which is the most critical period for yield formation. The danger of "stuck neck drought" must be strictly guarded against.