Field management measures for mid-late summer soybean

    During the flowering and pod-forming period, the growth of soybeans enters a vigorous period, and the growth of vegetative bodies gradually reaches a peak; it is the period when soybeans need the most fertilizer and water in their lifetime. Adequate fertilizer and water, strong light and sufficient carbon dioxide are conducive to promoting soybean flowering results. The yield of soybean depends on the number of pods of soybeans. Therefore, in the process of production management, soybean plants are required to have leafy roots, deep roots and strong stems, so as to achieve the purpose of multi-pod multi-cropping and high yield.

 

The drought in the flowering stage has a great influence on the number of pods of soybeans. It must be watered in time. The rainy days should also pay attention to the drainage. At the same time, the protection measures should be determined according to the growth of the plants. If the growth is too long, it can be used for deep cultivating or spraying. If the plant is weak, it should be combined with cultivating and watering for fertilization. It is best to apply compound fertilizer, 5 to 10 kg per mu . 7 to 8 parts of soybeans are vulnerable to pests. Bridge and worms are frequent and devastating pests. They are more harmful from late July to early August , and can be used to control bridgeworms and bean worms. Pyrethroid pesticides, black bean flies and bean worm flies are also two notable soybean pests, which can also be controlled by phoxim or pyrethroid pesticides.

　　

The main target of the grain maturity period is to preserve leaves, preserve roots, increase the number of pods, and the blast stage is especially sensitive to the water reaction at the initial stage. At this time, it gradually enters the dry season, so it is necessary to water the drought and some plots. For foliar application, spray 1% to 2% urea or 2% to 3% calcium superphosphate solution, after 3 pm.

　　

The pests in the maturity stage of the grain are mainly the heartworm and the cotton bollworm, which can be controlled by insecticides such as phoxim and enemy killing.