1. The most suitable time for planting potatoes in Shaanxi is autumn, and the sowing period is generally from late August to early September. Sowing can be done when the ground temperature is lower than 25℃.

2, autumn potato planting, to ensure that there is a growth period of more than 60 days from emergence to first frost. So sowing is suitable for morning or afternoon, and it can be done all day on cloudy days. In the case of high temperature and scorching sun, the pit should be deeper and covered with soil when sowing. Due to the high temperature and rainy in August, when water accumulates in the field, it is easy to cause potato rot, which affects seedling emergence and plant growth. Therefore, after the rain, the accumulated water should be removed in time and intertillage should be carried out to ensure the smooth emergence of seedlings.