Key Management Techniques for Summer Soybean During the Flowering Stage
How should summer soybeans be managed during the flowering stage? Please provide guidance. Summer soybeans during the flowering stage can be managed by referring to the following methods: 1. Cultivation: In the late flowering stage of summer soybeans and when the plants enter the period of simultaneous vegetative and reproductive growth, temperatures are high, light is intense, and plants grow quickly, with the average plant height typically increasing by 2-... per day.
How should summer soybeans be managed during the flowering stage? Please provide guidance.
Summer soybeans during the flowering stage can be managed by referring to the following methods:
1. Cultivation: During the late flowering stage of summer soybeans and when they enter the period of simultaneous vegetative and reproductive growth, temperatures are high, light is intense, and plants grow quickly, with the average plant height generally increasing by 2-3 cm per day. In plots with high fertilizer and water levels, plants are highly prone to excessive growth, lodging, and reduced yield. Therefore, before summer soybeans close their rows at flowering, they should be cultivated once to keep the soil well aerated and permeable, which helps root development and increases lateral roots.
2. Watering: The flowering stage is a critical period for summer soybean water demand. Drought in the early flowering stage can cause plants to drop flowers. By the late flowering stage, the plants' vegetative growth reaches its peak, metabolism is vigorous, and water consumption is high. If soil moisture content decreases at this time, it can easily cause physiological water shortage in plants and lead to heavy flower and pod shedding.
3. Topdressing: In the early flowering stage, apply 5 kg of quick-acting nitrogen fertilizer ammonium nitrate, and also use 150-200 g of potassium dihydrogen phosphate per mu, mixed with 50 kg of water, and spray it on the leaves to promote flowering and pod setting and improve quality.
4. Spraying pesticides: During the flowering stage, summer soybeans have very weak resistance to adverse external conditions. If chemical pesticides are sprayed at this time, it can easily cause flower buds to drop and increase shriveled grains. If pests or diseases occur during the flowering stage of summer soybeans and pesticide control is necessary, it is best to do it after 4 p.m., and strictly control the dosage and concentration.
Click to get more soybean cultivation techniques
Click to get more grain and oil crop cultivation techniques