Preparing soil for planting potatoes. Fertilize the soil with fertilizers and plant potatoes, onions and carrots. In February, they prepared the soil for sowing, namely, they plowed the land, then applied manure fertilizers to the ground. Potatoes, onions and carrots began to be planted in early March. Since the air temperature in March is +15 degrees during the day, the temperature at night steadily drops to +6, sometimes the temperature drops to -2. But since there are no frosts, then the potatoes are a stable crop. Potato is not whimsical