What are the precautions for growing soybeans? A full breakdown of the latest key points
Soybeans are highly adaptable to the environment, very easy to grow, and have a high survival rate. When growing soybeans, we naturally want high yields and good quality, so we need to master the right growing techniques. So do you know what issues need attention when growing soybeans? Below, let's take a look together with the editor at the precautions for growing soybeans.
1. Timing
We still need to pay attention to the timing of soybean planting. In northern China, soybeans are generally sown from late April to mid-May each year; while in the south, soybeans are generally planted from late March to early April each year. But in some regions, several seasons of soybeans can be grown in one year, that is, planting can be done from January to May each year. However, this generally only applies to regions with a relatively mild climate year-round.
⟦NL>2. Density
Planting density has a great impact on the growth, yield, and quality of soybeans. Different planting sites have different levels of fertility and differences in terrain, and at the same time, the soybean varieties planted differ, so the planting density we need to determine will also change accordingly. In other words, planting density is not fixed. For soil with sufficient fertility, generally 15,000 to 20,000 plants per mu are planted; for soil with medium fertility, generally 20,000 to 30,000 plants per mu can be planted; and for poor soil, generally 30,000 to 40,000 plants per mu. In fact, this also means that the row spacing is generally 30 to 40 cm and the plant spacing is about 15 to 20 cm.
3. Chemical regulation
Many people may not understand what chemical regulation is. In fact, chemical regulation means using fertilization to regulate the growth of soybean plants. Soybeans like fertilizer, but during their growth process we still need to control the amount of fertilizer and use fertilizer types scientifically. In the early stage of soybean growth, we can appropriately use nitrogen fertilizer to promote plant growth, but by the middle and late stages, we need to supplement phosphorus and potassium fertilizer, and use as little nitrogen fertilizer as possible to avoid excessive vegetative growth and reduce soybean yield.
4. Cultivation
During the growth of soybeans, we also need to carry out cultivation scientifically, which is also very beneficial to soybean growth. The first cultivation is generally done when thinning and replanting soybeans for final establishment. During this cultivation, we need to clean up the weeds in the field. The second cultivation is after the plants have survived, loosening the soil for the soybeans, which can improve soil permeability and promote soybean growth. Later cultivations need to be carried out according to specific conditions, but note that cultivation must not be done during flowering and pod setting.
5. Water
Soybeans have strong drought resistance, so they can tolerate appropriate drought, but there must never be standing water in the field, or excessive humidity, as this has a great impact on soybeans. This also shows that we generally only need to water during drought or when the temperature is very high, but when there is a lot of rainfall, we must drain water in time.
6. Leaf removal
After soybeans flower and set pods, we should remove leaves appropriately, which can reduce nutrient consumption, allow nutrients to be supplied in a concentrated way, promote the growth of soybean pods, and improve soybean quality. At this stage, if there is a lack of nutrients, it is very easy for soybeans to become underfilled, causing serious yield reduction and quality decline. But we generally remove relatively dense leaves, or remove some of the leaves at the bottom.
When growing soybeans, we must pay attention to the above points, otherwise the soybeans grown will more or less be affected. For growers, a reduction in yield and quality directly affects their economic returns, so it is crucial.