When is the second season potato planted in Shandong?

It's an honor to be here to answer your questions. Potatoes, also known as potatoes, belong to the genus Panicum and their roots are edible. It is one of the important food crops. Potatoes contain a lot of starch vitamins, C vitamins A, anthocyanins, potassium and so on. , the nutritional value is particularly high, suitable for all ages.

When are the potatoes planted? In Shandong, Hebei and other Central Plains areas, the first season potato planting time is February-March (after the solar rain in 24 solar terms, before the earthquake), and the harvest time is June-July; Second-season potatoes can be planted in September (after the dew in the 24 solar terms and before the autumnal equinox) and harvested in June 5438+February, so these areas are called second-season planting areas in Central Plains and South China.

Potato planting requirements:

1, soil? Before planting potatoes, soil preparation and fertilization should be carried out, and sandy loam with rich soil, deep soil layer, loose texture, good air permeability and slight acidity should be selected. Before sowing, the soil should be deeply ploughed by 20 cm, and decomposed organic fertilizer and compound fertilizer can be applied at the same time, which can be applied scientifically and reasonably according to the soil conditions.

2. seed selection?

First of all, according to the local environment, climate, soil, market demand, market conditions, choose the appropriate fine varieties. In order to improve the germination, the germination can be accelerated. The potato seeds are dried under the scattered light of about 18 degrees, and then sown after the short buds are accelerated.

Plant ash and insecticide can be mixed before sowing, which can improve the survival rate and prevent diseases.

3. sow? When planting seeds, it is necessary to plant drugs reasonably and densely. After planting, we can spray a new high-fat film on the soil surface to prevent the soil from hardening. After the potatoes grow, we should weed, loosen the soil and cultivate the roots of the seedlings. At the same time, it is necessary to spray pesticides to control pests and diseases, and manage them on the principle of prevention first.

4. Water and fertilizer?

Potatoes need a lot of water and fertilizer from sowing to maturity, so we should keep the soil moist and have enough nutrition supply. Potato seedling stage should be applied with quick-acting fertilizer combined with watering.

But note that potatoes are also waterlogged, and drainage measures should be taken when there are many rainy seasons. The use of chemical fertilizer should not let the stems of potatoes come into contact with chemical fertilizer, so as not to burn the plants.

5. Prevention and treatment of diseases? In the process of potato growth, we must do a good job in the prevention and control of diseases, especially pay attention to dry rot. If mycosis occurs, we need to prevent it from getting worse. We can spray Anke manganese and zinc once a week, about 4-5 times.