Soybean is one of the important food crops in China, which has been cultivated for more than 5,000 years. In the northern areas of China, such as Northeast China and North China, due to the suitable climate and fertile land, the yield per mu of soybeans is relatively high, generally between 400 kg and 800 kg. In the south, such as the Yangtze River valley and South China, the yield per mu of soybean may be lower, generally between 200 kg and 500 kg, due to the warm and humid climate.

In addition, the yield per mu of soybean is also affected by planting methods. If scientific and reasonable planting methods are adopted, such as selecting excellent varieties suitable for local climate and land conditions, rational fertilization, timely sowing and pest control, the yield per mu of soybean can be effectively improved.

Matters needing attention in planting soybeans

1, the choice of soybean varieties has a great influence on soybean yield, but don't blindly follow the trend when choosing varieties, it is the first key to adapt to local conditions. In addition, when selecting seeds, we should choose excellent varieties with strong disease resistance.

2. Soybean should not be planted in continuous cropping plots, such as corn fields and sugar beet fields, and sandy loam or clay loam is the best. In addition, soil preparation is also one of the factors that affect soybean yield. Generally, mechanical soil preparation can be used in production to do a good job of flat turning, ridge planting and stubble raking.

3. The flowering and pod stage is the critical period of soybean water demand. In case of drought, it must be watered in time to ensure soil moisture. In the late growth stage, weeds should be removed in time, and the soybean field with weeds removed can increase production in large quantities.