The cause of soybean lodging, how to do soybean lodging?

In the process of soybean cultivation, lodging is often found, but there is more than one reason, there are a variety of reasons, the specific reasons are described in detail below. After soybean lodging, what should be done, there are no remedies, solutions. How to avoid the loss caused by lodging beans. So please continue to read below.

1. The cause of lodging

The common reason is that the extreme weather of strong wind and heavy rain directly leads to the lodging of soybeans. If it is a long period of wind and rain, there is simply no way to avoid natural disasters. But some are due to variety reasons, such as tall varieties, easy lodging, slender stems easy to lodge, short and sturdy varieties not easy to lodge. If the soil is too fat, the plants will grow and lodge easily. If the planting density is too high, the growth and nutrition of soybean is not enough, and the plant is easy to lodge.

2. Seed selection and cultivation

General soil, choose high plant varieties, fertile soil choose short and strong varieties, but generally choose short and strong varieties with strong resistance. Those with good adaptability, strong resistance and strong growth potential are all very good. According to the soil fertility and area, the planting quantity is determined by the soil fertility and area. There are more barren land and less fertile soil. Prevent lodging.

3. Fertilizer and water control

Less application of nitrogen fertilizer, soybean root nitrogen fixation, and then easy to excessive, prosperous growth is easy to lodge. It only needs to apply nitrogen fertilizer and urea at flowering stage. If the base fertilizer is applied with compound fertilizer, those who are topdressing at other times shall not apply nitrogen fertilizer, except for the flowering stage. Of course, if there are uniform yellow leaves, which are not affected by diseases and insect pests, high temperature or drought, they may be deficient in nutrients, then apply them appropriately. Apply more potash fertilizer, plant ash and strong stalks.

4. Growth regulation

In order to avoid plant growth, overgrowth and lodging, growth regulators such as dwarf and paclobutrazol can be sprayed in the early stage of plant growth. It can also be controlled by spraying at flowering stage. Do not spray at flowering stage without flourishing growth. Spraying the right concentration, the wrong concentration, may be counterproductive. Do not spray before the rain, but in the sunny evening after the rain.

The lodging of soybean is directly caused by the weather, and the indirect reason is that the stem is weak and long. It can be adjusted in some ways to prevent lodging.