The deep-seed peanut farm in winter is more productive than conventional farming in spring. The main reasons are: 1. After deep plowing, the mature soil layer is thickened from 8 cm to 15 cm and turned to the upper raw soil. After a winter freeze-thaw curing, the nutrients are released, and the entire soil structure is loose, which is conducive to the lower roots and root system of the peanut roots. The distribution enhances the ability to absorb water and provide a good foundation for multiple results and fruit filling. 2. After the ploughing, the surface of the soil is uneven, which can fully absorb the rain and snow in winter and spring, and store foot soles. Under the condition of little drought in the early stage of peanut growth, the normal growth of the seedlings can be guaranteed. 3. Due to the deep and loose soil layer, the rapid infiltration of water after heavy rain, so that the upper moisture content decreased, reducing the rotten fruit. 4. Deep ploughing before the time of freezing can be used to turn the insects of the underground maggots and sleeping insects upside down. After blizzards are frozen, a considerable number of pests are killed, which can reduce the damage in the coming year. China Agricultural Network Editor