What are the technical key points for tractor subsoiling operations?

Choosing the appropriate subsoiling depth is crucial. The depth should be determined comprehensively based on factors such as soil type, crop requirements, and geographical location. Generally speaking, a subsoiling depth of 20–40 cm is recommended, which not only ensures normal root growth of crops but also fully breaks up the soil structure, improving soil aeration and water retention. Selecting the right subsoiling tools is also essential. There is a wide variety of subsoiling tools available on the market, including blade shares, large shares, fermentation turnover machines, and others. Choosing suitable tools based on soil type and operational requirements helps enhance the subsoiling effect. For special soil textures, accessories such as hammers or serrated edges can be added to strengthen the breaking action and improve operational efficiency. Seizing the proper working time is key to ensuring the subsoiling effect. Autumn—after the crop growing season ends—is the optimal time for subsoiling operations. At this point, crops have already been harvested, and the soil moisture content is relatively high, which is favorable for subsoiling. In addition, during operations, soil that is overly wet or overly dry should be avoided to prevent compromising the results. Post-subsoiling soil management is equally important. Soil tends to clump after subsoiling, so appropriate soil conditioning and improvement measures are necessary, such as applying organic fertilizers, plowing, or covering with straw. These measures help maintain soil fertility and moisture, creating a favorable environment for the growth of the next season's crops.