There are axillary buds on each node of the sorghum stem, especially at the base of the stem, and the internodes are short, and the distribution of axillary buds is very dense. Sorghum buds have a strong ability to reproduce germination. After harvesting or tasselling, the axillary buds in dormant state at the base or upper part of the stem can quickly germinate, grow new plants or branches, and grow and develop under appropriate conditions, with the ear ripening and harvesting for another season. That is to regenerate stilts. In many places in the south, long frost-free periods, high temperatures, and regenerative cultivation can all lead to greater increases in production. Rejuvenated sorghum has the characteristics of precocity, over collection, saving seeds, labor, and keeping seedlings. If there are more plant collapses in the early stage, diseases such as rotten head injury, etc., it should not be regenerated. In general, varieties with strong regeneration power, such as Jinza 5, Noza 7, Noza 52, Yuanza 10, Yuanza 12, etc., should be selected. It is planted in a fertile plot that is relatively easy to resist drought and soil. In southern China, spring sowing sorghum is harvested at the end of July and early August, so that the reproductive sorghum has a growing period of 95 to 100 days before it can be safely matured. Therefore, proper early sowing and early sowing is the key to ensure the maturity of reproduction and the high yield in the two seasons. Therefore, sowing before the middle or late March, the first season can be mature before the end of July. If sowing is delayed, the sorghum sorghum will tend to mature later and produce less after heading. In the first season, high-quality organic fertilizer should be applied as the base fertilizer, organic fertilizer and chemical fertilizer should be used as top dressing, heading and flowering, and the soil should be kept moist to prevent premature aging of roots and axillary buds. If the drought is late, it is necessary to irrigate the horse water before or after cutting the stalks or spread the cut stalks on the row. Be careful not to cover the steamed buns. After germination, the stalks will be removed from the fields. The head lice use the early days to cut the culms in the sunny season. The harvesting of the roots is too late and will cause root aging and dead. Especially when the drought is encountered, the harvest is too late. The lower leaves of the plants will fall yellow, the culms will lose water, and the regeneration ability will be reduced. Seedlings will also be cut down due to poor health and inconsistent maturity. Generally, when 80 percent of the plants reach maturity, they should be harvested immediately. With the harvest, the cut culms should be cut with the knife close to the ground to avoid tearing the stems. Leave the pile low, and leave stalks of 1 to 2 knots in the near soil to favor long shoots. After the emergence of the regenerated shoots, excess shoots were promptly removed, leaving 1 to 2 buds per plant. In the first five days before the first harvest, 40 kg of ammonium bicarbonate per acre was used to reapply budding fertilizer to promote sprouting. In some places, the method of cutting stalks and plowing ridges is used to expose the sculpins. The sorghum heads are exposed, and a sufficient amount of base fertilizer is applied under the sorghum heads, and the soil is lightly soiled and watered once during the drought. The sorghum seedlings are often damaged during the seedling stage. The main pests in the middle and late stages are corn borers, armyworms and aphids. During the mature period, they are also harmed by birds. They should be planted contiguously to prevent bird pests.
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